diff --git a/code/engine/cameras/cameraIngame.js b/code/engine/cameras/cameraIngame.js index 1592ace..b28562c 100644 --- a/code/engine/cameras/cameraIngame.js +++ b/code/engine/cameras/cameraIngame.js @@ -42,7 +42,14 @@ window.cameraIngame = function(kart) { camNormal[2] += (kart.kartNormal[2]-camNormal[2])*0.075; vec3.normalize(camNormal, camNormal); - camAngle += dirDiff(kart.physicalDir+kart.driftOff/2, camAngle)*0.075; + if (kart.physBasis != null) { + var kartA = kart.physicalDir+kart.driftOff/2; + var forward = [Math.sin(kartA), 0, -Math.cos(kartA)]; + vec3.transformMat4(forward, forward, kart.physBasis.mat); + camAngle += dirDiff(Math.atan2(forward[0], -forward[2]), camAngle)*0.075; + } else { + camAngle += dirDiff(kart.physicalDir+kart.driftOff/2, camAngle)*0.075; + } camAngle = fixDir(camAngle); boostOff += (((kart.boostNorm+kart.boostMT > 0)?5:0) - boostOff)*0.075 @@ -52,14 +59,23 @@ window.cameraIngame = function(kart) { var dist = 192; this.targetShadowPos = vec3.add([], kart.pos, [Math.sin(kart.angle)*dist, 0, -Math.cos(kart.angle)*dist]) - thisObj.view = {p:p, mv:mat}; + thisObj.view = {p:p, mv:mat, pos: vec3.scale([], vec3.transformMat4([], [0,0,0], mat4.invert([], mat)), 1024)}; return thisObj.view; } function buildBasis() { //order y, x, z - var basis = gramShmidt(camNormal, [Math.cos(camAngle), 0, Math.sin(camAngle)], [Math.sin(camAngle), 0, -Math.cos(camAngle)]); + var kart = thisObj.kart; + var forward = [Math.sin(camAngle), 0, -Math.cos(camAngle)]; + var side = [Math.cos(camAngle), 0, Math.sin(camAngle)]; + /* + if (kart.physBasis != null) { + vec3.transformMat4(forward, forward, kart.physBasis.mat); + vec3.transformMat4(side, side, kart.physBasis.mat); + } + */ + var basis = gramShmidt(camNormal, side, forward); var temp = basis[0]; basis[0] = basis[1]; basis[1] = temp; //todo: cleanup diff --git a/code/engine/cameras/cameraIntro.js b/code/engine/cameras/cameraIntro.js index 7081423..0f1d8ee 100644 --- a/code/engine/cameras/cameraIntro.js +++ b/code/engine/cameras/cameraIntro.js @@ -102,7 +102,7 @@ window.cameraIntro = function() { thisObj.targetShadowPos = lookAtPos; - return {p:p, mv:mat} + return {p:p, mv:mat, pos: vec3.scale([], vec3.transformMat4([], [0,0,0], mat4.invert([], mat)), 1024)} } var initCam = function(scene, came) { diff --git a/code/engine/cameras/cameraSpectator.js b/code/engine/cameras/cameraSpectator.js index a89cf49..3808a4a 100644 --- a/code/engine/cameras/cameraSpectator.js +++ b/code/engine/cameras/cameraSpectator.js @@ -55,6 +55,7 @@ window.cameraSpectator = function(kart) { if (zoomLevel > curCam.zoomEnd) zoomLevel = curCam.zoomEnd; thisObj.view = camFunc[curCam.camType](scene, curCam); + thisObj.view.pos = vec3.scale([], vec3.transformMat4([], [0,0,0], mat4.invert([], thisObj.view.mv)), 1024) return thisObj.view; } diff --git a/code/engine/collisionTypes.js b/code/engine/collisionTypes.js index be9cd5e..e09a485 100644 --- a/code/engine/collisionTypes.js +++ b/code/engine/collisionTypes.js @@ -141,8 +141,10 @@ window.MKDS_COLTYPE = new (function(){ this.PHYS_MAP[this.LOOP] = 11; //collision sound handlers + //26 is blue water, 30 is white + //28 and 15 might be sand/dirt - var waterRoad = {drift: MKDS_COLSOUNDS.DRIFT_WATER, brake: MKDS_COLSOUNDS.BRAKE_WATER, land: MKDS_COLSOUNDS.LAND_WATER, drive: MKDS_COLSOUNDS.DRIVE_WATER}; + var waterRoad = {drift: MKDS_COLSOUNDS.DRIFT_WATER, brake: MKDS_COLSOUNDS.BRAKE_WATER, land: MKDS_COLSOUNDS.LAND_WATER, drive: MKDS_COLSOUNDS.DRIVE_WATER, particle: 30}; this.SOUNDMAP = { 0x00: //road @@ -164,7 +166,7 @@ window.MKDS_COLTYPE = new (function(){ {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_ASPHALT}, {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_ASPHALT}, {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_ASPHALT}, - {drift: MKDS_COLSOUNDS.DRIFT_WATER, brake: MKDS_COLSOUNDS.BRAKE_WATER, land: MKDS_COLSOUNDS.LAND_WATERDEEP, drive: MKDS_COLSOUNDS.DRIVE_WATER}, + {drift: MKDS_COLSOUNDS.DRIFT_WATER, brake: MKDS_COLSOUNDS.BRAKE_WATER, land: MKDS_COLSOUNDS.LAND_WATERDEEP, drive: MKDS_COLSOUNDS.DRIVE_WATER, particle: 30}, {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_ASPHALT}, {}, {}, @@ -187,27 +189,27 @@ window.MKDS_COLTYPE = new (function(){ 0x03: //road 4 [ - {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND , land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND}, - {drift: MKDS_COLSOUNDS.DRIFT_DIRT, brake: MKDS_COLSOUNDS.BRAKE_DIRT, land: MKDS_COLSOUNDS.LAND_DIRT, drive: MKDS_COLSOUNDS.DRIVE_DIRT}, + {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND , land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND, particle: 28}, + {drift: MKDS_COLSOUNDS.DRIFT_DIRT, brake: MKDS_COLSOUNDS.BRAKE_DIRT, land: MKDS_COLSOUNDS.LAND_DIRT, drive: MKDS_COLSOUNDS.DRIVE_DIRT, particle: 15}, - {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS}, + {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS, particle: 32}, - {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND}, - {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND}, - {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_SNOW}, //snow + {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND, particle: 28}, + {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND, particle: 28}, + {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_SNOW, particle:112}, //snow {}, {} ], 0x05: //road 5 [ - {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND , land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND}, - {drift: MKDS_COLSOUNDS.DRIFT_DIRT, brake: MKDS_COLSOUNDS.BRAKE_DIRT, land: MKDS_COLSOUNDS.LAND_DIRT, drive: MKDS_COLSOUNDS.DRIVE_DIRT}, + {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND , land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND, particle: 28}, + {drift: MKDS_COLSOUNDS.DRIFT_DIRT, brake: MKDS_COLSOUNDS.BRAKE_DIRT, land: MKDS_COLSOUNDS.LAND_DIRT, drive: MKDS_COLSOUNDS.DRIVE_DIRT, particle: 15}, - {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS}, + {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS, particle: 32}, - {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND}, - {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS}, + {drift: MKDS_COLSOUNDS.DRIFT_SAND, brake: MKDS_COLSOUNDS.BRAKE_SAND, land: MKDS_COLSOUNDS.LAND_SAND, drive: MKDS_COLSOUNDS.DRIVE_SAND, particle: 28}, + {drift: MKDS_COLSOUNDS.DRIFT_ASPHALT, brake: MKDS_COLSOUNDS.BRAKE, land: MKDS_COLSOUNDS.LAND_GRASS, drive: MKDS_COLSOUNDS.DRIVE_GRASS, particle: 32}, {}, {}, {} @@ -216,7 +218,7 @@ window.MKDS_COLTYPE = new (function(){ 0x06: //slippery [ {drift: MKDS_COLSOUNDS.DRIFT_ICE, brake: MKDS_COLSOUNDS.BRAKE_ICE, land:MKDS_COLSOUNDS.LAND_ICE}, - {drift: MKDS_COLSOUNDS.DRIFT_MARSH, brake: MKDS_COLSOUNDS.BRAKE_MARSH, land:MKDS_COLSOUNDS.LAND_MARSH, drive: MKDS_COLSOUNDS.DRIVE_MARSH}, + {drift: MKDS_COLSOUNDS.DRIFT_MARSH, brake: MKDS_COLSOUNDS.BRAKE_MARSH, land:MKDS_COLSOUNDS.LAND_MARSH, drive: MKDS_COLSOUNDS.DRIVE_MARSH, particle: 24}, {}, {}, {}, diff --git a/code/engine/controls/controlRaceCPU.js b/code/engine/controls/controlRaceCPU.js index e43741b..adc1156 100644 --- a/code/engine/controls/controlRaceCPU.js +++ b/code/engine/controls/controlRaceCPU.js @@ -19,6 +19,7 @@ window.controlRaceCPU = function(nkm) { } this.fetchInput = fetchInput; + this.setRouteID = setRouteID; var battleMode = (nkm.sections["EPAT"] == null); @@ -53,11 +54,30 @@ window.controlRaceCPU = function(nkm) { var dist = vec3.dot(destNorm, kart.pos) + destConst; if (dist < ePoi.pointSize) advancePoint(); + if (ePath.loop) debugger; destPoint = vec3.add([], ePoi.pos, vec3.scale([], vec3.lerp([], posOffset, destOff, offTrans), ePoi.pointSize)); var dirToPt = Math.atan2(destPoint[0]-kart.pos[0], kart.pos[2]-destPoint[2]); - var diff = dirDiff(dirToPt, kart.physicalDir); + var physDir = kart.physicalDir; + if (kart.physBasis) { + if (kart.physBasis.loop) { + return { + accel: true, //x + decel: false, //z + drift: false, //s + item: false, //a + + //-1 to 1, intensity. + turn: 0, + airTurn: 0 //air excitebike turn, doesn't really have much function + }; + } + var forward = [Math.sin(physDir), 0, -Math.cos(physDir)]; + vec3.transformMat4(forward, forward, kart.physBasis.mat); + var physDir = Math.atan2(forward[0], -forward[2]); + } + var diff = dirDiff(dirToPt, physDir); var turn = Math.min(Math.max(-1, (diff*3)), 1); offTrans += 1/240; @@ -94,6 +114,11 @@ window.controlRaceCPU = function(nkm) { } + function setRouteID(routeID) { + ePoiInd = routeID-1 + advancePoint(); + } + function advancePoint() { if (++ePoiInd < ePath.startInd+ePath.pathLen) { //next within this path @@ -102,10 +127,14 @@ window.controlRaceCPU = function(nkm) { //advance to one of next possible paths if (battleMode) { - var pathInd = ((Math.random()>0.5 && ePath.source.length>0)?ePath.source:ePath.dest)[Math.floor(Math.random()*ePath.dest.length)]; + var loc = (Math.random()>0.5 && ePath.source.length>0)?ePath.source:ePath.dest; + var pathInd = loc[Math.floor(Math.random()*loc.length)]; ePoiInd = pathInd; - ePoi = points[ePoiInd]; - recomputePath(); + var pt = points[ePoiInd]; + if (pt != null) { + ePoi = pt; + recomputePath(); + } } else { var pathInd = ePath.dest[Math.floor(Math.random()*ePath.dest.length)]; ePath = paths[pathInd]; diff --git a/code/engine/ingameRes.js b/code/engine/ingameRes.js index d5edb0a..05de045 100644 --- a/code/engine/ingameRes.js +++ b/code/engine/ingameRes.js @@ -18,6 +18,7 @@ window.IngameRes = function(rom) { this.Race = new narc(lz77.decompress(rom.getFile("/data/Scene/Race.carc"))); //contains lakitu, count, various graphics this.RaceLoc = new narc(lz77.decompress(rom.getFile("/data/Scene/Race_us.carc"))); //contains lakitu lap signs, START, YOU WIN etc. some of these will be replaced by hi res graphics by default. + this.RaceEffect = new spa(r.MainEffect.getFile("RaceEffect.spa")); this.MainFont = new nftr(r.Main2D.getFile("marioFont.NFTR")); //debugger; @@ -30,20 +31,25 @@ window.IngameRes = function(rom) { "koura_w" /*blue shell item rep*/, "f_box", "killer" /*bullet bill*/ ] + //order + //donkey, toad, bowser?, luigi, mario, peach, wario, yoshi, daisy, waluigi, dry bones (karon), robo, heyho + var toSoundOff = [ + 4, 0, 1, 2, 5, 6, 7, 3, 10, 8, 9, 11, 12 + ]; + var charNames = [ "mario", "donkey", "kinopio", "koopa", "peach", "wario", "yoshi", "luigi", "karon", "daisy", "waluigi", "robo", "heyho" - ] + ]; var charAbbrv = [ "MR", "DK", "KO", "KP", "PC", "WR", "YS", "LG", "KA", "DS", "WL", "RB", "HH" - ] + ]; var tireName = ["kart_tire_L", "kart_tire_M", "kart_tire_S"]; var characters = []; var karts = []; - var test = new spa(r.MainEffect.getFile("RaceEffect.spa")); loadItems(); loadTires(); @@ -75,6 +81,7 @@ window.IngameRes = function(rom) { loseA: new nsbca(r.KartModelSub.getFile(base+"_lose.nsbca")), spinA: new nsbca(r.KartModelSub.getFile(base+"_spin.nsbca")), winA: new nsbca(r.KartModelSub.getFile(base+"_win.nsbca")), + sndOff: toSoundOff[ind]*14, } characters[ind] = obj; return characters[ind]; diff --git a/code/engine/scenes/courseScene.js b/code/engine/scenes/courseScene.js index 39353e8..19b8356 100644 --- a/code/engine/scenes/courseScene.js +++ b/code/engine/scenes/courseScene.js @@ -165,6 +165,11 @@ window.courseScene = function(mainNarc, texNarc, music, chars, options, gameRes) vec3.scale(targ, targ, 1/1024); mat4.mul(scn.shadMat, mat4.ortho(mat4.create(), targ[0]-shadres, targ[0]+shadres, targ[1]-shadres, targ[1]+shadres, -targ[2]-2.5, -targ[2]+2.5), scn.lightMat); + var places = []; + for (var i=0; i winPercent) continue; finishTuple = finishPercents[i]; + if (finishPercents[i][0] >= winPercent) break; } kart.controller = new controlRaceCPU(scn.nkm, {}); kart.controller.setKart(kart); - kart.anim.setAnim(winPercent>0.5?kart.charRes.LoseA:kart.charRes.winA); + kart.anim.setAnim(winPercent>0.5?kart.charRes.loseA:kart.charRes.winA); kart.animMode = "raceEnd"; scn.camera = (new cameraSpectator(kart, scn)); nitroAudio.playSound(finishTuple[1], {volume:2}, 0); nitroAudio.playSound(finishTuple[2], {volume:2}, null); nitroAudio.instaKill(scn.musicPlayer); + kart.playCharacterSound(finishTuple[4], 2); musicRestartTimer = 0; musicRestart = 7.5*60; musicRestartType = 1; diff --git a/code/entities/decorations.js b/code/entities/decorations.js index d4706f8..7de250a 100644 --- a/code/entities/decorations.js +++ b/code/entities/decorations.js @@ -179,7 +179,7 @@ window.ObjDecor = function(obji, scene) { forceBill = false; return {mdl:[{nsbmd:"choropu.nsbmd"}], other:[null, null, "choropu.nsbtp"]}; //has nsbtp case 0x019B: //cheep cheep (bouncing) - return {mdl:[{nsbmd:"pukupuku.nsbmd"}], other:[null, null, "pukupuku.nsbtp"]}; //has nsbtp + return {mdl:[{nsbmd:"pukupuku.nsbmd"}]}; //has nsbtp //, other:[null, null, "pukupuku.nsbtp"] case 0x019D: //snowman return {mdl:[{nsbmd:"sman_top.nsbmd"}, {nsbmd:"sman_bottom.nsbmd"}]}; case 0x019E: //trunk with bats diff --git a/code/entities/itembox.js b/code/entities/itembox.js index fc64640..a85c5bd 100644 --- a/code/entities/itembox.js +++ b/code/entities/itembox.js @@ -45,6 +45,7 @@ window.ItemBox = function(obji, scene) { for (var j=0; j<10; j++) { scene.particles.push(new ItemShard(scene, ok, res.mdl[2])); } + scene.particles.push(new NitroEmitter(scene, ok, 47)); t.mode = 1; t.time = 0; break; diff --git a/code/entities/kart.js b/code/entities/kart.js index 495d853..180048b 100644 --- a/code/entities/kart.js +++ b/code/entities/kart.js @@ -21,6 +21,7 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { var params = scene.gameRes.kartPhys.karts[kartN]; var offsets = scene.gameRes.kartOff.karts[kartN]; + this.wheelClass = (offsets.name[10] == "L")?2:((offsets.name[10] == "M")?1:0); this.local = controller.local; this.active = true; @@ -66,12 +67,20 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { this.drawWheels = drawWheels; this.drawChar = drawChar; + this.getPosition = getPosition; + this.playCharacterSound = playCharacterSound; + this.trackAttach = null; //a normal for the kart to attach to (loop) this.boostMT = 0; this.boostNorm = 0; this.kartColVel = vec3.create(); this.kartColTimer = 0; + this.kartWallTimer = 0; + this.charSoundTimer = 0; + + this.placement = 0; + this.lastPlacement = 0; var charRes = scene.gameRes.getChar(charN); var kartRes = scene.gameRes.getKart(kartN); @@ -95,14 +104,24 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { this.lastInput = null; //race statistics - this.lapNumber = 0; + this.lapNumber = 1; this.passedKTP2 = false; this.checkPointNumber = 0; + this.OOB = 0; + + this.wheelParticles = [ + new NitroEmitter(scene, k, -1, [1, 1.5, -1]), + new NitroEmitter(scene, k, -1, [-1, 1.5, -1]) + ]; + + scene.particles.push(this.wheelParticles[0]); + scene.particles.push(this.wheelParticles[1]); + var nkm = scene.nkm; var startLine = nkm.sections["KTPS"].entries[0]; var passLine = nkm.sections["KTP2"].entries[0]; var checkpoints = nkm.sections["CPOI"].entries; - var respawns = nkm.sections["CPOI"].entries; + var respawns = nkm.sections["KTPJ"].entries; var futureChecks = [1]; var hitGroundAnim = [ //length 13, on y axis @@ -193,6 +212,10 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { mat4.scale(wmat, wmat, [scale, scale, scale]); if (i<2) mat4.rotateY(wmat, wmat, ((k.driveAnimF-14)/14)*Math.PI/6); mat4.rotateX(wmat, wmat, wheelTurn); + + if (i>1) { + k.wheelParticles[i-2].offset = vec3.scale(k.wheelParticles[i-2].offset, vec3.add(k.wheelParticles[i-2].offset, offsets.wheels[i], [k.wheelClass*(i-2.5)*-2, (-params.colRadius)-k.wheelClass*2, 0]), 1/16); + } } var scale = 16; @@ -262,7 +285,20 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { drawChar(view, pMatrix); } + + k.lWheelParticle = null; + function update(scene) { + if (k.placement != k.lastPlacement) { + if (k.placement < k.lastPlacement) { + if (k.charSoundTimer == 0) { + playCharacterSound(5); + k.charSoundTimer = 60; + } + } + k.lastPlacement = k.placement; + } + var lastPos = vec3.clone(k.pos); updateMat = true; @@ -314,7 +350,8 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { sounds.boost = null; } - if (onGround && k.speed > 0.5) { + var isMoving = onGround && k.speed > 0.5; + if (isMoving) { if (lastCollided != sounds.lastTerrain || lastBE != sounds.lastBE || sounds.drive == null) { if (sounds.drive != null) nitroAudio.kill(sounds.drive); if (lastColSounds.drive != null) { @@ -337,7 +374,10 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { } else { if (sounds.drift != null) { nitroAudio.kill(sounds.drift); sounds.drift = null; } if (sounds.drive != null) { nitroAudio.kill(sounds.drive); sounds.drive = null; } + } + k.wheelParticles[0].pause = !isMoving; + k.wheelParticles[1].pause = !isMoving; //end sound update @@ -346,25 +386,55 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { } else if (k.cannon != null) { //when cannon is active, we fly forward at max move speed until we get to the cannon point. var c = scene.nkm.sections["KTPC"].entries[k.cannon]; - var mat = mat4.create(); - mat4.rotateY(mat, mat, c.angle[1]*(Math.PI/180)); - mat4.rotateX(mat, mat, c.angle[0]*(-Math.PI/180)); + if (c.id2 != 0) { + var c2 = scene.nkm.sections["KTPC"].entries[c.id2]; + c = c2; - var forward = [0, 0, 1]; - var up = [0, 1, 0]; + var mat = mat4.create(); + mat4.rotateY(mat, mat, c.angle[1]*(Math.PI/180)); + mat4.rotateX(mat, mat, c.angle[0]*(-Math.PI/180)); - k.vel = vec3.scale([], vec3.transformMat4(forward, forward, mat), MAXSPEED); - k.speed = MAXSPEED; - vec3.add(k.pos, k.pos, k.vel); - k.physicalDir = (180-c.angle[1])*(Math.PI/180); - k.angle = k.physicalDir; - k.kartTargetNormal = vec3.transformMat4(up, up, mat); + k.pos = vec3.clone(c2.pos); + vec3.add(k.pos, k.pos, vec3.transformMat4([], [0,16,16], mat)); - var planeConst = -vec3.dot(c.pos, forward); - var cannonDist = vec3.dot(k.pos, forward) + planeConst; - if (cannonDist > 0) k.cannon = null; + k.physicalDir = (180-c2.angle[1])*(Math.PI/180); + k.angle = k.physicalDir; + k.cannon = null; + } else { + + var mat = mat4.create(); + mat4.rotateY(mat, mat, c.angle[1]*(Math.PI/180)); + mat4.rotateX(mat, mat, c.angle[0]*(-Math.PI/180)); + + var forward = [0, 0, 1]; + var up = [0, 1, 0]; + + k.vel = vec3.scale([], vec3.transformMat4(forward, forward, mat), MAXSPEED); + k.speed = Math.min(k.speed+1, MAXSPEED); + vec3.add(k.pos, k.pos, k.vel); + k.physicalDir = (180-c.angle[1])*(Math.PI/180); + k.angle = k.physicalDir; + k.kartTargetNormal = vec3.transformMat4(up, up, mat); + + var planeConst = -vec3.dot(c.pos, forward); + var cannonDist = vec3.dot(k.pos, forward) + planeConst; + if (cannonDist > 0) k.cannon = null; + } } else { //default kart mode + if (k.OOB > 0) { + playCharacterSound(0); + var current = checkpoints[k.checkPointNumber]; + var respawn = respawns[current.respawn]; + k.physicalDir = (180-respawn.angle[1])*(Math.PI/180); + k.angle = k.physicalDir; + k.speed = 0; + k.vel = vec3.create(); + k.pos = vec3.clone(respawn.pos); + vec3.add(k.pos, k.pos, [0,16,0]); + if (k.controller.setRouteID != null) k.controller.setRouteID(respawn.id1); + k.OOB = 0; + } var groundEffect = 0; if (lastCollided != -1) { groundEffect = MKDS_COLTYPE.PHYS_MAP[lastCollided]; @@ -402,6 +472,7 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { if ((onGround) && !(input.accel && input.drift && (k.speed > 2 || !k.driftLanded))) { //end drift, execute miniturbo k.drifting = false; + clearWheelParticles(); if (sounds.powerslide != null) { nitroAudio.instaKill(sounds.powerslide); sounds.powerslide = null; @@ -434,11 +505,15 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { if (onGround) { if (!k.driftLanded) { - if (k.driftMode == 0) k.drifting = false; + if (k.driftMode == 0) { + k.drifting = false; + clearWheelParticles(); + } else { k.driftPSMode = 0; k.driftPSTick = 0; k.driftLanded = true; + if (k.drifting) setWheelParticles(20, 1); //20 = smoke, 1 = drift priority } } if (k.drifting) { @@ -467,7 +542,8 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { k.driftPSMode++; k.driftPSTick = 1; - //play blue spark sound + //play blue spark sound, flare + setWheelParticles(126, 2); //126 = blue flare, 2 = flare priority var blue = nitroAudio.playSound(210, {}, 0, k); blue.gainN.gain.value = 2; @@ -487,6 +563,8 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { k.driftPSMode++; k.driftPSTick = 1; //play red sparks sound, full MT! + setWheelParticles(22, 2); //22 = red flare, 2 = flare priority + setWheelParticles(17, 1); //17 = red mt, 1 = drift priority sounds.powerslide = nitroAudio.playSound(209, {}, 0, k); sounds.powerslide.gainN.gain.value = 2; } else k.driftPSTick = 0; @@ -562,6 +640,7 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { if (!onGround) { this.kartTargetNormal = [0, 1, 0]; + if (k.physBasis != null) vec3.transformMat4(this.kartTargetNormal,this.kartTargetNormal,k.physBasis.mat); vec3.add(k.vel, k.vel, k.gravity) if (k.ylock >= 0) { ylvel += k.gravity[1]; @@ -584,6 +663,8 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { } if (k.kartColTimer > 0) k.kartColTimer--; + if (k.kartWallTimer > 0) k.kartWallTimer--; + if (k.charSoundTimer > 0) k.charSoundTimer--; wheelTurn += k.speed/16; wheelTurn = fixDir(wheelTurn); @@ -602,7 +683,15 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { var steps = 0; var remainingT = 1; - var velSeg = vec3.clone(k.vel); + var baseVel = k.vel; + if (k.physBasis != null) { + if (k.physBasis.time-- < 0) exitBasis(); + else { + baseVel = vec3.transformMat4([], baseVel, k.physBasis.mat); + k.vel[1] = -1; + } + } + var velSeg = vec3.clone(baseVel); var posSeg = vec3.clone(k.pos); var ignoreList = []; while (steps++ < 10 && remainingT > 0.01) { @@ -611,7 +700,10 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { colResponse(posSeg, velSeg, result, ignoreList) remainingT -= result.t; if (remainingT > 0.01) { - velSeg = vec3.scale(vec3.create(), k.vel, remainingT); + if (k.physBasis != null) { + baseVel = vec3.transformMat4([], k.vel, k.physBasis.mat); + } + velSeg = vec3.scale(vec3.create(), baseVel, remainingT); } } else { vec3.add(posSeg, posSeg, velSeg); @@ -642,6 +734,43 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { positionChanged(lastPos, k.pos); } + function playCharacterSound(sound, volume) { + //0 - hit + //1 - hit spin + //2 - hit ?? hit grnd + //3 - hit banana? race start? + //4 - hit spin? + //5 - good pass? + //6 - good OK! + //7 - use item + //8 - hit someone? + //9 = win + //10 = alright + //11 = bad + //12 = good record + //13 = bad record + if (volume == null) volume = 1; + nitroAudio.playSound(sound + charRes.sndOff, {volume: 2*volume}, 2, k); + } + + function clearWheelParticles(prio) { + for (var i=0; i<2; i++) { + if (prio == null) { + //clear all specials + k.wheelParticles[i].clearEmitter(1); //drift mode + //k.wheelParticles[i].clearEmitter(2); //drift flare (blue mt, red big flash) + } else { + k.wheelParticles[i].clearEmitter(0); + } + } + } + + function setWheelParticles(id, prio) { + for (var i=0; i<2; i++) { + k.wheelParticles[i].setEmitter(id, prio); + } + } + function genFutureChecks() { //all future points that var chosen = {} @@ -661,6 +790,7 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { function positionChanged(oldPos, pos) { //crossed into new checkpoint? + if (checkpoints.length == 0) return; for (var i=0; i>8)&31; var colBE = (plane.CollisionType>>5)&7; + var change = (colType != lastCollided); lastCollided = colType; lastBE = colBE; lastColSounds = colSound(lastCollided, colBE); var n = vec3.normalize([], dat.normal); + var an = n; + if (k.physBasis != null) { + an = vec3.transformMat4([], n, k.physBasis.inv); + } var gravS = Math.sqrt(vec3.dot(k.gravity, k.gravity)); var angle = Math.acos(vec3.dot(vec3.scale(vec3.create(), k.gravity, -1/gravS), n)); var adjustPos = true; + if (colType == MKDS_COLTYPE.OOB || colType == MKDS_COLTYPE.FALL) { + k.OOB = 1; + } + if (MKDS_COLTYPE.GROUP_WALL.indexOf(colType) != -1) { //wall //sliding plane, except normal is transformed to be entirely on the xz plane (cannot ride on top of wall, treated as vertical) - var xz = Math.sqrt(n[0]*n[0]+n[2]*n[2]) - var adjN = [n[0]/xz, 0, n[2]/xz] + var xz = Math.sqrt(an[0]*an[0]+an[2]*an[2]) + var adjN = [an[0]/xz, 0, an[2]/xz] var proj = vec3.dot(k.vel, adjN); if (proj < -1) { - if (lastColSounds.hit != null) nitroAudio.playSound(lastColSounds.hit, {volume:1}, 0, k) + if (k.kartWallTimer == 0) { + if (lastColSounds.hit != null) nitroAudio.playSound(lastColSounds.hit, {volume:1}, 0, k) + var colObj = {pos:pos, vel:[0,0,0], mat: mat4.fromTranslation([], pos)}; + scene.particles.push(new NitroEmitter(scene, colObj, 13)); + scene.particles.push(new NitroEmitter(scene, colObj, 14)); + } + k.kartWallTimer = 15; } - vec3.sub(k.vel, k.vel, vec3.scale(vec3.create(), adjN, proj)); + vec3.sub(k.vel, k.vel, vec3.scale(vec3.create(), adjN, proj)); + //convert back to angle + speed to keep change to kart vel @@ -846,13 +1063,31 @@ window.Kart = function(pos, angle, speed, kartN, charN, controller, scene) { k.boostNorm = BOOSTTIME; } + var stick = (colType == MKDS_COLTYPE.STICKY || colType == MKDS_COLTYPE.LOOP); + if (k.vel[1] > 0) k.vel[1] = 0; - var proj = vec3.dot(k.vel, n); - if (proj < -4 && k.vel[1] < -2) { proj -= 1.5; } - vec3.sub(k.vel, k.vel, vec3.scale(vec3.create(), n, proj)); + var proj = vec3.dot(k.vel, an); + if (!stick && proj < -4 && k.vel[1] < -2) { proj -= 1.5; } + vec3.sub(k.vel, k.vel, vec3.scale(vec3.create(), an, proj)); + + if (stick) { + enterBasis(dat.pNormal); + k.physBasis.loop = colType == MKDS_COLTYPE.LOOP; + } else { + if (k.physBasis != null) + exitBasis(); + } + k.kartTargetNormal = dat.pNormal; - if (!onGround) { - console.log("ground: "+colType+", "+colBE); + + if (change) { + var particle = colParticle(lastCollided, colBE); + if (particle == null) + clearWheelParticles(0); + else + setWheelParticles(particle, 0); + } + if (!onGround && !stick) { groundAnim = 0; if (lastColSounds.land != null) nitroAudio.playSound(lastColSounds.land, {volume:1}, 0, k) } diff --git a/code/formats/spa.js b/code/formats/spa.js index d091d31..c1a6dee 100644 --- a/code/formats/spa.js +++ b/code/formats/spa.js @@ -9,6 +9,7 @@ window.spa = function(input) { var t = this; this.load = load; + this.getTexture = getTexture; var colourBuffer; @@ -36,42 +37,108 @@ window.spa = function(input) { offset += 24; if (version == "12_1") { - this.particles = []; - for (let i=0; i>3)&1, //weirdly different format + pal0trans: true,//z(flags>>3)&1, //weirdly different format format: ((flags)&7), height: 8 << ((flags>>8)&0xF), width: 8 << ((flags>>4)&0xF), diff --git a/code/glmatrix/gl-matrix-min.js b/code/glmatrix/gl-matrix-min.js index 973d11c..1c56d6c 100644 --- a/code/glmatrix/gl-matrix-min.js +++ b/code/glmatrix/gl-matrix-min.js @@ -2,27 +2,27 @@ * @fileoverview gl-matrix - High performance matrix and vector operations * @author Brandon Jones * @author Colin MacKenzie IV - * @version 2.2.1 + * @version 2.4.0 */ -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: +/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -(function(e){"use strict";var t={};typeof exports=="undefined"?typeof define=="function"&&typeof define.amd=="object"&&define.amd?(t.exports={},define(function(){return t.exports})):t.exports=typeof window!="undefined"?window:e:t.exports=exports,function(e){if(!t)var t=1e-6;if(!n)var n=typeof Float32Array!="undefined"?Float32Array:Array;if(!r)var r=Math.random;var i={};i.setMatrixArrayType=function(e){n=e},typeof e!="undefined"&&(e.glMatrix=i);var 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e!="undefined"&&(e.quat=p)}(t.exports)})(this); +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. */ + +!function(t,n){if("object"==typeof exports&&"object"==typeof module)module.exports=n();else if("function"==typeof define&&define.amd)define([],n);else{var r=n();for(var a in r)("object"==typeof exports?exports:t)[a]=r[a]}}(this,function(){return function(t){function n(a){if(r[a])return r[a].exports;var e=r[a]={i:a,l:!1,exports:{}};return t[a].call(e.exports,e,e.exports,n),e.l=!0,e.exports}var r={};return n.m=t,n.c=r,n.d=function(t,r,a){n.o(t,r)||Object.defineProperty(t,r,{configurable:!1,enumerable:!0,get:a})},n.n=function(t){var r=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(r,"a",r),r},n.o=function(t,n){return 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t)Object.prototype.hasOwnProperty.call(t,r)&&(n[r]=t[r]);return n.default=t,n}(D);n.len=O,n.sub=c,n.mul=f,n.div=M,n.dist=P,n.sqrDist=E,n.sqrLen=x,n.forEach=function(){var t=a();return function(n,r,a,e,u,o){var i=void 0,s=void 0;for(r||(r=2),a||(a=0),s=e?Math.min(e*r+a,n.length):n.length,i=a;i 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - } - return out; -}; + * @param {mat3} out the receiving matrix + * @param {mat3} a the matrix to rotate + * @param {vec2} v the vec2 to scale the matrix by + * @returns {mat3} out + **/ +function scale(out, a, v) { + var x = v[0], + y = v[1]; + + out[0] = x * a[0]; + out[1] = x * a[1]; + out[2] = x * a[2]; + + out[3] = y * a[3]; + out[4] = y * a[4]; + out[5] = y * a[5]; + + out[6] = a[6]; + out[7] = a[7]; + out[8] = a[8]; + return out; +} /** - * Calculates the dot product of two vec2's + * Creates a matrix from a vector translation + * This is equivalent to (but much faster than): * - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {Number} dot product of a and b + * mat3.identity(dest); + * mat3.translate(dest, dest, vec); + * + * @param {mat3} out mat3 receiving operation result + * @param {vec2} v Translation vector + * @returns {mat3} out */ -vec2.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1]; -}; +function fromTranslation(out, v) { + out[0] = 1; + out[1] = 0; + out[2] = 0; + out[3] = 0; + out[4] = 1; + out[5] = 0; + out[6] = v[0]; + out[7] = v[1]; + out[8] = 1; + return out; +} /** - * Computes the cross product of two vec2's - * Note that the cross product must by definition produce a 3D vector + * Creates a matrix from a given angle + * This is equivalent to (but much faster than): * - * @param {vec3} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {vec3} out + * mat3.identity(dest); + * mat3.rotate(dest, dest, rad); + * + * @param {mat3} out mat3 receiving operation result + * @param {Number} rad the angle to rotate the matrix by + * @returns {mat3} out */ -vec2.cross = function(out, a, b) { - var z = a[0] * b[1] - a[1] * b[0]; - out[0] = out[1] = 0; - out[2] = z; - return out; -}; +function fromRotation(out, rad) { + var s = Math.sin(rad), + c = Math.cos(rad); + + out[0] = c; + out[1] = s; + out[2] = 0; + + out[3] = -s; + out[4] = c; + out[5] = 0; + + out[6] = 0; + out[7] = 0; + out[8] = 1; + return out; +} /** - * Performs a linear interpolation between two vec2's + * Creates a matrix from a vector scaling + * This is equivalent to (but much faster than): * - * @param {vec2} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec2} out + * mat3.identity(dest); + * mat3.scale(dest, dest, vec); + * + * @param {mat3} out mat3 receiving operation result + * @param {vec2} v Scaling vector + * @returns {mat3} out */ -vec2.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - return out; -}; +function fromScaling(out, v) { + out[0] = v[0]; + out[1] = 0; + out[2] = 0; + + out[3] = 0; + out[4] = v[1]; + out[5] = 0; + + out[6] = 0; + out[7] = 0; + out[8] = 1; + return out; +} /** - * Generates a random vector with the given scale + * Copies the values from a mat2d into a mat3 * - * @param {vec2} out the receiving vector - * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned - * @returns {vec2} out - */ -vec2.random = function (out, scale) { - scale = scale || 1.0; - var r = GLMAT_RANDOM() * 2.0 * Math.PI; - out[0] = Math.cos(r) * scale; - out[1] = Math.sin(r) * scale; - return out; -}; + * @param {mat3} out the receiving matrix + * @param {mat2d} a the matrix to copy + * @returns {mat3} out + **/ +function fromMat2d(out, a) { + out[0] = a[0]; + out[1] = a[1]; + out[2] = 0; + + out[3] = a[2]; + out[4] = a[3]; + out[5] = 0; + + out[6] = a[4]; + out[7] = a[5]; + out[8] = 1; + return out; +} /** - * Transforms the vec2 with a mat2 - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y; - out[1] = m[1] * x + m[3] * y; - return out; -}; +* Calculates a 3x3 matrix from the given quaternion +* +* @param {mat3} out mat3 receiving operation result +* @param {quat} q Quaternion to create matrix from +* +* @returns {mat3} out +*/ +function fromQuat(out, q) { + var x = q[0], + y = q[1], + z = q[2], + w = q[3]; + var x2 = x + x; + var y2 = y + y; + var z2 = z + z; + + var xx = x * x2; + var yx = y * x2; + var yy = y * y2; + var zx = z * x2; + var zy = z * y2; + var zz = z * z2; + var wx = w * x2; + var wy = w * y2; + var wz = w * z2; + + out[0] = 1 - yy - zz; + out[3] = yx - wz; + out[6] = zx + wy; + + out[1] = yx + wz; + out[4] = 1 - xx - zz; + out[7] = zy - wx; + + out[2] = zx - wy; + out[5] = zy + wx; + out[8] = 1 - xx - yy; + + return out; +} /** - * Transforms the vec2 with a mat2d - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2d} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2d = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y + m[4]; - out[1] = m[1] * x + m[3] * y + m[5]; - return out; -}; +* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix +* +* @param {mat3} out mat3 receiving operation result +* @param {mat4} a Mat4 to derive the normal matrix from +* +* @returns {mat3} out +*/ +function normalFromMat4(out, a) { + var a00 = a[0], + a01 = a[1], + a02 = a[2], + a03 = a[3]; + var a10 = a[4], + a11 = a[5], + a12 = a[6], + a13 = a[7]; + var a20 = a[8], + a21 = a[9], + a22 = a[10], + a23 = a[11]; + var a30 = a[12], + a31 = a[13], + a32 = a[14], + a33 = a[15]; + + var b00 = a00 * a11 - a01 * a10; + var b01 = a00 * a12 - a02 * a10; + var b02 = a00 * a13 - a03 * a10; + var b03 = a01 * a12 - a02 * a11; + var b04 = a01 * a13 - a03 * a11; + var b05 = a02 * a13 - a03 * a12; + var b06 = a20 * a31 - a21 * a30; + var b07 = a20 * a32 - a22 * a30; + var b08 = a20 * a33 - a23 * a30; + var b09 = a21 * a32 - a22 * a31; + var b10 = a21 * a33 - a23 * a31; + var b11 = a22 * a33 - a23 * a32; + + // Calculate the determinant + var det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; + + if (!det) { + return null; + } + det = 1.0 / det; + + out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det; + out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det; + out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det; + + out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det; + out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det; + out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det; + + out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det; + out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det; + out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det; + + return out; +} /** - * Transforms the vec2 with a mat3 - * 3rd vector component is implicitly '1' + * Generates a 2D projection matrix with the given bounds * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat3} m matrix to transform with - * @returns {vec2} out + * @param {mat3} out mat3 frustum matrix will be written into + * @param {number} width Width of your gl context + * @param {number} height Height of gl context + * @returns {mat3} out */ -vec2.transformMat3 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[3] * y + m[6]; - out[1] = m[1] * x + m[4] * y + m[7]; - return out; -}; +function projection(out, width, height) { + out[0] = 2 / width; + out[1] = 0; + out[2] = 0; + out[3] = 0; + out[4] = -2 / height; + out[5] = 0; + out[6] = -1; + out[7] = 1; + out[8] = 1; + return out; +} /** - * Transforms the vec2 with a mat4 - * 3rd vector component is implicitly '0' - * 4th vector component is implicitly '1' + * Returns a string representation of a mat3 * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec2} out + * @param {mat3} a matrix to represent as a string + * @returns {String} string representation of the matrix */ -vec2.transformMat4 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[4] * y + m[12]; - out[1] = m[1] * x + m[5] * y + m[13]; - return out; -}; +function str(a) { + return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' + a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' + a[8] + ')'; +} /** - * Perform some operation over an array of vec2s. + * Returns Frobenius norm of a mat3 * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a + * @param {mat3} a the matrix to calculate Frobenius norm of + * @returns {Number} Frobenius norm + */ +function frob(a) { + return Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2)); +} + +/** + * Adds two mat3's + * + * @param {mat3} out the receiving matrix + * @param {mat3} a the first operand + * @param {mat3} b the second operand + * @returns {mat3} out + */ +function add(out, a, b) { + out[0] = a[0] + b[0]; + out[1] = a[1] + b[1]; + out[2] = a[2] + b[2]; + out[3] = a[3] + b[3]; + out[4] = a[4] + b[4]; + out[5] = a[5] + b[5]; + out[6] = a[6] + b[6]; + out[7] = a[7] + b[7]; + out[8] = a[8] + b[8]; + return out; +} + +/** + * Subtracts matrix b from matrix a + * + * @param {mat3} out the receiving matrix + * @param {mat3} a the first operand + * @param {mat3} b the second operand + * @returns {mat3} out + */ +function subtract(out, a, b) { + out[0] = a[0] - b[0]; + out[1] = a[1] - b[1]; + out[2] = a[2] - b[2]; + out[3] = a[3] - b[3]; + out[4] = a[4] - b[4]; + out[5] = a[5] - b[5]; + out[6] = a[6] - b[6]; + out[7] = a[7] - b[7]; + out[8] = a[8] - b[8]; + return out; +} + +/** + * Multiply each element of the matrix by a scalar. + * + * @param {mat3} out the receiving matrix + * @param {mat3} a the matrix to scale + * @param {Number} b amount to scale the matrix's elements by + * @returns {mat3} out + */ +function multiplyScalar(out, a, b) { + out[0] = a[0] * b; + out[1] = a[1] * b; + out[2] = a[2] * b; + out[3] = a[3] * b; + out[4] = a[4] * b; + out[5] = a[5] * b; + out[6] = a[6] * b; + out[7] = a[7] * b; + out[8] = a[8] * b; + return out; +} + +/** + * Adds two mat3's after multiplying each element of the second operand by a scalar value. + * + * @param {mat3} out the receiving vector + * @param {mat3} a the first operand + * @param {mat3} b the second operand + * @param {Number} scale the amount to scale b's elements by before adding + * @returns {mat3} out + */ +function multiplyScalarAndAdd(out, a, b, scale) { + out[0] = a[0] + b[0] * scale; + out[1] = a[1] + b[1] * scale; + out[2] = a[2] + b[2] * scale; + out[3] = a[3] + b[3] * scale; + out[4] = a[4] + b[4] * scale; + out[5] = a[5] + b[5] * scale; + out[6] = a[6] + b[6] * scale; + out[7] = a[7] + b[7] * scale; + out[8] = a[8] + b[8] * scale; + return out; +} + +/** + * Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===) + * + * @param {mat3} a The first matrix. + * @param {mat3} b The second matrix. + * @returns {Boolean} True if the matrices are equal, false otherwise. + */ +function exactEquals(a, b) { + return a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3] && a[4] === b[4] && a[5] === b[5] && a[6] === b[6] && a[7] === b[7] && a[8] === b[8]; +} + +/** + * Returns whether or not the matrices have approximately the same elements in the same position. + * + * @param {mat3} a The first matrix. + * @param {mat3} b The second matrix. + * @returns {Boolean} True if the matrices are equal, false otherwise. + */ +function equals(a, b) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3], + a4 = a[4], + a5 = a[5], + a6 = a[6], + a7 = a[7], + a8 = a[8]; + var b0 = b[0], + b1 = b[1], + b2 = b[2], + b3 = b[3], + b4 = b[4], + b5 = b[5], + b6 = b[6], + b7 = b[7], + b8 = b[8]; + return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)) && Math.abs(a4 - b4) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a4), Math.abs(b4)) && Math.abs(a5 - b5) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a5), Math.abs(b5)) && Math.abs(a6 - b6) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a6), Math.abs(b6)) && Math.abs(a7 - b7) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a7), Math.abs(b7)) && Math.abs(a8 - b8) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a8), Math.abs(b8)); +} + +/** + * Alias for {@link mat3.multiply} * @function */ -vec2.forEach = (function() { - var vec = vec2.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 2; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; - } - - return a; - }; -})(); +var mul = exports.mul = multiply; /** - * Returns a string representation of a vector - * - * @param {vec2} vec vector to represent as a string - * @returns {String} string representation of the vector + * Alias for {@link mat3.subtract} + * @function */ -vec2.str = function (a) { - return 'vec2(' + a[0] + ', ' + a[1] + ')'; -}; +var sub = exports.sub = subtract; -if(typeof(exports) !== 'undefined') { - exports.vec2 = vec2; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. +/***/ }), +/* 2 */ +/***/ (function(module, exports, __webpack_require__) { -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: +"use strict"; - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.forEach = exports.sqrLen = exports.len = exports.sqrDist = exports.dist = exports.div = exports.mul = exports.sub = undefined; +exports.create = create; +exports.clone = clone; +exports.length = length; +exports.fromValues = fromValues; +exports.copy = copy; +exports.set = set; +exports.add = add; +exports.subtract = subtract; +exports.multiply = multiply; +exports.divide = divide; +exports.ceil = ceil; +exports.floor = floor; +exports.min = min; +exports.max = max; +exports.round = round; +exports.scale = scale; +exports.scaleAndAdd = scaleAndAdd; +exports.distance = distance; +exports.squaredDistance = squaredDistance; +exports.squaredLength = squaredLength; +exports.negate = negate; +exports.inverse = inverse; +exports.normalize = normalize; +exports.dot = dot; +exports.cross = cross; +exports.lerp = lerp; +exports.hermite = hermite; +exports.bezier = bezier; +exports.random = random; +exports.transformMat4 = transformMat4; +exports.transformMat3 = transformMat3; +exports.transformQuat = transformQuat; +exports.rotateX = rotateX; +exports.rotateY = rotateY; +exports.rotateZ = rotateZ; +exports.angle = angle; +exports.str = str; +exports.exactEquals = exactEquals; +exports.equals = equals; + +var _common = __webpack_require__(0); + +var glMatrix = _interopRequireWildcard(_common); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } /** - * @class 3 Dimensional Vector - * @name vec3 + * 3 Dimensional Vector + * @module vec3 */ -var vec3 = {}; - /** * Creates a new, empty vec3 * * @returns {vec3} a new 3D vector */ -vec3.create = function() { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = 0; - out[1] = 0; - out[2] = 0; - return out; -}; +function create() { + var out = new glMatrix.ARRAY_TYPE(3); + out[0] = 0; + out[1] = 0; + out[2] = 0; + return out; +} /** * Creates a new vec3 initialized with values from an existing vector @@ -689,13 +1132,46 @@ vec3.create = function() { * @param {vec3} a vector to clone * @returns {vec3} a new 3D vector */ -vec3.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; +/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. */ + +function clone(a) { + var out = new glMatrix.ARRAY_TYPE(3); + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + return out; +} + +/** + * Calculates the length of a vec3 + * + * @param {vec3} a vector to calculate length of + * @returns {Number} length of a + */ +function length(a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + return Math.sqrt(x * x + y * y + z * z); +} /** * Creates a new vec3 initialized with the given values @@ -705,13 +1181,13 @@ vec3.clone = function(a) { * @param {Number} z Z component * @returns {vec3} a new 3D vector */ -vec3.fromValues = function(x, y, z) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; +function fromValues(x, y, z) { + var out = new glMatrix.ARRAY_TYPE(3); + out[0] = x; + out[1] = y; + out[2] = z; + return out; +} /** * Copy the values from one vec3 to another @@ -720,12 +1196,12 @@ vec3.fromValues = function(x, y, z) { * @param {vec3} a the source vector * @returns {vec3} out */ -vec3.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; +function copy(out, a) { + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + return out; +} /** * Set the components of a vec3 to the given values @@ -736,12 +1212,12 @@ vec3.copy = function(out, a) { * @param {Number} z Z component * @returns {vec3} out */ -vec3.set = function(out, x, y, z) { - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; +function set(out, x, y, z) { + out[0] = x; + out[1] = y; + out[2] = z; + return out; +} /** * Adds two vec3's @@ -751,12 +1227,12 @@ vec3.set = function(out, x, y, z) { * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - return out; -}; +function add(out, a, b) { + out[0] = a[0] + b[0]; + out[1] = a[1] + b[1]; + out[2] = a[2] + b[2]; + return out; +} /** * Subtracts vector b from vector a @@ -766,18 +1242,12 @@ vec3.add = function(out, a, b) { * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - return out; -}; - -/** - * Alias for {@link vec3.subtract} - * @function - */ -vec3.sub = vec3.subtract; +function subtract(out, a, b) { + out[0] = a[0] - b[0]; + out[1] = a[1] - b[1]; + out[2] = a[2] - b[2]; + return out; +} /** * Multiplies two vec3's @@ -787,18 +1257,12 @@ vec3.sub = vec3.subtract; * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - return out; -}; - -/** - * Alias for {@link vec3.multiply} - * @function - */ -vec3.mul = vec3.multiply; +function multiply(out, a, b) { + out[0] = a[0] * b[0]; + out[1] = a[1] * b[1]; + out[2] = a[2] * b[2]; + return out; +} /** * Divides two vec3's @@ -808,18 +1272,40 @@ vec3.mul = vec3.multiply; * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - return out; -}; +function divide(out, a, b) { + out[0] = a[0] / b[0]; + out[1] = a[1] / b[1]; + out[2] = a[2] / b[2]; + return out; +} /** - * Alias for {@link vec3.divide} - * @function + * Math.ceil the components of a vec3 + * + * @param {vec3} out the receiving vector + * @param {vec3} a vector to ceil + * @returns {vec3} out */ -vec3.div = vec3.divide; +function ceil(out, a) { + out[0] = Math.ceil(a[0]); + out[1] = Math.ceil(a[1]); + out[2] = Math.ceil(a[2]); + return out; +} + +/** + * Math.floor the components of a vec3 + * + * @param {vec3} out the receiving vector + * @param {vec3} a vector to floor + * @returns {vec3} out + */ +function floor(out, a) { + out[0] = Math.floor(a[0]); + out[1] = Math.floor(a[1]); + out[2] = Math.floor(a[2]); + return out; +} /** * Returns the minimum of two vec3's @@ -829,12 +1315,12 @@ vec3.div = vec3.divide; * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - return out; -}; +function min(out, a, b) { + out[0] = Math.min(a[0], b[0]); + out[1] = Math.min(a[1], b[1]); + out[2] = Math.min(a[2], b[2]); + return out; +} /** * Returns the maximum of two vec3's @@ -844,12 +1330,26 @@ vec3.min = function(out, a, b) { * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - return out; -}; +function max(out, a, b) { + out[0] = Math.max(a[0], b[0]); + out[1] = Math.max(a[1], b[1]); + out[2] = Math.max(a[2], b[2]); + return out; +} + +/** + * Math.round the components of a vec3 + * + * @param {vec3} out the receiving vector + * @param {vec3} a vector to round + * @returns {vec3} out + */ +function round(out, a) { + out[0] = Math.round(a[0]); + out[1] = Math.round(a[1]); + out[2] = Math.round(a[2]); + return out; +} /** * Scales a vec3 by a scalar number @@ -859,12 +1359,12 @@ vec3.max = function(out, a, b) { * @param {Number} b amount to scale the vector by * @returns {vec3} out */ -vec3.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - return out; -}; +function scale(out, a, b) { + out[0] = a[0] * b; + out[1] = a[1] * b; + out[2] = a[2] * b; + return out; +} /** * Adds two vec3's after scaling the second operand by a scalar value @@ -875,12 +1375,12 @@ vec3.scale = function(out, a, b) { * @param {Number} scale the amount to scale b by before adding * @returns {vec3} out */ -vec3.scaleAndAdd = function(out, a, b, scale) { - out[0] = a[0] + (b[0] * scale); - out[1] = a[1] + (b[1] * scale); - out[2] = a[2] + (b[2] * scale); - return out; -}; +function scaleAndAdd(out, a, b, scale) { + out[0] = a[0] + b[0] * scale; + out[1] = a[1] + b[1] * scale; + out[2] = a[2] + b[2] * scale; + return out; +} /** * Calculates the euclidian distance between two vec3's @@ -889,18 +1389,12 @@ vec3.scaleAndAdd = function(out, a, b, scale) { * @param {vec3} b the second operand * @returns {Number} distance between a and b */ -vec3.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.distance} - * @function - */ -vec3.dist = vec3.distance; +function distance(a, b) { + var x = b[0] - a[0]; + var y = b[1] - a[1]; + var z = b[2] - a[2]; + return Math.sqrt(x * x + y * y + z * z); +} /** * Calculates the squared euclidian distance between two vec3's @@ -909,37 +1403,12 @@ vec3.dist = vec3.distance; * @param {vec3} b the second operand * @returns {Number} squared distance between a and b */ -vec3.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredDistance} - * @function - */ -vec3.sqrDist = vec3.squaredDistance; - -/** - * Calculates the length of a vec3 - * - * @param {vec3} a vector to calculate length of - * @returns {Number} length of a - */ -vec3.length = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.length} - * @function - */ -vec3.len = vec3.length; +function squaredDistance(a, b) { + var x = b[0] - a[0]; + var y = b[1] - a[1]; + var z = b[2] - a[2]; + return x * x + y * y + z * z; +} /** * Calculates the squared length of a vec3 @@ -947,18 +1416,12 @@ vec3.len = vec3.length; * @param {vec3} a vector to calculate squared length of * @returns {Number} squared length of a */ -vec3.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredLength} - * @function - */ -vec3.sqrLen = vec3.squaredLength; +function squaredLength(a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + return x * x + y * y + z * z; +} /** * Negates the components of a vec3 @@ -967,12 +1430,12 @@ vec3.sqrLen = vec3.squaredLength; * @param {vec3} a vector to negate * @returns {vec3} out */ -vec3.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - return out; -}; +function negate(out, a) { + out[0] = -a[0]; + out[1] = -a[1]; + out[2] = -a[2]; + return out; +} /** * Returns the inverse of the components of a vec3 @@ -981,12 +1444,12 @@ vec3.negate = function(out, a) { * @param {vec3} a vector to invert * @returns {vec3} out */ -vec3.inverse = function(out, a) { +function inverse(out, a) { out[0] = 1.0 / a[0]; out[1] = 1.0 / a[1]; out[2] = 1.0 / a[2]; return out; -}; +} /** * Normalize a vec3 @@ -995,20 +1458,20 @@ vec3.inverse = function(out, a) { * @param {vec3} a vector to normalize * @returns {vec3} out */ -vec3.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2]; - var len = x*x + y*y + z*z; - if (len > 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - } - return out; -}; +function normalize(out, a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + var len = x * x + y * y + z * z; + if (len > 0) { + //TODO: evaluate use of glm_invsqrt here? + len = 1 / Math.sqrt(len); + out[0] = a[0] * len; + out[1] = a[1] * len; + out[2] = a[2] * len; + } + return out; +} /** * Calculates the dot product of two vec3's @@ -1017,9 +1480,9 @@ vec3.normalize = function(out, a) { * @param {vec3} b the second operand * @returns {Number} dot product of a and b */ -vec3.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -}; +function dot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} /** * Computes the cross product of two vec3's @@ -1029,15 +1492,19 @@ vec3.dot = function (a, b) { * @param {vec3} b the second operand * @returns {vec3} out */ -vec3.cross = function(out, a, b) { - var ax = a[0], ay = a[1], az = a[2], - bx = b[0], by = b[1], bz = b[2]; +function cross(out, a, b) { + var ax = a[0], + ay = a[1], + az = a[2]; + var bx = b[0], + by = b[1], + bz = b[2]; - out[0] = ay * bz - az * by; - out[1] = az * bx - ax * bz; - out[2] = ax * by - ay * bx; - return out; -}; + out[0] = ay * bz - az * by; + out[1] = az * bx - ax * bz; + out[2] = ax * by - ay * bx; + return out; +} /** * Performs a linear interpolation between two vec3's @@ -1048,15 +1515,67 @@ vec3.cross = function(out, a, b) { * @param {Number} t interpolation amount between the two inputs * @returns {vec3} out */ -vec3.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - return out; -}; +function lerp(out, a, b, t) { + var ax = a[0]; + var ay = a[1]; + var az = a[2]; + out[0] = ax + t * (b[0] - ax); + out[1] = ay + t * (b[1] - ay); + out[2] = az + t * (b[2] - az); + return out; +} + +/** + * Performs a hermite interpolation with two control points + * + * @param {vec3} out the receiving vector + * @param {vec3} a the first operand + * @param {vec3} b the second operand + * @param {vec3} c the third operand + * @param {vec3} d the fourth operand + * @param {Number} t interpolation amount between the two inputs + * @returns {vec3} out + */ +function hermite(out, a, b, c, d, t) { + var factorTimes2 = t * t; + var factor1 = factorTimes2 * (2 * t - 3) + 1; + var factor2 = factorTimes2 * (t - 2) + t; + var factor3 = factorTimes2 * (t - 1); + var factor4 = factorTimes2 * (3 - 2 * t); + + out[0] = a[0] * factor1 + b[0] * factor2 + c[0] * factor3 + d[0] * factor4; + out[1] = a[1] * factor1 + b[1] * factor2 + c[1] * factor3 + d[1] * factor4; + out[2] = a[2] * factor1 + b[2] * factor2 + c[2] * factor3 + d[2] * factor4; + + return out; +} + +/** + * Performs a bezier interpolation with two control points + * + * @param {vec3} out the receiving vector + * @param {vec3} a the first operand + * @param {vec3} b the second operand + * @param {vec3} c the third operand + * @param {vec3} d the fourth operand + * @param {Number} t interpolation amount between the two inputs + * @returns {vec3} out + */ +function bezier(out, a, b, c, d, t) { + var inverseFactor = 1 - t; + var inverseFactorTimesTwo = inverseFactor * inverseFactor; + var factorTimes2 = t * t; + var factor1 = inverseFactorTimesTwo * inverseFactor; + var factor2 = 3 * t * inverseFactorTimesTwo; + var factor3 = 3 * factorTimes2 * inverseFactor; + var factor4 = factorTimes2 * t; + + out[0] = a[0] * factor1 + b[0] * factor2 + c[0] * factor3 + d[0] * factor4; + out[1] = a[1] * factor1 + b[1] * factor2 + c[1] * factor3 + d[1] * factor4; + out[2] = a[2] * factor1 + b[2] * factor2 + c[2] * factor3 + d[2] * factor4; + + return out; +} /** * Generates a random vector with the given scale @@ -1065,18 +1584,18 @@ vec3.lerp = function (out, a, b, t) { * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned * @returns {vec3} out */ -vec3.random = function (out, scale) { - scale = scale || 1.0; +function random(out, scale) { + scale = scale || 1.0; - var r = GLMAT_RANDOM() * 2.0 * Math.PI; - var z = (GLMAT_RANDOM() * 2.0) - 1.0; - var zScale = Math.sqrt(1.0-z*z) * scale; + var r = glMatrix.RANDOM() * 2.0 * Math.PI; + var z = glMatrix.RANDOM() * 2.0 - 1.0; + var zScale = Math.sqrt(1.0 - z * z) * scale; - out[0] = Math.cos(r) * zScale; - out[1] = Math.sin(r) * zScale; - out[2] = z * scale; - return out; -}; + out[0] = Math.cos(r) * zScale; + out[1] = Math.sin(r) * zScale; + out[2] = z * scale; + return out; +} /** * Transforms the vec3 with a mat4. @@ -1087,31 +1606,35 @@ vec3.random = function (out, scale) { * @param {mat4} m matrix to transform with * @returns {vec3} out */ -vec3.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2], - w = m[3] * x + m[7] * y + m[11] * z + m[15]; - w = w || 1.0; - out[0] = (m[0] * x + m[4] * y + m[8] * z + m[12]) / w; - out[1] = (m[1] * x + m[5] * y + m[9] * z + m[13]) / w; - out[2] = (m[2] * x + m[6] * y + m[10] * z + m[14]) / w; - return out; -}; +function transformMat4(out, a, m) { + var x = a[0], + y = a[1], + z = a[2]; + var w = m[3] * x + m[7] * y + m[11] * z + m[15]; + w = w || 1.0; + out[0] = (m[0] * x + m[4] * y + m[8] * z + m[12]) / w; + out[1] = (m[1] * x + m[5] * y + m[9] * z + m[13]) / w; + out[2] = (m[2] * x + m[6] * y + m[10] * z + m[14]) / w; + return out; +} /** * Transforms the vec3 with a mat3. * * @param {vec3} out the receiving vector * @param {vec3} a the vector to transform - * @param {mat4} m the 3x3 matrix to transform with + * @param {mat3} m the 3x3 matrix to transform with * @returns {vec3} out */ -vec3.transformMat3 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2]; - out[0] = x * m[0] + y * m[3] + z * m[6]; - out[1] = x * m[1] + y * m[4] + z * m[7]; - out[2] = x * m[2] + y * m[5] + z * m[8]; - return out; -}; +function transformMat3(out, a, m) { + var x = a[0], + y = a[1], + z = a[2]; + out[0] = x * m[0] + y * m[3] + z * m[6]; + out[1] = x * m[1] + y * m[4] + z * m[7]; + out[2] = x * m[2] + y * m[5] + z * m[8]; + return out; +} /** * Transforms the vec3 with a quat @@ -1121,24 +1644,29 @@ vec3.transformMat3 = function(out, a, m) { * @param {quat} q quaternion to transform with * @returns {vec3} out */ -vec3.transformQuat = function(out, a, q) { - // benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations +function transformQuat(out, a, q) { + // benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], + var x = a[0], + y = a[1], + z = a[2]; + var qx = q[0], + qy = q[1], + qz = q[2], + qw = q[3]; - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; + // calculate quat * vec + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = -qx * x - qy * y - qz * z; - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; + // calculate result * inverse quat + out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; + out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; + out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; + return out; +} /** * Rotate a 3D vector around the x-axis @@ -1148,25 +1676,26 @@ vec3.transformQuat = function(out, a, q) { * @param {Number} c The angle of rotation * @returns {vec3} out */ -vec3.rotateX = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; +function rotateX(out, a, b, c) { + var p = [], + r = []; + //Translate point to the origin + p[0] = a[0] - b[0]; + p[1] = a[1] - b[1]; + p[2] = a[2] - b[2]; - //perform rotation - r[0] = p[0]; - r[1] = p[1]*Math.cos(c) - p[2]*Math.sin(c); - r[2] = p[1]*Math.sin(c) + p[2]*Math.cos(c); + //perform rotation + r[0] = p[0]; + r[1] = p[1] * Math.cos(c) - p[2] * Math.sin(c); + r[2] = p[1] * Math.sin(c) + p[2] * Math.cos(c); - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; + //translate to correct position + out[0] = r[0] + b[0]; + out[1] = r[1] + b[1]; + out[2] = r[2] + b[2]; - return out; -}; + return out; +} /** * Rotate a 3D vector around the y-axis @@ -1176,25 +1705,26 @@ vec3.rotateX = function(out, a, b, c){ * @param {Number} c The angle of rotation * @returns {vec3} out */ -vec3.rotateY = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; - - //perform rotation - r[0] = p[2]*Math.sin(c) + p[0]*Math.cos(c); - r[1] = p[1]; - r[2] = p[2]*Math.cos(c) - p[0]*Math.sin(c); - - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; - - return out; -}; +function rotateY(out, a, b, c) { + var p = [], + r = []; + //Translate point to the origin + p[0] = a[0] - b[0]; + p[1] = a[1] - b[1]; + p[2] = a[2] - b[2]; + + //perform rotation + r[0] = p[2] * Math.sin(c) + p[0] * Math.cos(c); + r[1] = p[1]; + r[2] = p[2] * Math.cos(c) - p[0] * Math.sin(c); + + //translate to correct position + out[0] = r[0] + b[0]; + out[1] = r[1] + b[1]; + out[2] = r[2] + b[2]; + + return out; +} /** * Rotate a 3D vector around the z-axis @@ -1204,25 +1734,130 @@ vec3.rotateY = function(out, a, b, c){ * @param {Number} c The angle of rotation * @returns {vec3} out */ -vec3.rotateZ = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; - - //perform rotation - r[0] = p[0]*Math.cos(c) - p[1]*Math.sin(c); - r[1] = p[0]*Math.sin(c) + p[1]*Math.cos(c); - r[2] = p[2]; - - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; - - return out; -}; +function rotateZ(out, a, b, c) { + var p = [], + r = []; + //Translate point to the origin + p[0] = a[0] - b[0]; + p[1] = a[1] - b[1]; + p[2] = a[2] - b[2]; + + //perform rotation + r[0] = p[0] * Math.cos(c) - p[1] * Math.sin(c); + r[1] = p[0] * Math.sin(c) + p[1] * Math.cos(c); + r[2] = p[2]; + + //translate to correct position + out[0] = r[0] + b[0]; + out[1] = r[1] + b[1]; + out[2] = r[2] + b[2]; + + return out; +} + +/** + * Get the angle between two 3D vectors + * @param {vec3} a The first operand + * @param {vec3} b The second operand + * @returns {Number} The angle in radians + */ +function angle(a, b) { + var tempA = fromValues(a[0], a[1], a[2]); + var tempB = fromValues(b[0], b[1], b[2]); + + normalize(tempA, tempA); + normalize(tempB, tempB); + + var cosine = dot(tempA, tempB); + + if (cosine > 1.0) { + return 0; + } else if (cosine < -1.0) { + return Math.PI; + } else { + return Math.acos(cosine); + } +} + +/** + * Returns a string representation of a vector + * + * @param {vec3} a vector to represent as a string + * @returns {String} string representation of the vector + */ +function str(a) { + return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')'; +} + +/** + * Returns whether or not the vectors have exactly the same elements in the same position (when compared with ===) + * + * @param {vec3} a The first vector. + * @param {vec3} b The second vector. + * @returns {Boolean} True if the vectors are equal, false otherwise. + */ +function exactEquals(a, b) { + return a[0] === b[0] && a[1] === b[1] && a[2] === b[2]; +} + +/** + * Returns whether or not the vectors have approximately the same elements in the same position. + * + * @param {vec3} a The first vector. + * @param {vec3} b The second vector. + * @returns {Boolean} True if the vectors are equal, false otherwise. + */ +function equals(a, b) { + var a0 = a[0], + a1 = a[1], + a2 = a[2]; + var b0 = b[0], + b1 = b[1], + b2 = b[2]; + return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)); +} + +/** + * Alias for {@link vec3.subtract} + * @function + */ +var sub = exports.sub = subtract; + +/** + * Alias for {@link vec3.multiply} + * @function + */ +var mul = exports.mul = multiply; + +/** + * Alias for {@link vec3.divide} + * @function + */ +var div = exports.div = divide; + +/** + * Alias for {@link vec3.distance} + * @function + */ +var dist = exports.dist = distance; + +/** + * Alias for {@link vec3.squaredDistance} + * @function + */ +var sqrDist = exports.sqrDist = squaredDistance; + +/** + * Alias for {@link vec3.length} + * @function + */ +var len = exports.len = length; + +/** + * Alias for {@link vec3.squaredLength} + * @function + */ +var sqrLen = exports.sqrLen = squaredLength; /** * Perform some operation over an array of vec3s. @@ -1236,91 +1871,103 @@ vec3.rotateZ = function(out, a, b, c){ * @returns {Array} a * @function */ -vec3.forEach = (function() { - var vec = vec3.create(); +var forEach = exports.forEach = function () { + var vec = create(); - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 3; - } + return function (a, stride, offset, count, fn, arg) { + var i = void 0, + l = void 0; + if (!stride) { + stride = 3; + } - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } + if (!offset) { + offset = 0; + } - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; - } - - return a; - }; -})(); + if (count) { + l = Math.min(count * stride + offset, a.length); + } else { + l = a.length; + } + + for (i = offset; i < l; i += stride) { + vec[0] = a[i];vec[1] = a[i + 1];vec[2] = a[i + 2]; + fn(vec, vec, arg); + a[i] = vec[0];a[i + 1] = vec[1];a[i + 2] = vec[2]; + } + + return a; + }; +}(); + +/***/ }), +/* 3 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.forEach = exports.sqrLen = exports.len = exports.sqrDist = exports.dist = exports.div = exports.mul = exports.sub = undefined; +exports.create = create; +exports.clone = clone; +exports.fromValues = fromValues; +exports.copy = copy; +exports.set = set; +exports.add = add; +exports.subtract = subtract; +exports.multiply = multiply; +exports.divide = divide; +exports.ceil = ceil; +exports.floor = floor; +exports.min = min; +exports.max = max; +exports.round = round; +exports.scale = scale; +exports.scaleAndAdd = scaleAndAdd; +exports.distance = distance; +exports.squaredDistance = squaredDistance; +exports.length = length; +exports.squaredLength = squaredLength; +exports.negate = negate; +exports.inverse = inverse; +exports.normalize = normalize; +exports.dot = dot; +exports.lerp = lerp; +exports.random = random; +exports.transformMat4 = transformMat4; +exports.transformQuat = transformQuat; +exports.str = str; +exports.exactEquals = exactEquals; +exports.equals = equals; + +var _common = __webpack_require__(0); + +var glMatrix = _interopRequireWildcard(_common); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } /** - * Returns a string representation of a vector - * - * @param {vec3} vec vector to represent as a string - * @returns {String} string representation of the vector + * 4 Dimensional Vector + * @module vec4 */ -vec3.str = function (a) { - return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec3 = vec3; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 4 Dimensional Vector - * @name vec4 - */ - -var vec4 = {}; /** * Creates a new, empty vec4 * * @returns {vec4} a new 4D vector */ -vec4.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 0; - return out; -}; +function create() { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = 0; + out[1] = 0; + out[2] = 0; + out[3] = 0; + return out; +} /** * Creates a new vec4 initialized with values from an existing vector @@ -1328,14 +1975,34 @@ vec4.create = function() { * @param {vec4} a vector to clone * @returns {vec4} a new 4D vector */ -vec4.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; +/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. */ + +function clone(a) { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + out[3] = a[3]; + return out; +} /** * Creates a new vec4 initialized with the given values @@ -1346,14 +2013,14 @@ vec4.clone = function(a) { * @param {Number} w W component * @returns {vec4} a new 4D vector */ -vec4.fromValues = function(x, y, z, w) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; +function fromValues(x, y, z, w) { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = x; + out[1] = y; + out[2] = z; + out[3] = w; + return out; +} /** * Copy the values from one vec4 to another @@ -1362,13 +2029,13 @@ vec4.fromValues = function(x, y, z, w) { * @param {vec4} a the source vector * @returns {vec4} out */ -vec4.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; +function copy(out, a) { + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + out[3] = a[3]; + return out; +} /** * Set the components of a vec4 to the given values @@ -1380,13 +2047,13 @@ vec4.copy = function(out, a) { * @param {Number} w W component * @returns {vec4} out */ -vec4.set = function(out, x, y, z, w) { - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; +function set(out, x, y, z, w) { + out[0] = x; + out[1] = y; + out[2] = z; + out[3] = w; + return out; +} /** * Adds two vec4's @@ -1396,13 +2063,13 @@ vec4.set = function(out, x, y, z, w) { * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - out[3] = a[3] + b[3]; - return out; -}; +function add(out, a, b) { + out[0] = a[0] + b[0]; + out[1] = a[1] + b[1]; + out[2] = a[2] + b[2]; + out[3] = a[3] + b[3]; + return out; +} /** * Subtracts vector b from vector a @@ -1412,19 +2079,13 @@ vec4.add = function(out, a, b) { * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - out[3] = a[3] - b[3]; - return out; -}; - -/** - * Alias for {@link vec4.subtract} - * @function - */ -vec4.sub = vec4.subtract; +function subtract(out, a, b) { + out[0] = a[0] - b[0]; + out[1] = a[1] - b[1]; + out[2] = a[2] - b[2]; + out[3] = a[3] - b[3]; + return out; +} /** * Multiplies two vec4's @@ -1434,19 +2095,13 @@ vec4.sub = vec4.subtract; * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - out[3] = a[3] * b[3]; - return out; -}; - -/** - * Alias for {@link vec4.multiply} - * @function - */ -vec4.mul = vec4.multiply; +function multiply(out, a, b) { + out[0] = a[0] * b[0]; + out[1] = a[1] * b[1]; + out[2] = a[2] * b[2]; + out[3] = a[3] * b[3]; + return out; +} /** * Divides two vec4's @@ -1456,19 +2111,43 @@ vec4.mul = vec4.multiply; * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - out[3] = a[3] / b[3]; - return out; -}; +function divide(out, a, b) { + out[0] = a[0] / b[0]; + out[1] = a[1] / b[1]; + out[2] = a[2] / b[2]; + out[3] = a[3] / b[3]; + return out; +} /** - * Alias for {@link vec4.divide} - * @function + * Math.ceil the components of a vec4 + * + * @param {vec4} out the receiving vector + * @param {vec4} a vector to ceil + * @returns {vec4} out */ -vec4.div = vec4.divide; +function ceil(out, a) { + out[0] = Math.ceil(a[0]); + out[1] = Math.ceil(a[1]); + out[2] = Math.ceil(a[2]); + out[3] = Math.ceil(a[3]); + return out; +} + +/** + * Math.floor the components of a vec4 + * + * @param {vec4} out the receiving vector + * @param {vec4} a vector to floor + * @returns {vec4} out + */ +function floor(out, a) { + out[0] = Math.floor(a[0]); + out[1] = Math.floor(a[1]); + out[2] = Math.floor(a[2]); + out[3] = Math.floor(a[3]); + return out; +} /** * Returns the minimum of two vec4's @@ -1478,13 +2157,13 @@ vec4.div = vec4.divide; * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - out[3] = Math.min(a[3], b[3]); - return out; -}; +function min(out, a, b) { + out[0] = Math.min(a[0], b[0]); + out[1] = Math.min(a[1], b[1]); + out[2] = Math.min(a[2], b[2]); + out[3] = Math.min(a[3], b[3]); + return out; +} /** * Returns the maximum of two vec4's @@ -1494,13 +2173,28 @@ vec4.min = function(out, a, b) { * @param {vec4} b the second operand * @returns {vec4} out */ -vec4.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - out[3] = Math.max(a[3], b[3]); - return out; -}; +function max(out, a, b) { + out[0] = Math.max(a[0], b[0]); + out[1] = Math.max(a[1], b[1]); + out[2] = Math.max(a[2], b[2]); + out[3] = Math.max(a[3], b[3]); + return out; +} + +/** + * Math.round the components of a vec4 + * + * @param {vec4} out the receiving vector + * @param {vec4} a vector to round + * @returns {vec4} out + */ +function round(out, a) { + out[0] = Math.round(a[0]); + out[1] = Math.round(a[1]); + out[2] = Math.round(a[2]); + out[3] = Math.round(a[3]); + return out; +} /** * Scales a vec4 by a scalar number @@ -1510,13 +2204,13 @@ vec4.max = function(out, a, b) { * @param {Number} b amount to scale the vector by * @returns {vec4} out */ -vec4.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - out[3] = a[3] * b; - return out; -}; +function scale(out, a, b) { + out[0] = a[0] * b; + out[1] = a[1] * b; + out[2] = a[2] * b; + out[3] = a[3] * b; + return out; +} /** * Adds two vec4's after scaling the second operand by a scalar value @@ -1527,13 +2221,13 @@ vec4.scale = function(out, a, b) { * @param {Number} scale the amount to scale b by before adding * @returns {vec4} out */ -vec4.scaleAndAdd = function(out, a, b, scale) { - out[0] = a[0] + (b[0] * scale); - out[1] = a[1] + (b[1] * scale); - out[2] = a[2] + (b[2] * scale); - out[3] = a[3] + (b[3] * scale); - return out; -}; +function scaleAndAdd(out, a, b, scale) { + out[0] = a[0] + b[0] * scale; + out[1] = a[1] + b[1] * scale; + out[2] = a[2] + b[2] * scale; + out[3] = a[3] + b[3] * scale; + return out; +} /** * Calculates the euclidian distance between two vec4's @@ -1542,19 +2236,13 @@ vec4.scaleAndAdd = function(out, a, b, scale) { * @param {vec4} b the second operand * @returns {Number} distance between a and b */ -vec4.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.distance} - * @function - */ -vec4.dist = vec4.distance; +function distance(a, b) { + var x = b[0] - a[0]; + var y = b[1] - a[1]; + var z = b[2] - a[2]; + var w = b[3] - a[3]; + return Math.sqrt(x * x + y * y + z * z + w * w); +} /** * Calculates the squared euclidian distance between two vec4's @@ -1563,19 +2251,13 @@ vec4.dist = vec4.distance; * @param {vec4} b the second operand * @returns {Number} squared distance between a and b */ -vec4.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredDistance} - * @function - */ -vec4.sqrDist = vec4.squaredDistance; +function squaredDistance(a, b) { + var x = b[0] - a[0]; + var y = b[1] - a[1]; + var z = b[2] - a[2]; + var w = b[3] - a[3]; + return x * x + y * y + z * z + w * w; +} /** * Calculates the length of a vec4 @@ -1583,19 +2265,13 @@ vec4.sqrDist = vec4.squaredDistance; * @param {vec4} a vector to calculate length of * @returns {Number} length of a */ -vec4.length = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.length} - * @function - */ -vec4.len = vec4.length; +function length(a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + var w = a[3]; + return Math.sqrt(x * x + y * y + z * z + w * w); +} /** * Calculates the squared length of a vec4 @@ -1603,19 +2279,13 @@ vec4.len = vec4.length; * @param {vec4} a vector to calculate squared length of * @returns {Number} squared length of a */ -vec4.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredLength} - * @function - */ -vec4.sqrLen = vec4.squaredLength; +function squaredLength(a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + var w = a[3]; + return x * x + y * y + z * z + w * w; +} /** * Negates the components of a vec4 @@ -1624,13 +2294,13 @@ vec4.sqrLen = vec4.squaredLength; * @param {vec4} a vector to negate * @returns {vec4} out */ -vec4.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = -a[3]; - return out; -}; +function negate(out, a) { + out[0] = -a[0]; + out[1] = -a[1]; + out[2] = -a[2]; + out[3] = -a[3]; + return out; +} /** * Returns the inverse of the components of a vec4 @@ -1639,13 +2309,13 @@ vec4.negate = function(out, a) { * @param {vec4} a vector to invert * @returns {vec4} out */ -vec4.inverse = function(out, a) { +function inverse(out, a) { out[0] = 1.0 / a[0]; out[1] = 1.0 / a[1]; out[2] = 1.0 / a[2]; out[3] = 1.0 / a[3]; return out; -}; +} /** * Normalize a vec4 @@ -1654,21 +2324,21 @@ vec4.inverse = function(out, a) { * @param {vec4} a vector to normalize * @returns {vec4} out */ -vec4.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - var len = x*x + y*y + z*z + w*w; - if (len > 0) { - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - out[3] = a[3] * len; - } - return out; -}; +function normalize(out, a) { + var x = a[0]; + var y = a[1]; + var z = a[2]; + var w = a[3]; + var len = x * x + y * y + z * z + w * w; + if (len > 0) { + len = 1 / Math.sqrt(len); + out[0] = x * len; + out[1] = y * len; + out[2] = z * len; + out[3] = w * len; + } + return out; +} /** * Calculates the dot product of two vec4's @@ -1677,9 +2347,9 @@ vec4.normalize = function(out, a) { * @param {vec4} b the second operand * @returns {Number} dot product of a and b */ -vec4.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; -}; +function dot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; +} /** * Performs a linear interpolation between two vec4's @@ -1690,17 +2360,17 @@ vec4.dot = function (a, b) { * @param {Number} t interpolation amount between the two inputs * @returns {vec4} out */ -vec4.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2], - aw = a[3]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - out[3] = aw + t * (b[3] - aw); - return out; -}; +function lerp(out, a, b, t) { + var ax = a[0]; + var ay = a[1]; + var az = a[2]; + var aw = a[3]; + out[0] = ax + t * (b[0] - ax); + out[1] = ay + t * (b[1] - ay); + out[2] = az + t * (b[2] - az); + out[3] = aw + t * (b[3] - aw); + return out; +} /** * Generates a random vector with the given scale @@ -1709,18 +2379,18 @@ vec4.lerp = function (out, a, b, t) { * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned * @returns {vec4} out */ -vec4.random = function (out, scale) { - scale = scale || 1.0; +function random(out, vectorScale) { + vectorScale = vectorScale || 1.0; - //TODO: This is a pretty awful way of doing this. Find something better. - out[0] = GLMAT_RANDOM(); - out[1] = GLMAT_RANDOM(); - out[2] = GLMAT_RANDOM(); - out[3] = GLMAT_RANDOM(); - vec4.normalize(out, out); - vec4.scale(out, out, scale); - return out; -}; + //TODO: This is a pretty awful way of doing this. Find something better. + out[0] = glMatrix.RANDOM(); + out[1] = glMatrix.RANDOM(); + out[2] = glMatrix.RANDOM(); + out[3] = glMatrix.RANDOM(); + normalize(out, out); + scale(out, out, vectorScale); + return out; +} /** * Transforms the vec4 with a mat4. @@ -1730,14 +2400,17 @@ vec4.random = function (out, scale) { * @param {mat4} m matrix to transform with * @returns {vec4} out */ -vec4.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2], w = a[3]; - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w; - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w; - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w; - out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w; - return out; -}; +function transformMat4(out, a, m) { + var x = a[0], + y = a[1], + z = a[2], + w = a[3]; + out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w; + out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w; + out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w; + out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w; + return out; +} /** * Transforms the vec4 with a quat @@ -1747,22 +2420,110 @@ vec4.transformMat4 = function(out, a, m) { * @param {quat} q quaternion to transform with * @returns {vec4} out */ -vec4.transformQuat = function(out, a, q) { - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], +function transformQuat(out, a, q) { + var x = a[0], + y = a[1], + z = a[2]; + var qx = q[0], + qy = q[1], + qz = q[2], + qw = q[3]; - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; + // calculate quat * vec + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = -qx * x - qy * y - qz * z; - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; + // calculate result * inverse quat + out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; + out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; + out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; + out[3] = a[3]; + return out; +} + +/** + * Returns a string representation of a vector + * + * @param {vec4} a vector to represent as a string + * @returns {String} string representation of the vector + */ +function str(a) { + return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; +} + +/** + * Returns whether or not the vectors have exactly the same elements in the same position (when compared with ===) + * + * @param {vec4} a The first vector. + * @param {vec4} b The second vector. + * @returns {Boolean} True if the vectors are equal, false otherwise. + */ +function exactEquals(a, b) { + return a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]; +} + +/** + * Returns whether or not the vectors have approximately the same elements in the same position. + * + * @param {vec4} a The first vector. + * @param {vec4} b The second vector. + * @returns {Boolean} True if the vectors are equal, false otherwise. + */ +function equals(a, b) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; + var b0 = b[0], + b1 = b[1], + b2 = b[2], + b3 = b[3]; + return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)); +} + +/** + * Alias for {@link vec4.subtract} + * @function + */ +var sub = exports.sub = subtract; + +/** + * Alias for {@link vec4.multiply} + * @function + */ +var mul = exports.mul = multiply; + +/** + * Alias for {@link vec4.divide} + * @function + */ +var div = exports.div = divide; + +/** + * Alias for {@link vec4.distance} + * @function + */ +var dist = exports.dist = distance; + +/** + * Alias for {@link vec4.squaredDistance} + * @function + */ +var sqrDist = exports.sqrDist = squaredDistance; + +/** + * Alias for {@link vec4.length} + * @function + */ +var len = exports.len = length; + +/** + * Alias for {@link vec4.squaredLength} + * @function + */ +var sqrLen = exports.sqrLen = squaredLength; /** * Perform some operation over an array of vec4s. @@ -1776,91 +2537,182 @@ vec4.transformQuat = function(out, a, q) { * @returns {Array} a * @function */ -vec4.forEach = (function() { - var vec = vec4.create(); +var forEach = exports.forEach = function () { + var vec = create(); - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 4; - } + return function (a, stride, offset, count, fn, arg) { + var i = void 0, + l = void 0; + if (!stride) { + stride = 4; + } - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } + if (!offset) { + offset = 0; + } - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3]; - } - - return a; - }; -})(); + if (count) { + l = Math.min(count * stride + offset, a.length); + } else { + l = a.length; + } + + for (i = offset; i < l; i += stride) { + vec[0] = a[i];vec[1] = a[i + 1];vec[2] = a[i + 2];vec[3] = a[i + 3]; + fn(vec, vec, arg); + a[i] = vec[0];a[i + 1] = vec[1];a[i + 2] = vec[2];a[i + 3] = vec[3]; + } + + return a; + }; +}(); + +/***/ }), +/* 4 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.vec4 = exports.vec3 = exports.vec2 = exports.quat = exports.mat4 = exports.mat3 = exports.mat2d = exports.mat2 = exports.glMatrix = undefined; + +var _common = __webpack_require__(0); + +var glMatrix = _interopRequireWildcard(_common); + +var _mat = __webpack_require__(5); + +var mat2 = _interopRequireWildcard(_mat); + +var _mat2d = __webpack_require__(6); + +var mat2d = _interopRequireWildcard(_mat2d); + +var _mat2 = __webpack_require__(1); + +var mat3 = _interopRequireWildcard(_mat2); + +var _mat3 = __webpack_require__(7); + +var mat4 = _interopRequireWildcard(_mat3); + +var _quat = __webpack_require__(8); + +var quat = _interopRequireWildcard(_quat); + +var _vec = __webpack_require__(9); + +var vec2 = _interopRequireWildcard(_vec); + +var _vec2 = __webpack_require__(2); + +var vec3 = _interopRequireWildcard(_vec2); + +var _vec3 = __webpack_require__(3); + +var vec4 = _interopRequireWildcard(_vec3); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } + +exports.glMatrix = glMatrix; +exports.mat2 = mat2; +exports.mat2d = mat2d; +exports.mat3 = mat3; +exports.mat4 = mat4; +exports.quat = quat; +exports.vec2 = vec2; +exports.vec3 = vec3; +exports.vec4 = vec4; /** + * @fileoverview gl-matrix - High performance matrix and vector operations + * @author Brandon Jones + * @author Colin MacKenzie IV + * @version 2.4.0 + */ + +/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. */ +// END HEADER + +/***/ }), +/* 5 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.sub = exports.mul = undefined; +exports.create = create; +exports.clone = clone; +exports.copy = copy; +exports.identity = identity; +exports.fromValues = fromValues; +exports.set = set; +exports.transpose = transpose; +exports.invert = invert; +exports.adjoint = adjoint; +exports.determinant = determinant; +exports.multiply = multiply; +exports.rotate = rotate; +exports.scale = scale; +exports.fromRotation = fromRotation; +exports.fromScaling = fromScaling; +exports.str = str; +exports.frob = frob; +exports.LDU = LDU; +exports.add = add; +exports.subtract = subtract; +exports.exactEquals = exactEquals; +exports.equals = equals; +exports.multiplyScalar = multiplyScalar; +exports.multiplyScalarAndAdd = multiplyScalarAndAdd; + +var _common = __webpack_require__(0); + +var glMatrix = _interopRequireWildcard(_common); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } /** - * Returns a string representation of a vector - * - * @param {vec4} vec vector to represent as a string - * @returns {String} string representation of the vector + * 2x2 Matrix + * @module mat2 */ -vec4.str = function (a) { - return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec4 = vec4; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 2x2 Matrix - * @name mat2 - */ - -var mat2 = {}; /** * Creates a new identity mat2 * * @returns {mat2} a new 2x2 matrix */ -mat2.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; +function create() { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = 1; + out[1] = 0; + out[2] = 0; + out[3] = 1; + return out; +} /** * Creates a new mat2 initialized with values from an existing matrix @@ -1868,14 +2720,34 @@ mat2.create = function() { * @param {mat2} a matrix to clone * @returns {mat2} a new 2x2 matrix */ -mat2.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; +/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. */ + +function clone(a) { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + out[3] = a[3]; + return out; +} /** * Copy the values from one mat2 to another @@ -1884,13 +2756,13 @@ mat2.clone = function(a) { * @param {mat2} a the source matrix * @returns {mat2} out */ -mat2.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; +function copy(out, a) { + out[0] = a[0]; + out[1] = a[1]; + out[2] = a[2]; + out[3] = a[3]; + return out; +} /** * Set a mat2 to the identity matrix @@ -1898,13 +2770,49 @@ mat2.copy = function(out, a) { * @param {mat2} out the receiving matrix * @returns {mat2} out */ -mat2.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; +function identity(out) { + out[0] = 1; + out[1] = 0; + out[2] = 0; + out[3] = 1; + return out; +} + +/** + * Create a new mat2 with the given values + * + * @param {Number} m00 Component in column 0, row 0 position (index 0) + * @param {Number} m01 Component in column 0, row 1 position (index 1) + * @param {Number} m10 Component in column 1, row 0 position (index 2) + * @param {Number} m11 Component in column 1, row 1 position (index 3) + * @returns {mat2} out A new 2x2 matrix + */ +function fromValues(m00, m01, m10, m11) { + var out = new glMatrix.ARRAY_TYPE(4); + out[0] = m00; + out[1] = m01; + out[2] = m10; + out[3] = m11; + return out; +} + +/** + * Set the components of a mat2 to the given values + * + * @param {mat2} out the receiving matrix + * @param {Number} m00 Component in column 0, row 0 position (index 0) + * @param {Number} m01 Component in column 0, row 1 position (index 1) + * @param {Number} m10 Component in column 1, row 0 position (index 2) + * @param {Number} m11 Component in column 1, row 1 position (index 3) + * @returns {mat2} out + */ +function set(out, m00, m01, m10, m11) { + out[0] = m00; + out[1] = m01; + out[2] = m10; + out[3] = m11; + return out; +} /** * Transpose the values of a mat2 @@ -1913,21 +2821,22 @@ mat2.identity = function(out) { * @param {mat2} a the source matrix * @returns {mat2} out */ -mat2.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a1 = a[1]; - out[1] = a[2]; - out[2] = a1; - } else { - out[0] = a[0]; - out[1] = a[2]; - out[2] = a[1]; - out[3] = a[3]; - } - - return out; -}; +function transpose(out, a) { + // If we are transposing ourselves we can skip a few steps but have to cache + // some values + if (out === a) { + var a1 = a[1]; + out[1] = a[2]; + out[2] = a1; + } else { + out[0] = a[0]; + out[1] = a[2]; + out[2] = a[1]; + out[3] = a[3]; + } + + return out; +} /** * Inverts a mat2 @@ -1936,24 +2845,27 @@ mat2.transpose = function(out, a) { * @param {mat2} a the source matrix * @returns {mat2} out */ -mat2.invert = function(out, a) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], +function invert(out, a) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; - // Calculate the determinant - det = a0 * a3 - a2 * a1; + // Calculate the determinant + var det = a0 * a3 - a2 * a1; - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = a3 * det; - out[1] = -a1 * det; - out[2] = -a2 * det; - out[3] = a0 * det; + if (!det) { + return null; + } + det = 1.0 / det; - return out; -}; + out[0] = a3 * det; + out[1] = -a1 * det; + out[2] = -a2 * det; + out[3] = a0 * det; + + return out; +} /** * Calculates the adjugate of a mat2 @@ -1962,16 +2874,16 @@ mat2.invert = function(out, a) { * @param {mat2} a the source matrix * @returns {mat2} out */ -mat2.adjoint = function(out, a) { - // Caching this value is nessecary if out == a - var a0 = a[0]; - out[0] = a[3]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = a0; +function adjoint(out, a) { + // Caching this value is nessecary if out == a + var a0 = a[0]; + out[0] = a[3]; + out[1] = -a[1]; + out[2] = -a[2]; + out[3] = a0; - return out; -}; + return out; +} /** * Calculates the determinant of a mat2 @@ -1979,9 +2891,9 @@ mat2.adjoint = function(out, a) { * @param {mat2} a the source matrix * @returns {Number} determinant of a */ -mat2.determinant = function (a) { - return a[0] * a[3] - a[2] * a[1]; -}; +function determinant(a) { + return a[0] * a[3] - a[2] * a[1]; +} /** * Multiplies two mat2's @@ -1991,21 +2903,21 @@ mat2.determinant = function (a) { * @param {mat2} b the second operand * @returns {mat2} out */ -mat2.multiply = function (out, a, b) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3]; - var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3]; - out[0] = a0 * b0 + a2 * b1; - out[1] = a1 * b0 + a3 * b1; - out[2] = a0 * b2 + a2 * b3; - out[3] = a1 * b2 + a3 * b3; - return out; -}; - -/** - * Alias for {@link mat2.multiply} - * @function - */ -mat2.mul = mat2.multiply; +function multiply(out, a, b) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; + var b0 = b[0], + b1 = b[1], + b2 = b[2], + b3 = b[3]; + out[0] = a0 * b0 + a2 * b1; + out[1] = a1 * b0 + a3 * b1; + out[2] = a0 * b2 + a2 * b3; + out[3] = a1 * b2 + a3 * b3; + return out; +} /** * Rotates a mat2 by the given angle @@ -2015,16 +2927,19 @@ mat2.mul = mat2.multiply; * @param {Number} rad the angle to rotate the matrix by * @returns {mat2} out */ -mat2.rotate = function (out, a, rad) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - s = Math.sin(rad), - c = Math.cos(rad); - out[0] = a0 * c + a2 * s; - out[1] = a1 * c + a3 * s; - out[2] = a0 * -s + a2 * c; - out[3] = a1 * -s + a3 * c; - return out; -}; +function rotate(out, a, rad) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; + var s = Math.sin(rad); + var c = Math.cos(rad); + out[0] = a0 * c + a2 * s; + out[1] = a1 * c + a3 * s; + out[2] = a0 * -s + a2 * c; + out[3] = a1 * -s + a3 * c; + return out; +} /** * Scales the mat2 by the dimensions in the given vec2 @@ -2034,25 +2949,69 @@ mat2.rotate = function (out, a, rad) { * @param {vec2} v the vec2 to scale the matrix by * @returns {mat2} out **/ -mat2.scale = function(out, a, v) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - v0 = v[0], v1 = v[1]; - out[0] = a0 * v0; - out[1] = a1 * v0; - out[2] = a2 * v1; - out[3] = a3 * v1; - return out; -}; +function scale(out, a, v) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; + var v0 = v[0], + v1 = v[1]; + out[0] = a0 * v0; + out[1] = a1 * v0; + out[2] = a2 * v1; + out[3] = a3 * v1; + return out; +} + +/** + * Creates a matrix from a given angle + * This is equivalent to (but much faster than): + * + * mat2.identity(dest); + * mat2.rotate(dest, dest, rad); + * + * @param {mat2} out mat2 receiving operation result + * @param {Number} rad the angle to rotate the matrix by + * @returns {mat2} out + */ +function fromRotation(out, rad) { + var s = Math.sin(rad); + var c = Math.cos(rad); + out[0] = c; + out[1] = s; + out[2] = -s; + out[3] = c; + return out; +} + +/** + * Creates a matrix from a vector scaling + * This is equivalent to (but much faster than): + * + * mat2.identity(dest); + * mat2.scale(dest, dest, vec); + * + * @param {mat2} out mat2 receiving operation result + * @param {vec2} v Scaling vector + * @returns {mat2} out + */ +function fromScaling(out, v) { + out[0] = v[0]; + out[1] = 0; + out[2] = 0; + out[3] = v[1]; + return out; +} /** * Returns a string representation of a mat2 * - * @param {mat2} mat matrix to represent as a string + * @param {mat2} a matrix to represent as a string * @returns {String} string representation of the matrix */ -mat2.str = function (a) { - return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; +function str(a) { + return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; +} /** * Returns Frobenius norm of a mat2 @@ -2060,57 +3019,179 @@ mat2.str = function (a) { * @param {mat2} a the matrix to calculate Frobenius norm of * @returns {Number} Frobenius norm */ -mat2.frob = function (a) { - return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2))) -}; +function frob(a) { + return Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2)); +} /** * Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix - * @param {mat2} L the lower triangular matrix - * @param {mat2} D the diagonal matrix - * @param {mat2} U the upper triangular matrix + * @param {mat2} L the lower triangular matrix + * @param {mat2} D the diagonal matrix + * @param {mat2} U the upper triangular matrix * @param {mat2} a the input matrix to factorize */ -mat2.LDU = function (L, D, U, a) { - L[2] = a[2]/a[0]; - U[0] = a[0]; - U[1] = a[1]; - U[3] = a[3] - L[2] * U[1]; - return [L, D, U]; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat2 = mat2; +function LDU(L, D, U, a) { + L[2] = a[2] / a[0]; + U[0] = a[0]; + U[1] = a[1]; + U[3] = a[3] - L[2] * U[1]; + return [L, D, U]; } -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** - * @class 2x3 Matrix - * @name mat2d - * - * @description + * Adds two mat2's + * + * @param {mat2} out the receiving matrix + * @param {mat2} a the first operand + * @param {mat2} b the second operand + * @returns {mat2} out + */ +function add(out, a, b) { + out[0] = a[0] + b[0]; + out[1] = a[1] + b[1]; + out[2] = a[2] + b[2]; + out[3] = a[3] + b[3]; + return out; +} + +/** + * Subtracts matrix b from matrix a + * + * @param {mat2} out the receiving matrix + * @param {mat2} a the first operand + * @param {mat2} b the second operand + * @returns {mat2} out + */ +function subtract(out, a, b) { + out[0] = a[0] - b[0]; + out[1] = a[1] - b[1]; + out[2] = a[2] - b[2]; + out[3] = a[3] - b[3]; + return out; +} + +/** + * Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===) + * + * @param {mat2} a The first matrix. + * @param {mat2} b The second matrix. + * @returns {Boolean} True if the matrices are equal, false otherwise. + */ +function exactEquals(a, b) { + return a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]; +} + +/** + * Returns whether or not the matrices have approximately the same elements in the same position. + * + * @param {mat2} a The first matrix. + * @param {mat2} b The second matrix. + * @returns {Boolean} True if the matrices are equal, false otherwise. + */ +function equals(a, b) { + var a0 = a[0], + a1 = a[1], + a2 = a[2], + a3 = a[3]; + var b0 = b[0], + b1 = b[1], + b2 = b[2], + b3 = b[3]; + return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)); +} + +/** + * Multiply each element of the matrix by a scalar. + * + * @param {mat2} out the receiving matrix + * @param {mat2} a the matrix to scale + * @param {Number} b amount to scale the matrix's elements by + * @returns {mat2} out + */ +function multiplyScalar(out, a, b) { + out[0] = a[0] * b; + out[1] = a[1] * b; + out[2] = a[2] * b; + out[3] = a[3] * b; + return out; +} + +/** + * Adds two mat2's after multiplying each element of the second operand by a scalar value. + * + * @param {mat2} out the receiving vector + * @param {mat2} a the first operand + * @param {mat2} b the second operand + * @param {Number} scale the amount to scale b's elements by before adding + * @returns {mat2} out + */ +function multiplyScalarAndAdd(out, a, b, scale) { + out[0] = a[0] + b[0] * scale; + out[1] = a[1] + b[1] * scale; + out[2] = a[2] + b[2] * scale; + out[3] = a[3] + b[3] * scale; + return out; +} + +/** + * Alias for {@link mat2.multiply} + * @function + */ +var mul = exports.mul = multiply; + +/** + * Alias for {@link mat2.subtract} + * @function + */ +var sub = exports.sub = subtract; + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.sub = exports.mul = undefined; +exports.create = create; +exports.clone = clone; +exports.copy = copy; +exports.identity = identity; +exports.fromValues = fromValues; +exports.set = set; +exports.invert = invert; +exports.determinant = determinant; +exports.multiply = multiply; +exports.rotate = rotate; +exports.scale = scale; +exports.translate = translate; +exports.fromRotation = fromRotation; +exports.fromScaling = fromScaling; +exports.fromTranslation = fromTranslation; +exports.str = str; +exports.frob = frob; +exports.add = add; +exports.subtract = subtract; +exports.multiplyScalar = multiplyScalar; +exports.multiplyScalarAndAdd = multiplyScalarAndAdd; +exports.exactEquals = exactEquals; +exports.equals = equals; + +var _common = __webpack_require__(0); + +var glMatrix = _interopRequireWildcard(_common); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } + +/** + * 2x3 Matrix + * @module mat2d + * + * @description * A mat2d contains six elements defined as: * 
  * [a, c, tx,
@@ -2125,23 +3206,21 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  * The last row is ignored so the array is shorter and operations are faster.
  */
 
-var mat2d = {};
-
 /**
  * Creates a new identity mat2d
  *
  * @returns {mat2d} a new 2x3 matrix
  */
-mat2d.create = function() {
-    var out = new GLMAT_ARRAY_TYPE(6);
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 1;
-    out[4] = 0;
-    out[5] = 0;
-    return out;
-};
+function create() {
+  var out = new glMatrix.ARRAY_TYPE(6);
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 1;
+  out[4] = 0;
+  out[5] = 0;
+  return out;
+}
 
 /**
  * Creates a new mat2d initialized with values from an existing matrix
@@ -2149,16 +3228,36 @@ mat2d.create = function() {
  * @param {mat2d} a matrix to clone
  * @returns {mat2d} a new 2x3 matrix
  */
-mat2d.clone = function(a) {
-    var out = new GLMAT_ARRAY_TYPE(6);
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    return out;
-};
+/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. */
+
+function clone(a) {
+  var out = new glMatrix.ARRAY_TYPE(6);
+  out[0] = a[0];
+  out[1] = a[1];
+  out[2] = a[2];
+  out[3] = a[3];
+  out[4] = a[4];
+  out[5] = a[5];
+  return out;
+}
 
 /**
  * Copy the values from one mat2d to another
@@ -2167,15 +3266,15 @@ mat2d.clone = function(a) {
  * @param {mat2d} a the source matrix
  * @returns {mat2d} out
  */
-mat2d.copy = function(out, a) {
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    return out;
-};
+function copy(out, a) {
+  out[0] = a[0];
+  out[1] = a[1];
+  out[2] = a[2];
+  out[3] = a[3];
+  out[4] = a[4];
+  out[5] = a[5];
+  return out;
+}
 
 /**
  * Set a mat2d to the identity matrix
@@ -2183,15 +3282,59 @@ mat2d.copy = function(out, a) {
  * @param {mat2d} out the receiving matrix
  * @returns {mat2d} out
  */
-mat2d.identity = function(out) {
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 1;
-    out[4] = 0;
-    out[5] = 0;
-    return out;
-};
+function identity(out) {
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 1;
+  out[4] = 0;
+  out[5] = 0;
+  return out;
+}
+
+/**
+ * Create a new mat2d with the given values
+ *
+ * @param {Number} a Component A (index 0)
+ * @param {Number} b Component B (index 1)
+ * @param {Number} c Component C (index 2)
+ * @param {Number} d Component D (index 3)
+ * @param {Number} tx Component TX (index 4)
+ * @param {Number} ty Component TY (index 5)
+ * @returns {mat2d} A new mat2d
+ */
+function fromValues(a, b, c, d, tx, ty) {
+  var out = new glMatrix.ARRAY_TYPE(6);
+  out[0] = a;
+  out[1] = b;
+  out[2] = c;
+  out[3] = d;
+  out[4] = tx;
+  out[5] = ty;
+  return out;
+}
+
+/**
+ * Set the components of a mat2d to the given values
+ *
+ * @param {mat2d} out the receiving matrix
+ * @param {Number} a Component A (index 0)
+ * @param {Number} b Component B (index 1)
+ * @param {Number} c Component C (index 2)
+ * @param {Number} d Component D (index 3)
+ * @param {Number} tx Component TX (index 4)
+ * @param {Number} ty Component TY (index 5)
+ * @returns {mat2d} out
+ */
+function set(out, a, b, c, d, tx, ty) {
+  out[0] = a;
+  out[1] = b;
+  out[2] = c;
+  out[3] = d;
+  out[4] = tx;
+  out[5] = ty;
+  return out;
+}
 
 /**
  * Inverts a mat2d
@@ -2200,24 +3343,28 @@ mat2d.identity = function(out) {
  * @param {mat2d} a the source matrix
  * @returns {mat2d} out
  */
-mat2d.invert = function(out, a) {
-    var aa = a[0], ab = a[1], ac = a[2], ad = a[3],
-        atx = a[4], aty = a[5];
+function invert(out, a) {
+  var aa = a[0],
+      ab = a[1],
+      ac = a[2],
+      ad = a[3];
+  var atx = a[4],
+      aty = a[5];
 
-    var det = aa * ad - ab * ac;
-    if(!det){
-        return null;
-    }
-    det = 1.0 / det;
+  var det = aa * ad - ab * ac;
+  if (!det) {
+    return null;
+  }
+  det = 1.0 / det;
 
-    out[0] = ad * det;
-    out[1] = -ab * det;
-    out[2] = -ac * det;
-    out[3] = aa * det;
-    out[4] = (ac * aty - ad * atx) * det;
-    out[5] = (ab * atx - aa * aty) * det;
-    return out;
-};
+  out[0] = ad * det;
+  out[1] = -ab * det;
+  out[2] = -ac * det;
+  out[3] = aa * det;
+  out[4] = (ac * aty - ad * atx) * det;
+  out[5] = (ab * atx - aa * aty) * det;
+  return out;
+}
 
 /**
  * Calculates the determinant of a mat2d
@@ -2225,9 +3372,9 @@ mat2d.invert = function(out, a) {
  * @param {mat2d} a the source matrix
  * @returns {Number} determinant of a
  */
-mat2d.determinant = function (a) {
-    return a[0] * a[3] - a[1] * a[2];
-};
+function determinant(a) {
+  return a[0] * a[3] - a[1] * a[2];
+}
 
 /**
  * Multiplies two mat2d's
@@ -2237,24 +3384,27 @@ mat2d.determinant = function (a) {
  * @param {mat2d} b the second operand
  * @returns {mat2d} out
  */
-mat2d.multiply = function (out, a, b) {
-    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
-        b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5];
-    out[0] = a0 * b0 + a2 * b1;
-    out[1] = a1 * b0 + a3 * b1;
-    out[2] = a0 * b2 + a2 * b3;
-    out[3] = a1 * b2 + a3 * b3;
-    out[4] = a0 * b4 + a2 * b5 + a4;
-    out[5] = a1 * b4 + a3 * b5 + a5;
-    return out;
-};
-
-/**
- * Alias for {@link mat2d.multiply}
- * @function
- */
-mat2d.mul = mat2d.multiply;
-
+function multiply(out, a, b) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3],
+      a4 = a[4],
+      a5 = a[5];
+  var b0 = b[0],
+      b1 = b[1],
+      b2 = b[2],
+      b3 = b[3],
+      b4 = b[4],
+      b5 = b[5];
+  out[0] = a0 * b0 + a2 * b1;
+  out[1] = a1 * b0 + a3 * b1;
+  out[2] = a0 * b2 + a2 * b3;
+  out[3] = a1 * b2 + a3 * b3;
+  out[4] = a0 * b4 + a2 * b5 + a4;
+  out[5] = a1 * b4 + a3 * b5 + a5;
+  return out;
+}
 
 /**
  * Rotates a mat2d by the given angle
@@ -2264,18 +3414,23 @@ mat2d.mul = mat2d.multiply;
  * @param {Number} rad the angle to rotate the matrix by
  * @returns {mat2d} out
  */
-mat2d.rotate = function (out, a, rad) {
-    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
-        s = Math.sin(rad),
-        c = Math.cos(rad);
-    out[0] = a0 *  c + a2 * s;
-    out[1] = a1 *  c + a3 * s;
-    out[2] = a0 * -s + a2 * c;
-    out[3] = a1 * -s + a3 * c;
-    out[4] = a4;
-    out[5] = a5;
-    return out;
-};
+function rotate(out, a, rad) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3],
+      a4 = a[4],
+      a5 = a[5];
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+  out[0] = a0 * c + a2 * s;
+  out[1] = a1 * c + a3 * s;
+  out[2] = a0 * -s + a2 * c;
+  out[3] = a1 * -s + a3 * c;
+  out[4] = a4;
+  out[5] = a5;
+  return out;
+}
 
 /**
  * Scales the mat2d by the dimensions in the given vec2
@@ -2285,17 +3440,23 @@ mat2d.rotate = function (out, a, rad) {
  * @param {vec2} v the vec2 to scale the matrix by
  * @returns {mat2d} out
  **/
-mat2d.scale = function(out, a, v) {
-    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
-        v0 = v[0], v1 = v[1];
-    out[0] = a0 * v0;
-    out[1] = a1 * v0;
-    out[2] = a2 * v1;
-    out[3] = a3 * v1;
-    out[4] = a4;
-    out[5] = a5;
-    return out;
-};
+function scale(out, a, v) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3],
+      a4 = a[4],
+      a5 = a[5];
+  var v0 = v[0],
+      v1 = v[1];
+  out[0] = a0 * v0;
+  out[1] = a1 * v0;
+  out[2] = a2 * v1;
+  out[3] = a3 * v1;
+  out[4] = a4;
+  out[5] = a5;
+  return out;
+}
 
 /**
  * Translates the mat2d by the dimensions in the given vec2
@@ -2305,17 +3466,88 @@ mat2d.scale = function(out, a, v) {
  * @param {vec2} v the vec2 to translate the matrix by
  * @returns {mat2d} out
  **/
-mat2d.translate = function(out, a, v) {
-    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
-        v0 = v[0], v1 = v[1];
-    out[0] = a0;
-    out[1] = a1;
-    out[2] = a2;
-    out[3] = a3;
-    out[4] = a0 * v0 + a2 * v1 + a4;
-    out[5] = a1 * v0 + a3 * v1 + a5;
-    return out;
-};
+function translate(out, a, v) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3],
+      a4 = a[4],
+      a5 = a[5];
+  var v0 = v[0],
+      v1 = v[1];
+  out[0] = a0;
+  out[1] = a1;
+  out[2] = a2;
+  out[3] = a3;
+  out[4] = a0 * v0 + a2 * v1 + a4;
+  out[5] = a1 * v0 + a3 * v1 + a5;
+  return out;
+}
+
+/**
+ * Creates a matrix from a given angle
+ * This is equivalent to (but much faster than):
+ *
+ *     mat2d.identity(dest);
+ *     mat2d.rotate(dest, dest, rad);
+ *
+ * @param {mat2d} out mat2d receiving operation result
+ * @param {Number} rad the angle to rotate the matrix by
+ * @returns {mat2d} out
+ */
+function fromRotation(out, rad) {
+  var s = Math.sin(rad),
+      c = Math.cos(rad);
+  out[0] = c;
+  out[1] = s;
+  out[2] = -s;
+  out[3] = c;
+  out[4] = 0;
+  out[5] = 0;
+  return out;
+}
+
+/**
+ * Creates a matrix from a vector scaling
+ * This is equivalent to (but much faster than):
+ *
+ *     mat2d.identity(dest);
+ *     mat2d.scale(dest, dest, vec);
+ *
+ * @param {mat2d} out mat2d receiving operation result
+ * @param {vec2} v Scaling vector
+ * @returns {mat2d} out
+ */
+function fromScaling(out, v) {
+  out[0] = v[0];
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = v[1];
+  out[4] = 0;
+  out[5] = 0;
+  return out;
+}
+
+/**
+ * Creates a matrix from a vector translation
+ * This is equivalent to (but much faster than):
+ *
+ *     mat2d.identity(dest);
+ *     mat2d.translate(dest, dest, vec);
+ *
+ * @param {mat2d} out mat2d receiving operation result
+ * @param {vec2} v Translation vector
+ * @returns {mat2d} out
+ */
+function fromTranslation(out, v) {
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 1;
+  out[4] = v[0];
+  out[5] = v[1];
+  return out;
+}
 
 /**
  * Returns a string representation of a mat2d
@@ -2323,10 +3555,9 @@ mat2d.translate = function(out, a, v) {
  * @param {mat2d} a matrix to represent as a string
  * @returns {String} string representation of the matrix
  */
-mat2d.str = function (a) {
-    return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + 
-                    a[3] + ', ' + a[4] + ', ' + a[5] + ')';
-};
+function str(a) {
+  return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' + a[4] + ', ' + a[5] + ')';
+}
 
 /**
  * Returns Frobenius norm of a mat2d
@@ -2334,559 +3565,221 @@ mat2d.str = function (a) {
  * @param {mat2d} a the matrix to calculate Frobenius norm of
  * @returns {Number} Frobenius norm
  */
-mat2d.frob = function (a) { 
-    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1))
-}; 
-
-if(typeof(exports) !== 'undefined') {
-    exports.mat2d = mat2d;
+function frob(a) {
+  return Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1);
 }
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this
-    list of conditions and the following disclaimer.
-  * Redistributions in binary form must reproduce the above copyright notice,
-    this list of conditions and the following disclaimer in the documentation 
-    and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 /**
- * @class 3x3 Matrix
- * @name mat3
- */
-
-var mat3 = {};
-
-/**
- * Creates a new identity mat3
+ * Adds two mat2d's
  *
- * @returns {mat3} a new 3x3 matrix
+ * @param {mat2d} out the receiving matrix
+ * @param {mat2d} a the first operand
+ * @param {mat2d} b the second operand
+ * @returns {mat2d} out
  */
-mat3.create = function() {
-    var out = new GLMAT_ARRAY_TYPE(9);
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 1;
-    out[5] = 0;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 1;
-    return out;
-};
+function add(out, a, b) {
+  out[0] = a[0] + b[0];
+  out[1] = a[1] + b[1];
+  out[2] = a[2] + b[2];
+  out[3] = a[3] + b[3];
+  out[4] = a[4] + b[4];
+  out[5] = a[5] + b[5];
+  return out;
+}
 
 /**
- * Copies the upper-left 3x3 values into the given mat3.
+ * Subtracts matrix b from matrix a
  *
- * @param {mat3} out the receiving 3x3 matrix
- * @param {mat4} a   the source 4x4 matrix
- * @returns {mat3} out
+ * @param {mat2d} out the receiving matrix
+ * @param {mat2d} a the first operand
+ * @param {mat2d} b the second operand
+ * @returns {mat2d} out
  */
-mat3.fromMat4 = function(out, a) {
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[4];
-    out[4] = a[5];
-    out[5] = a[6];
-    out[6] = a[8];
-    out[7] = a[9];
-    out[8] = a[10];
-    return out;
-};
+function subtract(out, a, b) {
+  out[0] = a[0] - b[0];
+  out[1] = a[1] - b[1];
+  out[2] = a[2] - b[2];
+  out[3] = a[3] - b[3];
+  out[4] = a[4] - b[4];
+  out[5] = a[5] - b[5];
+  return out;
+}
 
 /**
- * Creates a new mat3 initialized with values from an existing matrix
+ * Multiply each element of the matrix by a scalar.
  *
- * @param {mat3} a matrix to clone
- * @returns {mat3} a new 3x3 matrix
+ * @param {mat2d} out the receiving matrix
+ * @param {mat2d} a the matrix to scale
+ * @param {Number} b amount to scale the matrix's elements by
+ * @returns {mat2d} out
  */
-mat3.clone = function(a) {
-    var out = new GLMAT_ARRAY_TYPE(9);
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    out[6] = a[6];
-    out[7] = a[7];
-    out[8] = a[8];
-    return out;
-};
+function multiplyScalar(out, a, b) {
+  out[0] = a[0] * b;
+  out[1] = a[1] * b;
+  out[2] = a[2] * b;
+  out[3] = a[3] * b;
+  out[4] = a[4] * b;
+  out[5] = a[5] * b;
+  return out;
+}
 
 /**
- * Copy the values from one mat3 to another
+ * Adds two mat2d's after multiplying each element of the second operand by a scalar value.
  *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
+ * @param {mat2d} out the receiving vector
+ * @param {mat2d} a the first operand
+ * @param {mat2d} b the second operand
+ * @param {Number} scale the amount to scale b's elements by before adding
+ * @returns {mat2d} out
  */
-mat3.copy = function(out, a) {
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    out[6] = a[6];
-    out[7] = a[7];
-    out[8] = a[8];
-    return out;
-};
+function multiplyScalarAndAdd(out, a, b, scale) {
+  out[0] = a[0] + b[0] * scale;
+  out[1] = a[1] + b[1] * scale;
+  out[2] = a[2] + b[2] * scale;
+  out[3] = a[3] + b[3] * scale;
+  out[4] = a[4] + b[4] * scale;
+  out[5] = a[5] + b[5] * scale;
+  return out;
+}
 
 /**
- * Set a mat3 to the identity matrix
+ * Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)
  *
- * @param {mat3} out the receiving matrix
- * @returns {mat3} out
+ * @param {mat2d} a The first matrix.
+ * @param {mat2d} b The second matrix.
+ * @returns {Boolean} True if the matrices are equal, false otherwise.
  */
-mat3.identity = function(out) {
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 1;
-    out[5] = 0;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 1;
-    return out;
-};
+function exactEquals(a, b) {
+  return a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3] && a[4] === b[4] && a[5] === b[5];
+}
 
 /**
- * Transpose the values of a mat3
+ * Returns whether or not the matrices have approximately the same elements in the same position.
  *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
+ * @param {mat2d} a The first matrix.
+ * @param {mat2d} b The second matrix.
+ * @returns {Boolean} True if the matrices are equal, false otherwise.
  */
-mat3.transpose = function(out, a) {
-    // If we are transposing ourselves we can skip a few steps but have to cache some values
-    if (out === a) {
-        var a01 = a[1], a02 = a[2], a12 = a[5];
-        out[1] = a[3];
-        out[2] = a[6];
-        out[3] = a01;
-        out[5] = a[7];
-        out[6] = a02;
-        out[7] = a12;
-    } else {
-        out[0] = a[0];
-        out[1] = a[3];
-        out[2] = a[6];
-        out[3] = a[1];
-        out[4] = a[4];
-        out[5] = a[7];
-        out[6] = a[2];
-        out[7] = a[5];
-        out[8] = a[8];
-    }
-    
-    return out;
-};
+function equals(a, b) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3],
+      a4 = a[4],
+      a5 = a[5];
+  var b0 = b[0],
+      b1 = b[1],
+      b2 = b[2],
+      b3 = b[3],
+      b4 = b[4],
+      b5 = b[5];
+  return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)) && Math.abs(a4 - b4) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a4), Math.abs(b4)) && Math.abs(a5 - b5) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a5), Math.abs(b5));
+}
 
 /**
- * Inverts a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.invert = function(out, a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8],
-
-        b01 = a22 * a11 - a12 * a21,
-        b11 = -a22 * a10 + a12 * a20,
-        b21 = a21 * a10 - a11 * a20,
-
-        // Calculate the determinant
-        det = a00 * b01 + a01 * b11 + a02 * b21;
-
-    if (!det) { 
-        return null; 
-    }
-    det = 1.0 / det;
-
-    out[0] = b01 * det;
-    out[1] = (-a22 * a01 + a02 * a21) * det;
-    out[2] = (a12 * a01 - a02 * a11) * det;
-    out[3] = b11 * det;
-    out[4] = (a22 * a00 - a02 * a20) * det;
-    out[5] = (-a12 * a00 + a02 * a10) * det;
-    out[6] = b21 * det;
-    out[7] = (-a21 * a00 + a01 * a20) * det;
-    out[8] = (a11 * a00 - a01 * a10) * det;
-    return out;
-};
-
-/**
- * Calculates the adjugate of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.adjoint = function(out, a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8];
-
-    out[0] = (a11 * a22 - a12 * a21);
-    out[1] = (a02 * a21 - a01 * a22);
-    out[2] = (a01 * a12 - a02 * a11);
-    out[3] = (a12 * a20 - a10 * a22);
-    out[4] = (a00 * a22 - a02 * a20);
-    out[5] = (a02 * a10 - a00 * a12);
-    out[6] = (a10 * a21 - a11 * a20);
-    out[7] = (a01 * a20 - a00 * a21);
-    out[8] = (a00 * a11 - a01 * a10);
-    return out;
-};
-
-/**
- * Calculates the determinant of a mat3
- *
- * @param {mat3} a the source matrix
- * @returns {Number} determinant of a
- */
-mat3.determinant = function (a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8];
-
-    return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);
-};
-
-/**
- * Multiplies two mat3's
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the first operand
- * @param {mat3} b the second operand
- * @returns {mat3} out
- */
-mat3.multiply = function (out, a, b) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8],
-
-        b00 = b[0], b01 = b[1], b02 = b[2],
-        b10 = b[3], b11 = b[4], b12 = b[5],
-        b20 = b[6], b21 = b[7], b22 = b[8];
-
-    out[0] = b00 * a00 + b01 * a10 + b02 * a20;
-    out[1] = b00 * a01 + b01 * a11 + b02 * a21;
-    out[2] = b00 * a02 + b01 * a12 + b02 * a22;
-
-    out[3] = b10 * a00 + b11 * a10 + b12 * a20;
-    out[4] = b10 * a01 + b11 * a11 + b12 * a21;
-    out[5] = b10 * a02 + b11 * a12 + b12 * a22;
-
-    out[6] = b20 * a00 + b21 * a10 + b22 * a20;
-    out[7] = b20 * a01 + b21 * a11 + b22 * a21;
-    out[8] = b20 * a02 + b21 * a12 + b22 * a22;
-    return out;
-};
-
-/**
- * Alias for {@link mat3.multiply}
+ * Alias for {@link mat2d.multiply}
  * @function
  */
-mat3.mul = mat3.multiply;
+var mul = exports.mul = multiply;
 
 /**
- * Translate a mat3 by the given vector
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to translate
- * @param {vec2} v vector to translate by
- * @returns {mat3} out
+ * Alias for {@link mat2d.subtract}
+ * @function
  */
-mat3.translate = function(out, a, v) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8],
-        x = v[0], y = v[1];
+var sub = exports.sub = subtract;
 
-    out[0] = a00;
-    out[1] = a01;
-    out[2] = a02;
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
 
-    out[3] = a10;
-    out[4] = a11;
-    out[5] = a12;
+"use strict";
 
-    out[6] = x * a00 + y * a10 + a20;
-    out[7] = x * a01 + y * a11 + a21;
-    out[8] = x * a02 + y * a12 + a22;
-    return out;
-};
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.sub = exports.mul = undefined;
+exports.create = create;
+exports.clone = clone;
+exports.copy = copy;
+exports.fromValues = fromValues;
+exports.set = set;
+exports.identity = identity;
+exports.transpose = transpose;
+exports.invert = invert;
+exports.adjoint = adjoint;
+exports.determinant = determinant;
+exports.multiply = multiply;
+exports.translate = translate;
+exports.scale = scale;
+exports.rotate = rotate;
+exports.rotateX = rotateX;
+exports.rotateY = rotateY;
+exports.rotateZ = rotateZ;
+exports.fromTranslation = fromTranslation;
+exports.fromScaling = fromScaling;
+exports.fromRotation = fromRotation;
+exports.fromXRotation = fromXRotation;
+exports.fromYRotation = fromYRotation;
+exports.fromZRotation = fromZRotation;
+exports.fromRotationTranslation = fromRotationTranslation;
+exports.getTranslation = getTranslation;
+exports.getScaling = getScaling;
+exports.getRotation = getRotation;
+exports.fromRotationTranslationScale = fromRotationTranslationScale;
+exports.fromRotationTranslationScaleOrigin = fromRotationTranslationScaleOrigin;
+exports.fromQuat = fromQuat;
+exports.frustum = frustum;
+exports.perspective = perspective;
+exports.perspectiveFromFieldOfView = perspectiveFromFieldOfView;
+exports.ortho = ortho;
+exports.lookAt = lookAt;
+exports.targetTo = targetTo;
+exports.str = str;
+exports.frob = frob;
+exports.add = add;
+exports.subtract = subtract;
+exports.multiplyScalar = multiplyScalar;
+exports.multiplyScalarAndAdd = multiplyScalarAndAdd;
+exports.exactEquals = exactEquals;
+exports.equals = equals;
+
+var _common = __webpack_require__(0);
+
+var glMatrix = _interopRequireWildcard(_common);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
 
 /**
- * Rotates a mat3 by the given angle
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat3} out
+ * 4x4 Matrix
+ * @module mat4
  */
-mat3.rotate = function (out, a, rad) {
-    var a00 = a[0], a01 = a[1], a02 = a[2],
-        a10 = a[3], a11 = a[4], a12 = a[5],
-        a20 = a[6], a21 = a[7], a22 = a[8],
-
-        s = Math.sin(rad),
-        c = Math.cos(rad);
-
-    out[0] = c * a00 + s * a10;
-    out[1] = c * a01 + s * a11;
-    out[2] = c * a02 + s * a12;
-
-    out[3] = c * a10 - s * a00;
-    out[4] = c * a11 - s * a01;
-    out[5] = c * a12 - s * a02;
-
-    out[6] = a20;
-    out[7] = a21;
-    out[8] = a22;
-    return out;
-};
-
-/**
- * Scales the mat3 by the dimensions in the given vec2
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.scale = function(out, a, v) {
-    var x = v[0], y = v[1];
-
-    out[0] = x * a[0];
-    out[1] = x * a[1];
-    out[2] = x * a[2];
-
-    out[3] = y * a[3];
-    out[4] = y * a[4];
-    out[5] = y * a[5];
-
-    out[6] = a[6];
-    out[7] = a[7];
-    out[8] = a[8];
-    return out;
-};
-
-/**
- * Copies the values from a mat2d into a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat2d} a the matrix to copy
- * @returns {mat3} out
- **/
-mat3.fromMat2d = function(out, a) {
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = 0;
-
-    out[3] = a[2];
-    out[4] = a[3];
-    out[5] = 0;
-
-    out[6] = a[4];
-    out[7] = a[5];
-    out[8] = 1;
-    return out;
-};
-
-/**
-* Calculates a 3x3 matrix from the given quaternion
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {quat} q Quaternion to create matrix from
-*
-* @returns {mat3} out
-*/
-mat3.fromQuat = function (out, q) {
-    var x = q[0], y = q[1], z = q[2], w = q[3],
-        x2 = x + x,
-        y2 = y + y,
-        z2 = z + z,
-
-        xx = x * x2,
-        yx = y * x2,
-        yy = y * y2,
-        zx = z * x2,
-        zy = z * y2,
-        zz = z * z2,
-        wx = w * x2,
-        wy = w * y2,
-        wz = w * z2;
-
-    out[0] = 1 - yy - zz;
-    out[3] = yx - wz;
-    out[6] = zx + wy;
-
-    out[1] = yx + wz;
-    out[4] = 1 - xx - zz;
-    out[7] = zy - wx;
-
-    out[2] = zx - wy;
-    out[5] = zy + wx;
-    out[8] = 1 - xx - yy;
-
-    return out;
-};
-
-/**
-* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {mat4} a Mat4 to derive the normal matrix from
-*
-* @returns {mat3} out
-*/
-mat3.normalFromMat4 = function (out, a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
-        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
-        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
-        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
-        b00 = a00 * a11 - a01 * a10,
-        b01 = a00 * a12 - a02 * a10,
-        b02 = a00 * a13 - a03 * a10,
-        b03 = a01 * a12 - a02 * a11,
-        b04 = a01 * a13 - a03 * a11,
-        b05 = a02 * a13 - a03 * a12,
-        b06 = a20 * a31 - a21 * a30,
-        b07 = a20 * a32 - a22 * a30,
-        b08 = a20 * a33 - a23 * a30,
-        b09 = a21 * a32 - a22 * a31,
-        b10 = a21 * a33 - a23 * a31,
-        b11 = a22 * a33 - a23 * a32,
-
-        // Calculate the determinant
-        det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-
-    if (!det) { 
-        return null; 
-    }
-    det = 1.0 / det;
-
-    out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
-    out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
-    out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
-
-    out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
-    out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
-    out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
-
-    out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
-    out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
-    out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
-
-    return out;
-};
-
-/**
- * Returns a string representation of a mat3
- *
- * @param {mat3} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat3.str = function (a) {
-    return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + 
-                    a[3] + ', ' + a[4] + ', ' + a[5] + ', ' + 
-                    a[6] + ', ' + a[7] + ', ' + a[8] + ')';
-};
-
-/**
- * Returns Frobenius norm of a mat3
- *
- * @param {mat3} a the matrix to calculate Frobenius norm of
- * @returns {Number} Frobenius norm
- */
-mat3.frob = function (a) {
-    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2)))
-};
-
-
-if(typeof(exports) !== 'undefined') {
-    exports.mat3 = mat3;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this
-    list of conditions and the following disclaimer.
-  * Redistributions in binary form must reproduce the above copyright notice,
-    this list of conditions and the following disclaimer in the documentation 
-    and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 4x4 Matrix
- * @name mat4
- */
-
-var mat4 = {};
 
 /**
  * Creates a new identity mat4
  *
  * @returns {mat4} a new 4x4 matrix
  */
-mat4.create = function() {
-    var out = new GLMAT_ARRAY_TYPE(16);
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 0;
-    out[5] = 1;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 0;
-    out[9] = 0;
-    out[10] = 1;
-    out[11] = 0;
-    out[12] = 0;
-    out[13] = 0;
-    out[14] = 0;
-    out[15] = 1;
-    return out;
-};
+function create() {
+  var out = new glMatrix.ARRAY_TYPE(16);
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = 1;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = 1;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
 
 /**
  * Creates a new mat4 initialized with values from an existing matrix
@@ -2894,26 +3787,46 @@ mat4.create = function() {
  * @param {mat4} a matrix to clone
  * @returns {mat4} a new 4x4 matrix
  */
-mat4.clone = function(a) {
-    var out = new GLMAT_ARRAY_TYPE(16);
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    out[6] = a[6];
-    out[7] = a[7];
-    out[8] = a[8];
-    out[9] = a[9];
-    out[10] = a[10];
-    out[11] = a[11];
-    out[12] = a[12];
-    out[13] = a[13];
-    out[14] = a[14];
-    out[15] = a[15];
-    return out;
-};
+/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. */
+
+function clone(a) {
+  var out = new glMatrix.ARRAY_TYPE(16);
+  out[0] = a[0];
+  out[1] = a[1];
+  out[2] = a[2];
+  out[3] = a[3];
+  out[4] = a[4];
+  out[5] = a[5];
+  out[6] = a[6];
+  out[7] = a[7];
+  out[8] = a[8];
+  out[9] = a[9];
+  out[10] = a[10];
+  out[11] = a[11];
+  out[12] = a[12];
+  out[13] = a[13];
+  out[14] = a[14];
+  out[15] = a[15];
+  return out;
+}
 
 /**
  * Copy the values from one mat4 to another
@@ -2922,25 +3835,109 @@ mat4.clone = function(a) {
  * @param {mat4} a the source matrix
  * @returns {mat4} out
  */
-mat4.copy = function(out, a) {
-    out[0] = a[0];
-    out[1] = a[1];
-    out[2] = a[2];
-    out[3] = a[3];
-    out[4] = a[4];
-    out[5] = a[5];
-    out[6] = a[6];
-    out[7] = a[7];
-    out[8] = a[8];
-    out[9] = a[9];
-    out[10] = a[10];
-    out[11] = a[11];
-    out[12] = a[12];
-    out[13] = a[13];
-    out[14] = a[14];
-    out[15] = a[15];
-    return out;
-};
+function copy(out, a) {
+  out[0] = a[0];
+  out[1] = a[1];
+  out[2] = a[2];
+  out[3] = a[3];
+  out[4] = a[4];
+  out[5] = a[5];
+  out[6] = a[6];
+  out[7] = a[7];
+  out[8] = a[8];
+  out[9] = a[9];
+  out[10] = a[10];
+  out[11] = a[11];
+  out[12] = a[12];
+  out[13] = a[13];
+  out[14] = a[14];
+  out[15] = a[15];
+  return out;
+}
+
+/**
+ * Create a new mat4 with the given values
+ *
+ * @param {Number} m00 Component in column 0, row 0 position (index 0)
+ * @param {Number} m01 Component in column 0, row 1 position (index 1)
+ * @param {Number} m02 Component in column 0, row 2 position (index 2)
+ * @param {Number} m03 Component in column 0, row 3 position (index 3)
+ * @param {Number} m10 Component in column 1, row 0 position (index 4)
+ * @param {Number} m11 Component in column 1, row 1 position (index 5)
+ * @param {Number} m12 Component in column 1, row 2 position (index 6)
+ * @param {Number} m13 Component in column 1, row 3 position (index 7)
+ * @param {Number} m20 Component in column 2, row 0 position (index 8)
+ * @param {Number} m21 Component in column 2, row 1 position (index 9)
+ * @param {Number} m22 Component in column 2, row 2 position (index 10)
+ * @param {Number} m23 Component in column 2, row 3 position (index 11)
+ * @param {Number} m30 Component in column 3, row 0 position (index 12)
+ * @param {Number} m31 Component in column 3, row 1 position (index 13)
+ * @param {Number} m32 Component in column 3, row 2 position (index 14)
+ * @param {Number} m33 Component in column 3, row 3 position (index 15)
+ * @returns {mat4} A new mat4
+ */
+function fromValues(m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33) {
+  var out = new glMatrix.ARRAY_TYPE(16);
+  out[0] = m00;
+  out[1] = m01;
+  out[2] = m02;
+  out[3] = m03;
+  out[4] = m10;
+  out[5] = m11;
+  out[6] = m12;
+  out[7] = m13;
+  out[8] = m20;
+  out[9] = m21;
+  out[10] = m22;
+  out[11] = m23;
+  out[12] = m30;
+  out[13] = m31;
+  out[14] = m32;
+  out[15] = m33;
+  return out;
+}
+
+/**
+ * Set the components of a mat4 to the given values
+ *
+ * @param {mat4} out the receiving matrix
+ * @param {Number} m00 Component in column 0, row 0 position (index 0)
+ * @param {Number} m01 Component in column 0, row 1 position (index 1)
+ * @param {Number} m02 Component in column 0, row 2 position (index 2)
+ * @param {Number} m03 Component in column 0, row 3 position (index 3)
+ * @param {Number} m10 Component in column 1, row 0 position (index 4)
+ * @param {Number} m11 Component in column 1, row 1 position (index 5)
+ * @param {Number} m12 Component in column 1, row 2 position (index 6)
+ * @param {Number} m13 Component in column 1, row 3 position (index 7)
+ * @param {Number} m20 Component in column 2, row 0 position (index 8)
+ * @param {Number} m21 Component in column 2, row 1 position (index 9)
+ * @param {Number} m22 Component in column 2, row 2 position (index 10)
+ * @param {Number} m23 Component in column 2, row 3 position (index 11)
+ * @param {Number} m30 Component in column 3, row 0 position (index 12)
+ * @param {Number} m31 Component in column 3, row 1 position (index 13)
+ * @param {Number} m32 Component in column 3, row 2 position (index 14)
+ * @param {Number} m33 Component in column 3, row 3 position (index 15)
+ * @returns {mat4} out
+ */
+function set(out, m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33) {
+  out[0] = m00;
+  out[1] = m01;
+  out[2] = m02;
+  out[3] = m03;
+  out[4] = m10;
+  out[5] = m11;
+  out[6] = m12;
+  out[7] = m13;
+  out[8] = m20;
+  out[9] = m21;
+  out[10] = m22;
+  out[11] = m23;
+  out[12] = m30;
+  out[13] = m31;
+  out[14] = m32;
+  out[15] = m33;
+  return out;
+}
 
 /**
  * Set a mat4 to the identity matrix
@@ -2948,25 +3945,25 @@ mat4.copy = function(out, a) {
  * @param {mat4} out the receiving matrix
  * @returns {mat4} out
  */
-mat4.identity = function(out) {
-    out[0] = 1;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 0;
-    out[5] = 1;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 0;
-    out[9] = 0;
-    out[10] = 1;
-    out[11] = 0;
-    out[12] = 0;
-    out[13] = 0;
-    out[14] = 0;
-    out[15] = 1;
-    return out;
-};
+function identity(out) {
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = 1;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = 1;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
 
 /**
  * Transpose the values of a mat4
@@ -2975,46 +3972,49 @@ mat4.identity = function(out) {
  * @param {mat4} a the source matrix
  * @returns {mat4} out
  */
-mat4.transpose = function(out, a) {
-    // If we are transposing ourselves we can skip a few steps but have to cache some values
-    if (out === a) {
-        var a01 = a[1], a02 = a[2], a03 = a[3],
-            a12 = a[6], a13 = a[7],
-            a23 = a[11];
+function transpose(out, a) {
+  // If we are transposing ourselves we can skip a few steps but have to cache some values
+  if (out === a) {
+    var a01 = a[1],
+        a02 = a[2],
+        a03 = a[3];
+    var a12 = a[6],
+        a13 = a[7];
+    var a23 = a[11];
 
-        out[1] = a[4];
-        out[2] = a[8];
-        out[3] = a[12];
-        out[4] = a01;
-        out[6] = a[9];
-        out[7] = a[13];
-        out[8] = a02;
-        out[9] = a12;
-        out[11] = a[14];
-        out[12] = a03;
-        out[13] = a13;
-        out[14] = a23;
-    } else {
-        out[0] = a[0];
-        out[1] = a[4];
-        out[2] = a[8];
-        out[3] = a[12];
-        out[4] = a[1];
-        out[5] = a[5];
-        out[6] = a[9];
-        out[7] = a[13];
-        out[8] = a[2];
-        out[9] = a[6];
-        out[10] = a[10];
-        out[11] = a[14];
-        out[12] = a[3];
-        out[13] = a[7];
-        out[14] = a[11];
-        out[15] = a[15];
-    }
-    
-    return out;
-};
+    out[1] = a[4];
+    out[2] = a[8];
+    out[3] = a[12];
+    out[4] = a01;
+    out[6] = a[9];
+    out[7] = a[13];
+    out[8] = a02;
+    out[9] = a12;
+    out[11] = a[14];
+    out[12] = a03;
+    out[13] = a13;
+    out[14] = a23;
+  } else {
+    out[0] = a[0];
+    out[1] = a[4];
+    out[2] = a[8];
+    out[3] = a[12];
+    out[4] = a[1];
+    out[5] = a[5];
+    out[6] = a[9];
+    out[7] = a[13];
+    out[8] = a[2];
+    out[9] = a[6];
+    out[10] = a[10];
+    out[11] = a[14];
+    out[12] = a[3];
+    out[13] = a[7];
+    out[14] = a[11];
+    out[15] = a[15];
+  }
+
+  return out;
+}
 
 /**
  * Inverts a mat4
@@ -3023,52 +4023,64 @@ mat4.transpose = function(out, a) {
  * @param {mat4} a the source matrix
  * @returns {mat4} out
  */
-mat4.invert = function(out, a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
-        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
-        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
-        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
+function invert(out, a) {
+  var a00 = a[0],
+      a01 = a[1],
+      a02 = a[2],
+      a03 = a[3];
+  var a10 = a[4],
+      a11 = a[5],
+      a12 = a[6],
+      a13 = a[7];
+  var a20 = a[8],
+      a21 = a[9],
+      a22 = a[10],
+      a23 = a[11];
+  var a30 = a[12],
+      a31 = a[13],
+      a32 = a[14],
+      a33 = a[15];
 
-        b00 = a00 * a11 - a01 * a10,
-        b01 = a00 * a12 - a02 * a10,
-        b02 = a00 * a13 - a03 * a10,
-        b03 = a01 * a12 - a02 * a11,
-        b04 = a01 * a13 - a03 * a11,
-        b05 = a02 * a13 - a03 * a12,
-        b06 = a20 * a31 - a21 * a30,
-        b07 = a20 * a32 - a22 * a30,
-        b08 = a20 * a33 - a23 * a30,
-        b09 = a21 * a32 - a22 * a31,
-        b10 = a21 * a33 - a23 * a31,
-        b11 = a22 * a33 - a23 * a32,
+  var b00 = a00 * a11 - a01 * a10;
+  var b01 = a00 * a12 - a02 * a10;
+  var b02 = a00 * a13 - a03 * a10;
+  var b03 = a01 * a12 - a02 * a11;
+  var b04 = a01 * a13 - a03 * a11;
+  var b05 = a02 * a13 - a03 * a12;
+  var b06 = a20 * a31 - a21 * a30;
+  var b07 = a20 * a32 - a22 * a30;
+  var b08 = a20 * a33 - a23 * a30;
+  var b09 = a21 * a32 - a22 * a31;
+  var b10 = a21 * a33 - a23 * a31;
+  var b11 = a22 * a33 - a23 * a32;
 
-        // Calculate the determinant
-        det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
+  // Calculate the determinant
+  var det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
 
-    if (!det) { 
-        return null; 
-    }
-    det = 1.0 / det;
+  if (!det) {
+    return null;
+  }
+  det = 1.0 / det;
 
-    out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
-    out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
-    out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
-    out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
-    out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
-    out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
-    out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
-    out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
-    out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
-    out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
-    out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
-    out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
-    out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
-    out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
-    out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
-    out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
+  out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
+  out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
+  out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
+  out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
+  out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
+  out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
+  out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
+  out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
+  out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
+  out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
+  out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
+  out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
+  out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
+  out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
+  out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
+  out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
 
-    return out;
-};
+  return out;
+}
 
 /**
  * Calculates the adjugate of a mat4
@@ -3077,30 +4089,42 @@ mat4.invert = function(out, a) {
  * @param {mat4} a the source matrix
  * @returns {mat4} out
  */
-mat4.adjoint = function(out, a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
-        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
-        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
-        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
+function adjoint(out, a) {
+  var a00 = a[0],
+      a01 = a[1],
+      a02 = a[2],
+      a03 = a[3];
+  var a10 = a[4],
+      a11 = a[5],
+      a12 = a[6],
+      a13 = a[7];
+  var a20 = a[8],
+      a21 = a[9],
+      a22 = a[10],
+      a23 = a[11];
+  var a30 = a[12],
+      a31 = a[13],
+      a32 = a[14],
+      a33 = a[15];
 
-    out[0]  =  (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22));
-    out[1]  = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));
-    out[2]  =  (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12));
-    out[3]  = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));
-    out[4]  = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));
-    out[5]  =  (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22));
-    out[6]  = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));
-    out[7]  =  (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12));
-    out[8]  =  (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21));
-    out[9]  = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));
-    out[10] =  (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11));
-    out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));
-    out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));
-    out[13] =  (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21));
-    out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));
-    out[15] =  (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11));
-    return out;
-};
+  out[0] = a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22);
+  out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));
+  out[2] = a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12);
+  out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));
+  out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));
+  out[5] = a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22);
+  out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));
+  out[7] = a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12);
+  out[8] = a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21);
+  out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));
+  out[10] = a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11);
+  out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));
+  out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));
+  out[13] = a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21);
+  out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));
+  out[15] = a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11);
+  return out;
+}
 
 /**
  * Calculates the determinant of a mat4
@@ -3108,75 +4132,96 @@ mat4.adjoint = function(out, a) {
  * @param {mat4} a the source matrix
  * @returns {Number} determinant of a
  */
-mat4.determinant = function (a) {
-    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
-        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
-        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
-        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
+function determinant(a) {
+  var a00 = a[0],
+      a01 = a[1],
+      a02 = a[2],
+      a03 = a[3];
+  var a10 = a[4],
+      a11 = a[5],
+      a12 = a[6],
+      a13 = a[7];
+  var a20 = a[8],
+      a21 = a[9],
+      a22 = a[10],
+      a23 = a[11];
+  var a30 = a[12],
+      a31 = a[13],
+      a32 = a[14],
+      a33 = a[15];
 
-        b00 = a00 * a11 - a01 * a10,
-        b01 = a00 * a12 - a02 * a10,
-        b02 = a00 * a13 - a03 * a10,
-        b03 = a01 * a12 - a02 * a11,
-        b04 = a01 * a13 - a03 * a11,
-        b05 = a02 * a13 - a03 * a12,
-        b06 = a20 * a31 - a21 * a30,
-        b07 = a20 * a32 - a22 * a30,
-        b08 = a20 * a33 - a23 * a30,
-        b09 = a21 * a32 - a22 * a31,
-        b10 = a21 * a33 - a23 * a31,
-        b11 = a22 * a33 - a23 * a32;
+  var b00 = a00 * a11 - a01 * a10;
+  var b01 = a00 * a12 - a02 * a10;
+  var b02 = a00 * a13 - a03 * a10;
+  var b03 = a01 * a12 - a02 * a11;
+  var b04 = a01 * a13 - a03 * a11;
+  var b05 = a02 * a13 - a03 * a12;
+  var b06 = a20 * a31 - a21 * a30;
+  var b07 = a20 * a32 - a22 * a30;
+  var b08 = a20 * a33 - a23 * a30;
+  var b09 = a21 * a32 - a22 * a31;
+  var b10 = a21 * a33 - a23 * a31;
+  var b11 = a22 * a33 - a23 * a32;
 
-    // Calculate the determinant
-    return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-};
+  // Calculate the determinant
+  return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
+}
 
 /**
- * Multiplies two mat4's
+ * Multiplies two mat4s
  *
  * @param {mat4} out the receiving matrix
  * @param {mat4} a the first operand
  * @param {mat4} b the second operand
  * @returns {mat4} out
  */
-mat4.multiply = function (out, a, b) {
-    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
-        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
-        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
-        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
+function multiply(out, a, b) {
+  var a00 = a[0],
+      a01 = a[1],
+      a02 = a[2],
+      a03 = a[3];
+  var a10 = a[4],
+      a11 = a[5],
+      a12 = a[6],
+      a13 = a[7];
+  var a20 = a[8],
+      a21 = a[9],
+      a22 = a[10],
+      a23 = a[11];
+  var a30 = a[12],
+      a31 = a[13],
+      a32 = a[14],
+      a33 = a[15];
 
-    // Cache only the current line of the second matrix
-    var b0  = b[0], b1 = b[1], b2 = b[2], b3 = b[3];  
-    out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
-    out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
-    out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
-    out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
+  // Cache only the current line of the second matrix
+  var b0 = b[0],
+      b1 = b[1],
+      b2 = b[2],
+      b3 = b[3];
+  out[0] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30;
+  out[1] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31;
+  out[2] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32;
+  out[3] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33;
 
-    b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7];
-    out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
-    out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
-    out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
-    out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
+  b0 = b[4];b1 = b[5];b2 = b[6];b3 = b[7];
+  out[4] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30;
+  out[5] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31;
+  out[6] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32;
+  out[7] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33;
 
-    b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11];
-    out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
-    out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
-    out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
-    out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
+  b0 = b[8];b1 = b[9];b2 = b[10];b3 = b[11];
+  out[8] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30;
+  out[9] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31;
+  out[10] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32;
+  out[11] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33;
 
-    b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15];
-    out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
-    out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
-    out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
-    out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-    return out;
-};
-
-/**
- * Alias for {@link mat4.multiply}
- * @function
- */
-mat4.mul = mat4.multiply;
+  b0 = b[12];b1 = b[13];b2 = b[14];b3 = b[15];
+  out[12] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30;
+  out[13] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31;
+  out[14] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32;
+  out[15] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33;
+  return out;
+}
 
 /**
  * Translate a mat4 by the given vector
@@ -3186,67 +4231,80 @@ mat4.mul = mat4.multiply;
  * @param {vec3} v vector to translate by
  * @returns {mat4} out
  */
-mat4.translate = function (out, a, v) {
-    var x = v[0], y = v[1], z = v[2],
-        a00, a01, a02, a03,
-        a10, a11, a12, a13,
-        a20, a21, a22, a23;
+function translate(out, a, v) {
+  var x = v[0],
+      y = v[1],
+      z = v[2];
+  var a00 = void 0,
+      a01 = void 0,
+      a02 = void 0,
+      a03 = void 0;
+  var a10 = void 0,
+      a11 = void 0,
+      a12 = void 0,
+      a13 = void 0;
+  var a20 = void 0,
+      a21 = void 0,
+      a22 = void 0,
+      a23 = void 0;
 
-    if (a === out) {
-        out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
-        out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
-        out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
-        out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
-    } else {
-        a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
-        a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
-        a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
+  if (a === out) {
+    out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
+    out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
+    out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
+    out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
+  } else {
+    a00 = a[0];a01 = a[1];a02 = a[2];a03 = a[3];
+    a10 = a[4];a11 = a[5];a12 = a[6];a13 = a[7];
+    a20 = a[8];a21 = a[9];a22 = a[10];a23 = a[11];
 
-        out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
-        out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
-        out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
+    out[0] = a00;out[1] = a01;out[2] = a02;out[3] = a03;
+    out[4] = a10;out[5] = a11;out[6] = a12;out[7] = a13;
+    out[8] = a20;out[9] = a21;out[10] = a22;out[11] = a23;
 
-        out[12] = a00 * x + a10 * y + a20 * z + a[12];
-        out[13] = a01 * x + a11 * y + a21 * z + a[13];
-        out[14] = a02 * x + a12 * y + a22 * z + a[14];
-        out[15] = a03 * x + a13 * y + a23 * z + a[15];
-    }
+    out[12] = a00 * x + a10 * y + a20 * z + a[12];
+    out[13] = a01 * x + a11 * y + a21 * z + a[13];
+    out[14] = a02 * x + a12 * y + a22 * z + a[14];
+    out[15] = a03 * x + a13 * y + a23 * z + a[15];
+  }
 
-    return out;
-};
+  return out;
+}
 
 /**
- * Scales the mat4 by the dimensions in the given vec3
+ * Scales the mat4 by the dimensions in the given vec3 not using vectorization
  *
  * @param {mat4} out the receiving matrix
  * @param {mat4} a the matrix to scale
  * @param {vec3} v the vec3 to scale the matrix by
  * @returns {mat4} out
  **/
-mat4.scale = function(out, a, v) {
-    var x = v[0], y = v[1], z = v[2];
+function scale(out, a, v) {
+  var x = v[0],
+      y = v[1],
+      z = v[2];
 
-    out[0] = a[0] * x;
-    out[1] = a[1] * x;
-    out[2] = a[2] * x;
-    out[3] = a[3] * x;
-    out[4] = a[4] * y;
-    out[5] = a[5] * y;
-    out[6] = a[6] * y;
-    out[7] = a[7] * y;
-    out[8] = a[8] * z;
-    out[9] = a[9] * z;
-    out[10] = a[10] * z;
-    out[11] = a[11] * z;
-    out[12] = a[12];
-    out[13] = a[13];
-    out[14] = a[14];
-    out[15] = a[15];
-    return out;
-};
+  out[0] = a[0] * x;
+  out[1] = a[1] * x;
+  out[2] = a[2] * x;
+  out[3] = a[3] * x;
+  out[4] = a[4] * y;
+  out[5] = a[5] * y;
+  out[6] = a[6] * y;
+  out[7] = a[7] * y;
+  out[8] = a[8] * z;
+  out[9] = a[9] * z;
+  out[10] = a[10] * z;
+  out[11] = a[11] * z;
+  out[12] = a[12];
+  out[13] = a[13];
+  out[14] = a[14];
+  out[15] = a[15];
+  return out;
+}
 
 /**
- * Rotates a mat4 by the given angle
+ * Rotates a mat4 by the given angle around the given axis
  *
  * @param {mat4} out the receiving matrix
  * @param {mat4} a the matrix to rotate
@@ -3254,59 +4312,81 @@ mat4.scale = function(out, a, v) {
  * @param {vec3} axis the axis to rotate around
  * @returns {mat4} out
  */
-mat4.rotate = function (out, a, rad, axis) {
-    var x = axis[0], y = axis[1], z = axis[2],
-        len = Math.sqrt(x * x + y * y + z * z),
-        s, c, t,
-        a00, a01, a02, a03,
-        a10, a11, a12, a13,
-        a20, a21, a22, a23,
-        b00, b01, b02,
-        b10, b11, b12,
-        b20, b21, b22;
+function rotate(out, a, rad, axis) {
+  var x = axis[0],
+      y = axis[1],
+      z = axis[2];
+  var len = Math.sqrt(x * x + y * y + z * z);
+  var s = void 0,
+      c = void 0,
+      t = void 0;
+  var a00 = void 0,
+      a01 = void 0,
+      a02 = void 0,
+      a03 = void 0;
+  var a10 = void 0,
+      a11 = void 0,
+      a12 = void 0,
+      a13 = void 0;
+  var a20 = void 0,
+      a21 = void 0,
+      a22 = void 0,
+      a23 = void 0;
+  var b00 = void 0,
+      b01 = void 0,
+      b02 = void 0;
+  var b10 = void 0,
+      b11 = void 0,
+      b12 = void 0;
+  var b20 = void 0,
+      b21 = void 0,
+      b22 = void 0;
 
-    if (Math.abs(len) < GLMAT_EPSILON) { return null; }
-    
-    len = 1 / len;
-    x *= len;
-    y *= len;
-    z *= len;
+  if (Math.abs(len) < glMatrix.EPSILON) {
+    return null;
+  }
 
-    s = Math.sin(rad);
-    c = Math.cos(rad);
-    t = 1 - c;
+  len = 1 / len;
+  x *= len;
+  y *= len;
+  z *= len;
 
-    a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
-    a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
-    a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
+  s = Math.sin(rad);
+  c = Math.cos(rad);
+  t = 1 - c;
 
-    // Construct the elements of the rotation matrix
-    b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s;
-    b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s;
-    b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c;
+  a00 = a[0];a01 = a[1];a02 = a[2];a03 = a[3];
+  a10 = a[4];a11 = a[5];a12 = a[6];a13 = a[7];
+  a20 = a[8];a21 = a[9];a22 = a[10];a23 = a[11];
 
-    // Perform rotation-specific matrix multiplication
-    out[0] = a00 * b00 + a10 * b01 + a20 * b02;
-    out[1] = a01 * b00 + a11 * b01 + a21 * b02;
-    out[2] = a02 * b00 + a12 * b01 + a22 * b02;
-    out[3] = a03 * b00 + a13 * b01 + a23 * b02;
-    out[4] = a00 * b10 + a10 * b11 + a20 * b12;
-    out[5] = a01 * b10 + a11 * b11 + a21 * b12;
-    out[6] = a02 * b10 + a12 * b11 + a22 * b12;
-    out[7] = a03 * b10 + a13 * b11 + a23 * b12;
-    out[8] = a00 * b20 + a10 * b21 + a20 * b22;
-    out[9] = a01 * b20 + a11 * b21 + a21 * b22;
-    out[10] = a02 * b20 + a12 * b21 + a22 * b22;
-    out[11] = a03 * b20 + a13 * b21 + a23 * b22;
+  // Construct the elements of the rotation matrix
+  b00 = x * x * t + c;b01 = y * x * t + z * s;b02 = z * x * t - y * s;
+  b10 = x * y * t - z * s;b11 = y * y * t + c;b12 = z * y * t + x * s;
+  b20 = x * z * t + y * s;b21 = y * z * t - x * s;b22 = z * z * t + c;
 
-    if (a !== out) { // If the source and destination differ, copy the unchanged last row
-        out[12] = a[12];
-        out[13] = a[13];
-        out[14] = a[14];
-        out[15] = a[15];
-    }
-    return out;
-};
+  // Perform rotation-specific matrix multiplication
+  out[0] = a00 * b00 + a10 * b01 + a20 * b02;
+  out[1] = a01 * b00 + a11 * b01 + a21 * b02;
+  out[2] = a02 * b00 + a12 * b01 + a22 * b02;
+  out[3] = a03 * b00 + a13 * b01 + a23 * b02;
+  out[4] = a00 * b10 + a10 * b11 + a20 * b12;
+  out[5] = a01 * b10 + a11 * b11 + a21 * b12;
+  out[6] = a02 * b10 + a12 * b11 + a22 * b12;
+  out[7] = a03 * b10 + a13 * b11 + a23 * b12;
+  out[8] = a00 * b20 + a10 * b21 + a20 * b22;
+  out[9] = a01 * b20 + a11 * b21 + a21 * b22;
+  out[10] = a02 * b20 + a12 * b21 + a22 * b22;
+  out[11] = a03 * b20 + a13 * b21 + a23 * b22;
+
+  if (a !== out) {
+    // If the source and destination differ, copy the unchanged last row
+    out[12] = a[12];
+    out[13] = a[13];
+    out[14] = a[14];
+    out[15] = a[15];
+  }
+  return out;
+}
 
 /**
  * Rotates a matrix by the given angle around the X axis
@@ -3316,40 +4396,41 @@ mat4.rotate = function (out, a, rad, axis) {
  * @param {Number} rad the angle to rotate the matrix by
  * @returns {mat4} out
  */
-mat4.rotateX = function (out, a, rad) {
-    var s = Math.sin(rad),
-        c = Math.cos(rad),
-        a10 = a[4],
-        a11 = a[5],
-        a12 = a[6],
-        a13 = a[7],
-        a20 = a[8],
-        a21 = a[9],
-        a22 = a[10],
-        a23 = a[11];
+function rotateX(out, a, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+  var a10 = a[4];
+  var a11 = a[5];
+  var a12 = a[6];
+  var a13 = a[7];
+  var a20 = a[8];
+  var a21 = a[9];
+  var a22 = a[10];
+  var a23 = a[11];
 
-    if (a !== out) { // If the source and destination differ, copy the unchanged rows
-        out[0]  = a[0];
-        out[1]  = a[1];
-        out[2]  = a[2];
-        out[3]  = a[3];
-        out[12] = a[12];
-        out[13] = a[13];
-        out[14] = a[14];
-        out[15] = a[15];
-    }
+  if (a !== out) {
+    // If the source and destination differ, copy the unchanged rows
+    out[0] = a[0];
+    out[1] = a[1];
+    out[2] = a[2];
+    out[3] = a[3];
+    out[12] = a[12];
+    out[13] = a[13];
+    out[14] = a[14];
+    out[15] = a[15];
+  }
 
-    // Perform axis-specific matrix multiplication
-    out[4] = a10 * c + a20 * s;
-    out[5] = a11 * c + a21 * s;
-    out[6] = a12 * c + a22 * s;
-    out[7] = a13 * c + a23 * s;
-    out[8] = a20 * c - a10 * s;
-    out[9] = a21 * c - a11 * s;
-    out[10] = a22 * c - a12 * s;
-    out[11] = a23 * c - a13 * s;
-    return out;
-};
+  // Perform axis-specific matrix multiplication
+  out[4] = a10 * c + a20 * s;
+  out[5] = a11 * c + a21 * s;
+  out[6] = a12 * c + a22 * s;
+  out[7] = a13 * c + a23 * s;
+  out[8] = a20 * c - a10 * s;
+  out[9] = a21 * c - a11 * s;
+  out[10] = a22 * c - a12 * s;
+  out[11] = a23 * c - a13 * s;
+  return out;
+}
 
 /**
  * Rotates a matrix by the given angle around the Y axis
@@ -3359,40 +4440,41 @@ mat4.rotateX = function (out, a, rad) {
  * @param {Number} rad the angle to rotate the matrix by
  * @returns {mat4} out
  */
-mat4.rotateY = function (out, a, rad) {
-    var s = Math.sin(rad),
-        c = Math.cos(rad),
-        a00 = a[0],
-        a01 = a[1],
-        a02 = a[2],
-        a03 = a[3],
-        a20 = a[8],
-        a21 = a[9],
-        a22 = a[10],
-        a23 = a[11];
+function rotateY(out, a, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+  var a00 = a[0];
+  var a01 = a[1];
+  var a02 = a[2];
+  var a03 = a[3];
+  var a20 = a[8];
+  var a21 = a[9];
+  var a22 = a[10];
+  var a23 = a[11];
 
-    if (a !== out) { // If the source and destination differ, copy the unchanged rows
-        out[4]  = a[4];
-        out[5]  = a[5];
-        out[6]  = a[6];
-        out[7]  = a[7];
-        out[12] = a[12];
-        out[13] = a[13];
-        out[14] = a[14];
-        out[15] = a[15];
-    }
+  if (a !== out) {
+    // If the source and destination differ, copy the unchanged rows
+    out[4] = a[4];
+    out[5] = a[5];
+    out[6] = a[6];
+    out[7] = a[7];
+    out[12] = a[12];
+    out[13] = a[13];
+    out[14] = a[14];
+    out[15] = a[15];
+  }
 
-    // Perform axis-specific matrix multiplication
-    out[0] = a00 * c - a20 * s;
-    out[1] = a01 * c - a21 * s;
-    out[2] = a02 * c - a22 * s;
-    out[3] = a03 * c - a23 * s;
-    out[8] = a00 * s + a20 * c;
-    out[9] = a01 * s + a21 * c;
-    out[10] = a02 * s + a22 * c;
-    out[11] = a03 * s + a23 * c;
-    return out;
-};
+  // Perform axis-specific matrix multiplication
+  out[0] = a00 * c - a20 * s;
+  out[1] = a01 * c - a21 * s;
+  out[2] = a02 * c - a22 * s;
+  out[3] = a03 * c - a23 * s;
+  out[8] = a00 * s + a20 * c;
+  out[9] = a01 * s + a21 * c;
+  out[10] = a02 * s + a22 * c;
+  out[11] = a03 * s + a23 * c;
+  return out;
+}
 
 /**
  * Rotates a matrix by the given angle around the Z axis
@@ -3402,40 +4484,262 @@ mat4.rotateY = function (out, a, rad) {
  * @param {Number} rad the angle to rotate the matrix by
  * @returns {mat4} out
  */
-mat4.rotateZ = function (out, a, rad) {
-    var s = Math.sin(rad),
-        c = Math.cos(rad),
-        a00 = a[0],
-        a01 = a[1],
-        a02 = a[2],
-        a03 = a[3],
-        a10 = a[4],
-        a11 = a[5],
-        a12 = a[6],
-        a13 = a[7];
+function rotateZ(out, a, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+  var a00 = a[0];
+  var a01 = a[1];
+  var a02 = a[2];
+  var a03 = a[3];
+  var a10 = a[4];
+  var a11 = a[5];
+  var a12 = a[6];
+  var a13 = a[7];
 
-    if (a !== out) { // If the source and destination differ, copy the unchanged last row
-        out[8]  = a[8];
-        out[9]  = a[9];
-        out[10] = a[10];
-        out[11] = a[11];
-        out[12] = a[12];
-        out[13] = a[13];
-        out[14] = a[14];
-        out[15] = a[15];
-    }
+  if (a !== out) {
+    // If the source and destination differ, copy the unchanged last row
+    out[8] = a[8];
+    out[9] = a[9];
+    out[10] = a[10];
+    out[11] = a[11];
+    out[12] = a[12];
+    out[13] = a[13];
+    out[14] = a[14];
+    out[15] = a[15];
+  }
 
-    // Perform axis-specific matrix multiplication
-    out[0] = a00 * c + a10 * s;
-    out[1] = a01 * c + a11 * s;
-    out[2] = a02 * c + a12 * s;
-    out[3] = a03 * c + a13 * s;
-    out[4] = a10 * c - a00 * s;
-    out[5] = a11 * c - a01 * s;
-    out[6] = a12 * c - a02 * s;
-    out[7] = a13 * c - a03 * s;
-    return out;
-};
+  // Perform axis-specific matrix multiplication
+  out[0] = a00 * c + a10 * s;
+  out[1] = a01 * c + a11 * s;
+  out[2] = a02 * c + a12 * s;
+  out[3] = a03 * c + a13 * s;
+  out[4] = a10 * c - a00 * s;
+  out[5] = a11 * c - a01 * s;
+  out[6] = a12 * c - a02 * s;
+  out[7] = a13 * c - a03 * s;
+  return out;
+}
+
+/**
+ * Creates a matrix from a vector translation
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.translate(dest, dest, vec);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {vec3} v Translation vector
+ * @returns {mat4} out
+ */
+function fromTranslation(out, v) {
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = 1;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = 1;
+  out[11] = 0;
+  out[12] = v[0];
+  out[13] = v[1];
+  out[14] = v[2];
+  out[15] = 1;
+  return out;
+}
+
+/**
+ * Creates a matrix from a vector scaling
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.scale(dest, dest, vec);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {vec3} v Scaling vector
+ * @returns {mat4} out
+ */
+function fromScaling(out, v) {
+  out[0] = v[0];
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = v[1];
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = v[2];
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
+
+/**
+ * Creates a matrix from a given angle around a given axis
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.rotate(dest, dest, rad, axis);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {Number} rad the angle to rotate the matrix by
+ * @param {vec3} axis the axis to rotate around
+ * @returns {mat4} out
+ */
+function fromRotation(out, rad, axis) {
+  var x = axis[0],
+      y = axis[1],
+      z = axis[2];
+  var len = Math.sqrt(x * x + y * y + z * z);
+  var s = void 0,
+      c = void 0,
+      t = void 0;
+
+  if (Math.abs(len) < glMatrix.EPSILON) {
+    return null;
+  }
+
+  len = 1 / len;
+  x *= len;
+  y *= len;
+  z *= len;
+
+  s = Math.sin(rad);
+  c = Math.cos(rad);
+  t = 1 - c;
+
+  // Perform rotation-specific matrix multiplication
+  out[0] = x * x * t + c;
+  out[1] = y * x * t + z * s;
+  out[2] = z * x * t - y * s;
+  out[3] = 0;
+  out[4] = x * y * t - z * s;
+  out[5] = y * y * t + c;
+  out[6] = z * y * t + x * s;
+  out[7] = 0;
+  out[8] = x * z * t + y * s;
+  out[9] = y * z * t - x * s;
+  out[10] = z * z * t + c;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
+
+/**
+ * Creates a matrix from the given angle around the X axis
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.rotateX(dest, dest, rad);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {Number} rad the angle to rotate the matrix by
+ * @returns {mat4} out
+ */
+function fromXRotation(out, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+
+  // Perform axis-specific matrix multiplication
+  out[0] = 1;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = c;
+  out[6] = s;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = -s;
+  out[10] = c;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
+
+/**
+ * Creates a matrix from the given angle around the Y axis
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.rotateY(dest, dest, rad);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {Number} rad the angle to rotate the matrix by
+ * @returns {mat4} out
+ */
+function fromYRotation(out, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+
+  // Perform axis-specific matrix multiplication
+  out[0] = c;
+  out[1] = 0;
+  out[2] = -s;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = 1;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = s;
+  out[9] = 0;
+  out[10] = c;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
+
+/**
+ * Creates a matrix from the given angle around the Z axis
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.rotateZ(dest, dest, rad);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {Number} rad the angle to rotate the matrix by
+ * @returns {mat4} out
+ */
+function fromZRotation(out, rad) {
+  var s = Math.sin(rad);
+  var c = Math.cos(rad);
+
+  // Perform axis-specific matrix multiplication
+  out[0] = c;
+  out[1] = s;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = -s;
+  out[5] = c;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = 1;
+  out[11] = 0;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+  return out;
+}
 
 /**
  * Creates a matrix from a quaternion rotation and vector translation
@@ -3443,7 +4747,7 @@ mat4.rotateZ = function (out, a, rad) {
  *
  *     mat4.identity(dest);
  *     mat4.translate(dest, vec);
- *     var quatMat = mat4.create();
+ *     let quatMat = mat4.create();
  *     quat4.toMat4(quat, quatMat);
  *     mat4.multiply(dest, quatMat);
  *
@@ -3452,81 +4756,311 @@ mat4.rotateZ = function (out, a, rad) {
  * @param {vec3} v Translation vector
  * @returns {mat4} out
  */
-mat4.fromRotationTranslation = function (out, q, v) {
-    // Quaternion math
-    var x = q[0], y = q[1], z = q[2], w = q[3],
-        x2 = x + x,
-        y2 = y + y,
-        z2 = z + z,
+function fromRotationTranslation(out, q, v) {
+  // Quaternion math
+  var x = q[0],
+      y = q[1],
+      z = q[2],
+      w = q[3];
+  var x2 = x + x;
+  var y2 = y + y;
+  var z2 = z + z;
 
-        xx = x * x2,
-        xy = x * y2,
-        xz = x * z2,
-        yy = y * y2,
-        yz = y * z2,
-        zz = z * z2,
-        wx = w * x2,
-        wy = w * y2,
-        wz = w * z2;
+  var xx = x * x2;
+  var xy = x * y2;
+  var xz = x * z2;
+  var yy = y * y2;
+  var yz = y * z2;
+  var zz = z * z2;
+  var wx = w * x2;
+  var wy = w * y2;
+  var wz = w * z2;
 
-    out[0] = 1 - (yy + zz);
-    out[1] = xy + wz;
-    out[2] = xz - wy;
-    out[3] = 0;
-    out[4] = xy - wz;
-    out[5] = 1 - (xx + zz);
-    out[6] = yz + wx;
-    out[7] = 0;
-    out[8] = xz + wy;
-    out[9] = yz - wx;
-    out[10] = 1 - (xx + yy);
-    out[11] = 0;
-    out[12] = v[0];
-    out[13] = v[1];
-    out[14] = v[2];
-    out[15] = 1;
-    
-    return out;
-};
+  out[0] = 1 - (yy + zz);
+  out[1] = xy + wz;
+  out[2] = xz - wy;
+  out[3] = 0;
+  out[4] = xy - wz;
+  out[5] = 1 - (xx + zz);
+  out[6] = yz + wx;
+  out[7] = 0;
+  out[8] = xz + wy;
+  out[9] = yz - wx;
+  out[10] = 1 - (xx + yy);
+  out[11] = 0;
+  out[12] = v[0];
+  out[13] = v[1];
+  out[14] = v[2];
+  out[15] = 1;
 
-mat4.fromQuat = function (out, q) {
-    var x = q[0], y = q[1], z = q[2], w = q[3],
-        x2 = x + x,
-        y2 = y + y,
-        z2 = z + z,
+  return out;
+}
 
-        xx = x * x2,
-        yx = y * x2,
-        yy = y * y2,
-        zx = z * x2,
-        zy = z * y2,
-        zz = z * z2,
-        wx = w * x2,
-        wy = w * y2,
-        wz = w * z2;
+/**
+ * Returns the translation vector component of a transformation
+ *  matrix. If a matrix is built with fromRotationTranslation,
+ *  the returned vector will be the same as the translation vector
+ *  originally supplied.
+ * @param  {vec3} out Vector to receive translation component
+ * @param  {mat4} mat Matrix to be decomposed (input)
+ * @return {vec3} out
+ */
+function getTranslation(out, mat) {
+  out[0] = mat[12];
+  out[1] = mat[13];
+  out[2] = mat[14];
 
-    out[0] = 1 - yy - zz;
-    out[1] = yx + wz;
-    out[2] = zx - wy;
-    out[3] = 0;
+  return out;
+}
 
-    out[4] = yx - wz;
-    out[5] = 1 - xx - zz;
-    out[6] = zy + wx;
-    out[7] = 0;
+/**
+ * Returns the scaling factor component of a transformation
+ *  matrix. If a matrix is built with fromRotationTranslationScale
+ *  with a normalized Quaternion paramter, the returned vector will be
+ *  the same as the scaling vector
+ *  originally supplied.
+ * @param  {vec3} out Vector to receive scaling factor component
+ * @param  {mat4} mat Matrix to be decomposed (input)
+ * @return {vec3} out
+ */
+function getScaling(out, mat) {
+  var m11 = mat[0];
+  var m12 = mat[1];
+  var m13 = mat[2];
+  var m21 = mat[4];
+  var m22 = mat[5];
+  var m23 = mat[6];
+  var m31 = mat[8];
+  var m32 = mat[9];
+  var m33 = mat[10];
 
-    out[8] = zx + wy;
-    out[9] = zy - wx;
-    out[10] = 1 - xx - yy;
-    out[11] = 0;
+  out[0] = Math.sqrt(m11 * m11 + m12 * m12 + m13 * m13);
+  out[1] = Math.sqrt(m21 * m21 + m22 * m22 + m23 * m23);
+  out[2] = Math.sqrt(m31 * m31 + m32 * m32 + m33 * m33);
 
-    out[12] = 0;
-    out[13] = 0;
-    out[14] = 0;
-    out[15] = 1;
+  return out;
+}
 
-    return out;
-};
+/**
+ * Returns a quaternion representing the rotational component
+ *  of a transformation matrix. If a matrix is built with
+ *  fromRotationTranslation, the returned quaternion will be the
+ *  same as the quaternion originally supplied.
+ * @param {quat} out Quaternion to receive the rotation component
+ * @param {mat4} mat Matrix to be decomposed (input)
+ * @return {quat} out
+ */
+function getRotation(out, mat) {
+  // Algorithm taken from http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
+  var trace = mat[0] + mat[5] + mat[10];
+  var S = 0;
+
+  if (trace > 0) {
+    S = Math.sqrt(trace + 1.0) * 2;
+    out[3] = 0.25 * S;
+    out[0] = (mat[6] - mat[9]) / S;
+    out[1] = (mat[8] - mat[2]) / S;
+    out[2] = (mat[1] - mat[4]) / S;
+  } else if (mat[0] > mat[5] & mat[0] > mat[10]) {
+    S = Math.sqrt(1.0 + mat[0] - mat[5] - mat[10]) * 2;
+    out[3] = (mat[6] - mat[9]) / S;
+    out[0] = 0.25 * S;
+    out[1] = (mat[1] + mat[4]) / S;
+    out[2] = (mat[8] + mat[2]) / S;
+  } else if (mat[5] > mat[10]) {
+    S = Math.sqrt(1.0 + mat[5] - mat[0] - mat[10]) * 2;
+    out[3] = (mat[8] - mat[2]) / S;
+    out[0] = (mat[1] + mat[4]) / S;
+    out[1] = 0.25 * S;
+    out[2] = (mat[6] + mat[9]) / S;
+  } else {
+    S = Math.sqrt(1.0 + mat[10] - mat[0] - mat[5]) * 2;
+    out[3] = (mat[1] - mat[4]) / S;
+    out[0] = (mat[8] + mat[2]) / S;
+    out[1] = (mat[6] + mat[9]) / S;
+    out[2] = 0.25 * S;
+  }
+
+  return out;
+}
+
+/**
+ * Creates a matrix from a quaternion rotation, vector translation and vector scale
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.translate(dest, vec);
+ *     let quatMat = mat4.create();
+ *     quat4.toMat4(quat, quatMat);
+ *     mat4.multiply(dest, quatMat);
+ *     mat4.scale(dest, scale)
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {quat4} q Rotation quaternion
+ * @param {vec3} v Translation vector
+ * @param {vec3} s Scaling vector
+ * @returns {mat4} out
+ */
+function fromRotationTranslationScale(out, q, v, s) {
+  // Quaternion math
+  var x = q[0],
+      y = q[1],
+      z = q[2],
+      w = q[3];
+  var x2 = x + x;
+  var y2 = y + y;
+  var z2 = z + z;
+
+  var xx = x * x2;
+  var xy = x * y2;
+  var xz = x * z2;
+  var yy = y * y2;
+  var yz = y * z2;
+  var zz = z * z2;
+  var wx = w * x2;
+  var wy = w * y2;
+  var wz = w * z2;
+  var sx = s[0];
+  var sy = s[1];
+  var sz = s[2];
+
+  out[0] = (1 - (yy + zz)) * sx;
+  out[1] = (xy + wz) * sx;
+  out[2] = (xz - wy) * sx;
+  out[3] = 0;
+  out[4] = (xy - wz) * sy;
+  out[5] = (1 - (xx + zz)) * sy;
+  out[6] = (yz + wx) * sy;
+  out[7] = 0;
+  out[8] = (xz + wy) * sz;
+  out[9] = (yz - wx) * sz;
+  out[10] = (1 - (xx + yy)) * sz;
+  out[11] = 0;
+  out[12] = v[0];
+  out[13] = v[1];
+  out[14] = v[2];
+  out[15] = 1;
+
+  return out;
+}
+
+/**
+ * Creates a matrix from a quaternion rotation, vector translation and vector scale, rotating and scaling around the given origin
+ * This is equivalent to (but much faster than):
+ *
+ *     mat4.identity(dest);
+ *     mat4.translate(dest, vec);
+ *     mat4.translate(dest, origin);
+ *     let quatMat = mat4.create();
+ *     quat4.toMat4(quat, quatMat);
+ *     mat4.multiply(dest, quatMat);
+ *     mat4.scale(dest, scale)
+ *     mat4.translate(dest, negativeOrigin);
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {quat4} q Rotation quaternion
+ * @param {vec3} v Translation vector
+ * @param {vec3} s Scaling vector
+ * @param {vec3} o The origin vector around which to scale and rotate
+ * @returns {mat4} out
+ */
+function fromRotationTranslationScaleOrigin(out, q, v, s, o) {
+  // Quaternion math
+  var x = q[0],
+      y = q[1],
+      z = q[2],
+      w = q[3];
+  var x2 = x + x;
+  var y2 = y + y;
+  var z2 = z + z;
+
+  var xx = x * x2;
+  var xy = x * y2;
+  var xz = x * z2;
+  var yy = y * y2;
+  var yz = y * z2;
+  var zz = z * z2;
+  var wx = w * x2;
+  var wy = w * y2;
+  var wz = w * z2;
+
+  var sx = s[0];
+  var sy = s[1];
+  var sz = s[2];
+
+  var ox = o[0];
+  var oy = o[1];
+  var oz = o[2];
+
+  out[0] = (1 - (yy + zz)) * sx;
+  out[1] = (xy + wz) * sx;
+  out[2] = (xz - wy) * sx;
+  out[3] = 0;
+  out[4] = (xy - wz) * sy;
+  out[5] = (1 - (xx + zz)) * sy;
+  out[6] = (yz + wx) * sy;
+  out[7] = 0;
+  out[8] = (xz + wy) * sz;
+  out[9] = (yz - wx) * sz;
+  out[10] = (1 - (xx + yy)) * sz;
+  out[11] = 0;
+  out[12] = v[0] + ox - (out[0] * ox + out[4] * oy + out[8] * oz);
+  out[13] = v[1] + oy - (out[1] * ox + out[5] * oy + out[9] * oz);
+  out[14] = v[2] + oz - (out[2] * ox + out[6] * oy + out[10] * oz);
+  out[15] = 1;
+
+  return out;
+}
+
+/**
+ * Calculates a 4x4 matrix from the given quaternion
+ *
+ * @param {mat4} out mat4 receiving operation result
+ * @param {quat} q Quaternion to create matrix from
+ *
+ * @returns {mat4} out
+ */
+function fromQuat(out, q) {
+  var x = q[0],
+      y = q[1],
+      z = q[2],
+      w = q[3];
+  var x2 = x + x;
+  var y2 = y + y;
+  var z2 = z + z;
+
+  var xx = x * x2;
+  var yx = y * x2;
+  var yy = y * y2;
+  var zx = z * x2;
+  var zy = z * y2;
+  var zz = z * z2;
+  var wx = w * x2;
+  var wy = w * y2;
+  var wz = w * z2;
+
+  out[0] = 1 - yy - zz;
+  out[1] = yx + wz;
+  out[2] = zx - wy;
+  out[3] = 0;
+
+  out[4] = yx - wz;
+  out[5] = 1 - xx - zz;
+  out[6] = zy + wx;
+  out[7] = 0;
+
+  out[8] = zx + wy;
+  out[9] = zy - wx;
+  out[10] = 1 - xx - yy;
+  out[11] = 0;
+
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 0;
+  out[15] = 1;
+
+  return out;
+}
 
 /**
  * Generates a frustum matrix with the given bounds
@@ -3540,28 +5074,28 @@ mat4.fromQuat = function (out, q) {
  * @param {Number} far Far bound of the frustum
  * @returns {mat4} out
  */
-mat4.frustum = function (out, left, right, bottom, top, near, far) {
-    var rl = 1 / (right - left),
-        tb = 1 / (top - bottom),
-        nf = 1 / (near - far);
-    out[0] = (near * 2) * rl;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 0;
-    out[5] = (near * 2) * tb;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = (right + left) * rl;
-    out[9] = (top + bottom) * tb;
-    out[10] = (far + near) * nf;
-    out[11] = -1;
-    out[12] = 0;
-    out[13] = 0;
-    out[14] = (far * near * 2) * nf;
-    out[15] = 0;
-    return out;
-};
+function frustum(out, left, right, bottom, top, near, far) {
+  var rl = 1 / (right - left);
+  var tb = 1 / (top - bottom);
+  var nf = 1 / (near - far);
+  out[0] = near * 2 * rl;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = near * 2 * tb;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = (right + left) * rl;
+  out[9] = (top + bottom) * tb;
+  out[10] = (far + near) * nf;
+  out[11] = -1;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = far * near * 2 * nf;
+  out[15] = 0;
+  return out;
+}
 
 /**
  * Generates a perspective projection matrix with the given bounds
@@ -3573,27 +5107,65 @@ mat4.frustum = function (out, left, right, bottom, top, near, far) {
  * @param {number} far Far bound of the frustum
  * @returns {mat4} out
  */
-mat4.perspective = function (out, fovy, aspect, near, far) {
-    var f = 1.0 / Math.tan(fovy / 2),
-        nf = 1 / (near - far);
-    out[0] = f / aspect;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 0;
-    out[5] = f;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 0;
-    out[9] = 0;
-    out[10] = (far + near) * nf;
-    out[11] = -1;
-    out[12] = 0;
-    out[13] = 0;
-    out[14] = (2 * far * near) * nf;
-    out[15] = 0;
-    return out;
-};
+function perspective(out, fovy, aspect, near, far) {
+  var f = 1.0 / Math.tan(fovy / 2);
+  var nf = 1 / (near - far);
+  out[0] = f / aspect;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = f;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = (far + near) * nf;
+  out[11] = -1;
+  out[12] = 0;
+  out[13] = 0;
+  out[14] = 2 * far * near * nf;
+  out[15] = 0;
+  return out;
+}
+
+/**
+ * Generates a perspective projection matrix with the given field of view.
+ * This is primarily useful for generating projection matrices to be used
+ * with the still experiemental WebVR API.
+ *
+ * @param {mat4} out mat4 frustum matrix will be written into
+ * @param {Object} fov Object containing the following values: upDegrees, downDegrees, leftDegrees, rightDegrees
+ * @param {number} near Near bound of the frustum
+ * @param {number} far Far bound of the frustum
+ * @returns {mat4} out
+ */
+function perspectiveFromFieldOfView(out, fov, near, far) {
+  var upTan = Math.tan(fov.upDegrees * Math.PI / 180.0);
+  var downTan = Math.tan(fov.downDegrees * Math.PI / 180.0);
+  var leftTan = Math.tan(fov.leftDegrees * Math.PI / 180.0);
+  var rightTan = Math.tan(fov.rightDegrees * Math.PI / 180.0);
+  var xScale = 2.0 / (leftTan + rightTan);
+  var yScale = 2.0 / (upTan + downTan);
+
+  out[0] = xScale;
+  out[1] = 0.0;
+  out[2] = 0.0;
+  out[3] = 0.0;
+  out[4] = 0.0;
+  out[5] = yScale;
+  out[6] = 0.0;
+  out[7] = 0.0;
+  out[8] = -((leftTan - rightTan) * xScale * 0.5);
+  out[9] = (upTan - downTan) * yScale * 0.5;
+  out[10] = far / (near - far);
+  out[11] = -1.0;
+  out[12] = 0.0;
+  out[13] = 0.0;
+  out[14] = far * near / (near - far);
+  out[15] = 0.0;
+  return out;
+}
 
 /**
  * Generates a orthogonal projection matrix with the given bounds
@@ -3607,28 +5179,28 @@ mat4.perspective = function (out, fovy, aspect, near, far) {
  * @param {number} far Far bound of the frustum
  * @returns {mat4} out
  */
-mat4.ortho = function (out, left, right, bottom, top, near, far) {
-    var lr = 1 / (left - right),
-        bt = 1 / (bottom - top),
-        nf = 1 / (near - far);
-    out[0] = -2 * lr;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 0;
-    out[4] = 0;
-    out[5] = -2 * bt;
-    out[6] = 0;
-    out[7] = 0;
-    out[8] = 0;
-    out[9] = 0;
-    out[10] = 2 * nf;
-    out[11] = 0;
-    out[12] = (left + right) * lr;
-    out[13] = (top + bottom) * bt;
-    out[14] = (far + near) * nf;
-    out[15] = 1;
-    return out;
-};
+function ortho(out, left, right, bottom, top, near, far) {
+  var lr = 1 / (left - right);
+  var bt = 1 / (bottom - top);
+  var nf = 1 / (near - far);
+  out[0] = -2 * lr;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 0;
+  out[4] = 0;
+  out[5] = -2 * bt;
+  out[6] = 0;
+  out[7] = 0;
+  out[8] = 0;
+  out[9] = 0;
+  out[10] = 2 * nf;
+  out[11] = 0;
+  out[12] = (left + right) * lr;
+  out[13] = (top + bottom) * bt;
+  out[14] = (far + near) * nf;
+  out[15] = 1;
+  return out;
+}
 
 /**
  * Generates a look-at matrix with the given eye position, focal point, and up axis
@@ -3639,96 +5211,152 @@ mat4.ortho = function (out, left, right, bottom, top, near, far) {
  * @param {vec3} up vec3 pointing up
  * @returns {mat4} out
  */
-mat4.lookAt = function (out, eye, center, up) {
-    var x0, x1, x2, y0, y1, y2, z0, z1, z2, len,
-        eyex = eye[0],
-        eyey = eye[1],
-        eyez = eye[2],
-        upx = up[0],
-        upy = up[1],
-        upz = up[2],
-        centerx = center[0],
-        centery = center[1],
-        centerz = center[2];
+function lookAt(out, eye, center, up) {
+  var x0 = void 0,
+      x1 = void 0,
+      x2 = void 0,
+      y0 = void 0,
+      y1 = void 0,
+      y2 = void 0,
+      z0 = void 0,
+      z1 = void 0,
+      z2 = void 0,
+      len = void 0;
+  var eyex = eye[0];
+  var eyey = eye[1];
+  var eyez = eye[2];
+  var upx = up[0];
+  var upy = up[1];
+  var upz = up[2];
+  var centerx = center[0];
+  var centery = center[1];
+  var centerz = center[2];
 
-    if (Math.abs(eyex - centerx) < GLMAT_EPSILON &&
-        Math.abs(eyey - centery) < GLMAT_EPSILON &&
-        Math.abs(eyez - centerz) < GLMAT_EPSILON) {
-        return mat4.identity(out);
-    }
+  if (Math.abs(eyex - centerx) < glMatrix.EPSILON && Math.abs(eyey - centery) < glMatrix.EPSILON && Math.abs(eyez - centerz) < glMatrix.EPSILON) {
+    return mat4.identity(out);
+  }
 
-    z0 = eyex - centerx;
-    z1 = eyey - centery;
-    z2 = eyez - centerz;
+  z0 = eyex - centerx;
+  z1 = eyey - centery;
+  z2 = eyez - centerz;
 
-    len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);
+  len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);
+  z0 *= len;
+  z1 *= len;
+  z2 *= len;
+
+  x0 = upy * z2 - upz * z1;
+  x1 = upz * z0 - upx * z2;
+  x2 = upx * z1 - upy * z0;
+  len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);
+  if (!len) {
+    x0 = 0;
+    x1 = 0;
+    x2 = 0;
+  } else {
+    len = 1 / len;
+    x0 *= len;
+    x1 *= len;
+    x2 *= len;
+  }
+
+  y0 = z1 * x2 - z2 * x1;
+  y1 = z2 * x0 - z0 * x2;
+  y2 = z0 * x1 - z1 * x0;
+
+  len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);
+  if (!len) {
+    y0 = 0;
+    y1 = 0;
+    y2 = 0;
+  } else {
+    len = 1 / len;
+    y0 *= len;
+    y1 *= len;
+    y2 *= len;
+  }
+
+  out[0] = x0;
+  out[1] = y0;
+  out[2] = z0;
+  out[3] = 0;
+  out[4] = x1;
+  out[5] = y1;
+  out[6] = z1;
+  out[7] = 0;
+  out[8] = x2;
+  out[9] = y2;
+  out[10] = z2;
+  out[11] = 0;
+  out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);
+  out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);
+  out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);
+  out[15] = 1;
+
+  return out;
+}
+
+/**
+ * Generates a matrix that makes something look at something else.
+ *
+ * @param {mat4} out mat4 frustum matrix will be written into
+ * @param {vec3} eye Position of the viewer
+ * @param {vec3} center Point the viewer is looking at
+ * @param {vec3} up vec3 pointing up
+ * @returns {mat4} out
+ */
+function targetTo(out, eye, target, up) {
+  var eyex = eye[0],
+      eyey = eye[1],
+      eyez = eye[2],
+      upx = up[0],
+      upy = up[1],
+      upz = up[2];
+
+  var z0 = eyex - target[0],
+      z1 = eyey - target[1],
+      z2 = eyez - target[2];
+
+  var len = z0 * z0 + z1 * z1 + z2 * z2;
+  if (len > 0) {
+    len = 1 / Math.sqrt(len);
     z0 *= len;
     z1 *= len;
     z2 *= len;
+  }
 
-    x0 = upy * z2 - upz * z1;
-    x1 = upz * z0 - upx * z2;
-    x2 = upx * z1 - upy * z0;
-    len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);
-    if (!len) {
-        x0 = 0;
-        x1 = 0;
-        x2 = 0;
-    } else {
-        len = 1 / len;
-        x0 *= len;
-        x1 *= len;
-        x2 *= len;
-    }
+  var x0 = upy * z2 - upz * z1,
+      x1 = upz * z0 - upx * z2,
+      x2 = upx * z1 - upy * z0;
 
-    y0 = z1 * x2 - z2 * x1;
-    y1 = z2 * x0 - z0 * x2;
-    y2 = z0 * x1 - z1 * x0;
-
-    len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);
-    if (!len) {
-        y0 = 0;
-        y1 = 0;
-        y2 = 0;
-    } else {
-        len = 1 / len;
-        y0 *= len;
-        y1 *= len;
-        y2 *= len;
-    }
-
-    out[0] = x0;
-    out[1] = y0;
-    out[2] = z0;
-    out[3] = 0;
-    out[4] = x1;
-    out[5] = y1;
-    out[6] = z1;
-    out[7] = 0;
-    out[8] = x2;
-    out[9] = y2;
-    out[10] = z2;
-    out[11] = 0;
-    out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);
-    out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);
-    out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);
-    out[15] = 1;
-
-    return out;
+  out[0] = x0;
+  out[1] = x1;
+  out[2] = x2;
+  out[3] = 0;
+  out[4] = z1 * x2 - z2 * x1;
+  out[5] = z2 * x0 - z0 * x2;
+  out[6] = z0 * x1 - z1 * x0;
+  out[7] = 0;
+  out[8] = z0;
+  out[9] = z1;
+  out[10] = z2;
+  out[11] = 0;
+  out[12] = eyex;
+  out[13] = eyey;
+  out[14] = eyez;
+  out[15] = 1;
+  return out;
 };
 
 /**
  * Returns a string representation of a mat4
  *
- * @param {mat4} mat matrix to represent as a string
+ * @param {mat4} a matrix to represent as a string
  * @returns {String} string representation of the matrix
  */
-mat4.str = function (a) {
-    return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' +
-                    a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' +
-                    a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' + 
-                    a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')';
-};
+function str(a) {
+  return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' + a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' + a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' + a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')';
+}
 
 /**
  * Returns Frobenius norm of a mat4
@@ -3736,173 +5364,274 @@ mat4.str = function (a) {
  * @param {mat4} a the matrix to calculate Frobenius norm of
  * @returns {Number} Frobenius norm
  */
-mat4.frob = function (a) {
-    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2) ))
-};
-
-
-if(typeof(exports) !== 'undefined') {
-    exports.mat4 = mat4;
+function frob(a) {
+  return Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2));
 }
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this
-    list of conditions and the following disclaimer.
-  * Redistributions in binary form must reproduce the above copyright notice,
-    this list of conditions and the following disclaimer in the documentation 
-    and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 /**
- * @class Quaternion
- * @name quat
+ * Adds two mat4's
+ *
+ * @param {mat4} out the receiving matrix
+ * @param {mat4} a the first operand
+ * @param {mat4} b the second operand
+ * @returns {mat4} out
  */
+function add(out, a, b) {
+  out[0] = a[0] + b[0];
+  out[1] = a[1] + b[1];
+  out[2] = a[2] + b[2];
+  out[3] = a[3] + b[3];
+  out[4] = a[4] + b[4];
+  out[5] = a[5] + b[5];
+  out[6] = a[6] + b[6];
+  out[7] = a[7] + b[7];
+  out[8] = a[8] + b[8];
+  out[9] = a[9] + b[9];
+  out[10] = a[10] + b[10];
+  out[11] = a[11] + b[11];
+  out[12] = a[12] + b[12];
+  out[13] = a[13] + b[13];
+  out[14] = a[14] + b[14];
+  out[15] = a[15] + b[15];
+  return out;
+}
 
-var quat = {};
+/**
+ * Subtracts matrix b from matrix a
+ *
+ * @param {mat4} out the receiving matrix
+ * @param {mat4} a the first operand
+ * @param {mat4} b the second operand
+ * @returns {mat4} out
+ */
+function subtract(out, a, b) {
+  out[0] = a[0] - b[0];
+  out[1] = a[1] - b[1];
+  out[2] = a[2] - b[2];
+  out[3] = a[3] - b[3];
+  out[4] = a[4] - b[4];
+  out[5] = a[5] - b[5];
+  out[6] = a[6] - b[6];
+  out[7] = a[7] - b[7];
+  out[8] = a[8] - b[8];
+  out[9] = a[9] - b[9];
+  out[10] = a[10] - b[10];
+  out[11] = a[11] - b[11];
+  out[12] = a[12] - b[12];
+  out[13] = a[13] - b[13];
+  out[14] = a[14] - b[14];
+  out[15] = a[15] - b[15];
+  return out;
+}
+
+/**
+ * Multiply each element of the matrix by a scalar.
+ *
+ * @param {mat4} out the receiving matrix
+ * @param {mat4} a the matrix to scale
+ * @param {Number} b amount to scale the matrix's elements by
+ * @returns {mat4} out
+ */
+function multiplyScalar(out, a, b) {
+  out[0] = a[0] * b;
+  out[1] = a[1] * b;
+  out[2] = a[2] * b;
+  out[3] = a[3] * b;
+  out[4] = a[4] * b;
+  out[5] = a[5] * b;
+  out[6] = a[6] * b;
+  out[7] = a[7] * b;
+  out[8] = a[8] * b;
+  out[9] = a[9] * b;
+  out[10] = a[10] * b;
+  out[11] = a[11] * b;
+  out[12] = a[12] * b;
+  out[13] = a[13] * b;
+  out[14] = a[14] * b;
+  out[15] = a[15] * b;
+  return out;
+}
+
+/**
+ * Adds two mat4's after multiplying each element of the second operand by a scalar value.
+ *
+ * @param {mat4} out the receiving vector
+ * @param {mat4} a the first operand
+ * @param {mat4} b the second operand
+ * @param {Number} scale the amount to scale b's elements by before adding
+ * @returns {mat4} out
+ */
+function multiplyScalarAndAdd(out, a, b, scale) {
+  out[0] = a[0] + b[0] * scale;
+  out[1] = a[1] + b[1] * scale;
+  out[2] = a[2] + b[2] * scale;
+  out[3] = a[3] + b[3] * scale;
+  out[4] = a[4] + b[4] * scale;
+  out[5] = a[5] + b[5] * scale;
+  out[6] = a[6] + b[6] * scale;
+  out[7] = a[7] + b[7] * scale;
+  out[8] = a[8] + b[8] * scale;
+  out[9] = a[9] + b[9] * scale;
+  out[10] = a[10] + b[10] * scale;
+  out[11] = a[11] + b[11] * scale;
+  out[12] = a[12] + b[12] * scale;
+  out[13] = a[13] + b[13] * scale;
+  out[14] = a[14] + b[14] * scale;
+  out[15] = a[15] + b[15] * scale;
+  return out;
+}
+
+/**
+ * Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)
+ *
+ * @param {mat4} a The first matrix.
+ * @param {mat4} b The second matrix.
+ * @returns {Boolean} True if the matrices are equal, false otherwise.
+ */
+function exactEquals(a, b) {
+  return a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3] && a[4] === b[4] && a[5] === b[5] && a[6] === b[6] && a[7] === b[7] && a[8] === b[8] && a[9] === b[9] && a[10] === b[10] && a[11] === b[11] && a[12] === b[12] && a[13] === b[13] && a[14] === b[14] && a[15] === b[15];
+}
+
+/**
+ * Returns whether or not the matrices have approximately the same elements in the same position.
+ *
+ * @param {mat4} a The first matrix.
+ * @param {mat4} b The second matrix.
+ * @returns {Boolean} True if the matrices are equal, false otherwise.
+ */
+function equals(a, b) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3];
+  var a4 = a[4],
+      a5 = a[5],
+      a6 = a[6],
+      a7 = a[7];
+  var a8 = a[8],
+      a9 = a[9],
+      a10 = a[10],
+      a11 = a[11];
+  var a12 = a[12],
+      a13 = a[13],
+      a14 = a[14],
+      a15 = a[15];
+
+  var b0 = b[0],
+      b1 = b[1],
+      b2 = b[2],
+      b3 = b[3];
+  var b4 = b[4],
+      b5 = b[5],
+      b6 = b[6],
+      b7 = b[7];
+  var b8 = b[8],
+      b9 = b[9],
+      b10 = b[10],
+      b11 = b[11];
+  var b12 = b[12],
+      b13 = b[13],
+      b14 = b[14],
+      b15 = b[15];
+
+  return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)) && Math.abs(a4 - b4) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a4), Math.abs(b4)) && Math.abs(a5 - b5) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a5), Math.abs(b5)) && Math.abs(a6 - b6) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a6), Math.abs(b6)) && Math.abs(a7 - b7) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a7), Math.abs(b7)) && Math.abs(a8 - b8) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a8), Math.abs(b8)) && Math.abs(a9 - b9) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a9), Math.abs(b9)) && Math.abs(a10 - b10) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a10), Math.abs(b10)) && Math.abs(a11 - b11) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a11), Math.abs(b11)) && Math.abs(a12 - b12) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a12), Math.abs(b12)) && Math.abs(a13 - b13) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a13), Math.abs(b13)) && Math.abs(a14 - b14) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a14), Math.abs(b14)) && Math.abs(a15 - b15) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a15), Math.abs(b15));
+}
+
+/**
+ * Alias for {@link mat4.multiply}
+ * @function
+ */
+var mul = exports.mul = multiply;
+
+/**
+ * Alias for {@link mat4.subtract}
+ * @function
+ */
+var sub = exports.sub = subtract;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.setAxes = exports.sqlerp = exports.rotationTo = exports.equals = exports.exactEquals = exports.normalize = exports.sqrLen = exports.squaredLength = exports.len = exports.length = exports.lerp = exports.dot = exports.scale = exports.mul = exports.add = exports.set = exports.copy = exports.fromValues = exports.clone = undefined;
+exports.create = create;
+exports.identity = identity;
+exports.setAxisAngle = setAxisAngle;
+exports.getAxisAngle = getAxisAngle;
+exports.multiply = multiply;
+exports.rotateX = rotateX;
+exports.rotateY = rotateY;
+exports.rotateZ = rotateZ;
+exports.calculateW = calculateW;
+exports.slerp = slerp;
+exports.invert = invert;
+exports.conjugate = conjugate;
+exports.fromMat3 = fromMat3;
+exports.fromEuler = fromEuler;
+exports.str = str;
+
+var _common = __webpack_require__(0);
+
+var glMatrix = _interopRequireWildcard(_common);
+
+var _mat = __webpack_require__(1);
+
+var mat3 = _interopRequireWildcard(_mat);
+
+var _vec = __webpack_require__(2);
+
+var vec3 = _interopRequireWildcard(_vec);
+
+var _vec2 = __webpack_require__(3);
+
+var vec4 = _interopRequireWildcard(_vec2);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+/**
+ * Quaternion
+ * @module quat
+ */
 
 /**
  * Creates a new identity quat
  *
  * @returns {quat} a new quaternion
  */
-quat.create = function() {
-    var out = new GLMAT_ARRAY_TYPE(4);
-    out[0] = 0;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 1;
-    return out;
-};
+/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
 
-/**
- * Sets a quaternion to represent the shortest rotation from one
- * vector to another.
- *
- * Both vectors are assumed to be unit length.
- *
- * @param {quat} out the receiving quaternion.
- * @param {vec3} a the initial vector
- * @param {vec3} b the destination vector
- * @returns {quat} out
- */
-quat.rotationTo = (function() {
-    var tmpvec3 = vec3.create();
-    var xUnitVec3 = vec3.fromValues(1,0,0);
-    var yUnitVec3 = vec3.fromValues(0,1,0);
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-    return function(out, a, b) {
-        var dot = vec3.dot(a, b);
-        if (dot < -0.999999) {
-            vec3.cross(tmpvec3, xUnitVec3, a);
-            if (vec3.length(tmpvec3) < 0.000001)
-                vec3.cross(tmpvec3, yUnitVec3, a);
-            vec3.normalize(tmpvec3, tmpvec3);
-            quat.setAxisAngle(out, tmpvec3, Math.PI);
-            return out;
-        } else if (dot > 0.999999) {
-            out[0] = 0;
-            out[1] = 0;
-            out[2] = 0;
-            out[3] = 1;
-            return out;
-        } else {
-            vec3.cross(tmpvec3, a, b);
-            out[0] = tmpvec3[0];
-            out[1] = tmpvec3[1];
-            out[2] = tmpvec3[2];
-            out[3] = 1 + dot;
-            return quat.normalize(out, out);
-        }
-    };
-})();
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
 
-/**
- * Sets the specified quaternion with values corresponding to the given
- * axes. Each axis is a vec3 and is expected to be unit length and
- * perpendicular to all other specified axes.
- *
- * @param {vec3} view  the vector representing the viewing direction
- * @param {vec3} right the vector representing the local "right" direction
- * @param {vec3} up    the vector representing the local "up" direction
- * @returns {quat} out
- */
-quat.setAxes = (function() {
-    var matr = mat3.create();
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. */
 
-    return function(out, view, right, up) {
-        matr[0] = right[0];
-        matr[3] = right[1];
-        matr[6] = right[2];
-
-        matr[1] = up[0];
-        matr[4] = up[1];
-        matr[7] = up[2];
-
-        matr[2] = -view[0];
-        matr[5] = -view[1];
-        matr[8] = -view[2];
-
-        return quat.normalize(out, quat.fromMat3(out, matr));
-    };
-})();
-
-/**
- * Creates a new quat initialized with values from an existing quaternion
- *
- * @param {quat} a quaternion to clone
- * @returns {quat} a new quaternion
- * @function
- */
-quat.clone = vec4.clone;
-
-/**
- * Creates a new quat initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} a new quaternion
- * @function
- */
-quat.fromValues = vec4.fromValues;
-
-/**
- * Copy the values from one quat to another
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the source quaternion
- * @returns {quat} out
- * @function
- */
-quat.copy = vec4.copy;
-
-/**
- * Set the components of a quat to the given values
- *
- * @param {quat} out the receiving quaternion
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} out
- * @function
- */
-quat.set = vec4.set;
+function create() {
+  var out = new glMatrix.ARRAY_TYPE(4);
+  out[0] = 0;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 1;
+  return out;
+}
 
 /**
  * Set a quat to the identity quaternion
@@ -3910,13 +5639,13 @@ quat.set = vec4.set;
  * @param {quat} out the receiving quaternion
  * @returns {quat} out
  */
-quat.identity = function(out) {
-    out[0] = 0;
-    out[1] = 0;
-    out[2] = 0;
-    out[3] = 1;
-    return out;
-};
+function identity(out) {
+  out[0] = 0;
+  out[1] = 0;
+  out[2] = 0;
+  out[3] = 1;
+  return out;
+}
 
 /**
  * Sets a quat from the given angle and rotation axis,
@@ -3927,26 +5656,44 @@ quat.identity = function(out) {
  * @param {Number} rad the angle in radians
  * @returns {quat} out
  **/
-quat.setAxisAngle = function(out, axis, rad) {
-    rad = rad * 0.5;
-    var s = Math.sin(rad);
-    out[0] = s * axis[0];
-    out[1] = s * axis[1];
-    out[2] = s * axis[2];
-    out[3] = Math.cos(rad);
-    return out;
-};
+function setAxisAngle(out, axis, rad) {
+  rad = rad * 0.5;
+  var s = Math.sin(rad);
+  out[0] = s * axis[0];
+  out[1] = s * axis[1];
+  out[2] = s * axis[2];
+  out[3] = Math.cos(rad);
+  return out;
+}
 
 /**
- * Adds two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {quat} out
- * @function
+ * Gets the rotation axis and angle for a given
+ *  quaternion. If a quaternion is created with
+ *  setAxisAngle, this method will return the same
+ *  values as providied in the original parameter list
+ *  OR functionally equivalent values.
+ * Example: The quaternion formed by axis [0, 0, 1] and
+ *  angle -90 is the same as the quaternion formed by
+ *  [0, 0, 1] and 270. This method favors the latter.
+ * @param  {vec3} out_axis  Vector receiving the axis of rotation
+ * @param  {quat} q     Quaternion to be decomposed
+ * @return {Number}     Angle, in radians, of the rotation
  */
-quat.add = vec4.add;
+function getAxisAngle(out_axis, q) {
+  var rad = Math.acos(q[3]) * 2.0;
+  var s = Math.sin(rad / 2.0);
+  if (s != 0.0) {
+    out_axis[0] = q[0] / s;
+    out_axis[1] = q[1] / s;
+    out_axis[2] = q[2] / s;
+  } else {
+    // If s is zero, return any axis (no rotation - axis does not matter)
+    out_axis[0] = 1;
+    out_axis[1] = 0;
+    out_axis[2] = 0;
+  }
+  return rad;
+}
 
 /**
  * Multiplies two quat's
@@ -3956,33 +5703,22 @@ quat.add = vec4.add;
  * @param {quat} b the second operand
  * @returns {quat} out
  */
-quat.multiply = function(out, a, b) {
-    var ax = a[0], ay = a[1], az = a[2], aw = a[3],
-        bx = b[0], by = b[1], bz = b[2], bw = b[3];
+function multiply(out, a, b) {
+  var ax = a[0],
+      ay = a[1],
+      az = a[2],
+      aw = a[3];
+  var bx = b[0],
+      by = b[1],
+      bz = b[2],
+      bw = b[3];
 
-    out[0] = ax * bw + aw * bx + ay * bz - az * by;
-    out[1] = ay * bw + aw * by + az * bx - ax * bz;
-    out[2] = az * bw + aw * bz + ax * by - ay * bx;
-    out[3] = aw * bw - ax * bx - ay * by - az * bz;
-    return out;
-};
-
-/**
- * Alias for {@link quat.multiply}
- * @function
- */
-quat.mul = quat.multiply;
-
-/**
- * Scales a quat by a scalar number
- *
- * @param {quat} out the receiving vector
- * @param {quat} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {quat} out
- * @function
- */
-quat.scale = vec4.scale;
+  out[0] = ax * bw + aw * bx + ay * bz - az * by;
+  out[1] = ay * bw + aw * by + az * bx - ax * bz;
+  out[2] = az * bw + aw * bz + ax * by - ay * bx;
+  out[3] = aw * bw - ax * bx - ay * by - az * bz;
+  return out;
+}
 
 /**
  * Rotates a quaternion by the given angle about the X axis
@@ -3992,18 +5728,22 @@ quat.scale = vec4.scale;
  * @param {number} rad angle (in radians) to rotate
  * @returns {quat} out
  */
-quat.rotateX = function (out, a, rad) {
-    rad *= 0.5; 
+function rotateX(out, a, rad) {
+  rad *= 0.5;
 
-    var ax = a[0], ay = a[1], az = a[2], aw = a[3],
-        bx = Math.sin(rad), bw = Math.cos(rad);
+  var ax = a[0],
+      ay = a[1],
+      az = a[2],
+      aw = a[3];
+  var bx = Math.sin(rad),
+      bw = Math.cos(rad);
 
-    out[0] = ax * bw + aw * bx;
-    out[1] = ay * bw + az * bx;
-    out[2] = az * bw - ay * bx;
-    out[3] = aw * bw - ax * bx;
-    return out;
-};
+  out[0] = ax * bw + aw * bx;
+  out[1] = ay * bw + az * bx;
+  out[2] = az * bw - ay * bx;
+  out[3] = aw * bw - ax * bx;
+  return out;
+}
 
 /**
  * Rotates a quaternion by the given angle about the Y axis
@@ -4013,18 +5753,22 @@ quat.rotateX = function (out, a, rad) {
  * @param {number} rad angle (in radians) to rotate
  * @returns {quat} out
  */
-quat.rotateY = function (out, a, rad) {
-    rad *= 0.5; 
+function rotateY(out, a, rad) {
+  rad *= 0.5;
 
-    var ax = a[0], ay = a[1], az = a[2], aw = a[3],
-        by = Math.sin(rad), bw = Math.cos(rad);
+  var ax = a[0],
+      ay = a[1],
+      az = a[2],
+      aw = a[3];
+  var by = Math.sin(rad),
+      bw = Math.cos(rad);
 
-    out[0] = ax * bw - az * by;
-    out[1] = ay * bw + aw * by;
-    out[2] = az * bw + ax * by;
-    out[3] = aw * bw - ay * by;
-    return out;
-};
+  out[0] = ax * bw - az * by;
+  out[1] = ay * bw + aw * by;
+  out[2] = az * bw + ax * by;
+  out[3] = aw * bw - ay * by;
+  return out;
+}
 
 /**
  * Rotates a quaternion by the given angle about the Z axis
@@ -4034,18 +5778,22 @@ quat.rotateY = function (out, a, rad) {
  * @param {number} rad angle (in radians) to rotate
  * @returns {quat} out
  */
-quat.rotateZ = function (out, a, rad) {
-    rad *= 0.5; 
+function rotateZ(out, a, rad) {
+  rad *= 0.5;
 
-    var ax = a[0], ay = a[1], az = a[2], aw = a[3],
-        bz = Math.sin(rad), bw = Math.cos(rad);
+  var ax = a[0],
+      ay = a[1],
+      az = a[2],
+      aw = a[3];
+  var bz = Math.sin(rad),
+      bw = Math.cos(rad);
 
-    out[0] = ax * bw + ay * bz;
-    out[1] = ay * bw - ax * bz;
-    out[2] = az * bw + aw * bz;
-    out[3] = aw * bw - az * bz;
-    return out;
-};
+  out[0] = ax * bw + ay * bz;
+  out[1] = ay * bw - ax * bz;
+  out[2] = az * bw + aw * bz;
+  out[3] = aw * bw - az * bz;
+  return out;
+}
 
 /**
  * Calculates the W component of a quat from the X, Y, and Z components.
@@ -4056,37 +5804,17 @@ quat.rotateZ = function (out, a, rad) {
  * @param {quat} a quat to calculate W component of
  * @returns {quat} out
  */
-quat.calculateW = function (out, a) {
-    var x = a[0], y = a[1], z = a[2];
+function calculateW(out, a) {
+  var x = a[0],
+      y = a[1],
+      z = a[2];
 
-    out[0] = x;
-    out[1] = y;
-    out[2] = z;
-    out[3] = Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));
-    return out;
-};
-
-/**
- * Calculates the dot product of two quat's
- *
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {Number} dot product of a and b
- * @function
- */
-quat.dot = vec4.dot;
-
-/**
- * Performs a linear interpolation between two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {quat} out
- * @function
- */
-quat.lerp = vec4.lerp;
+  out[0] = x;
+  out[1] = y;
+  out[2] = z;
+  out[3] = Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));
+  return out;
+}
 
 /**
  * Performs a spherical linear interpolation between two quat
@@ -4097,46 +5825,55 @@ quat.lerp = vec4.lerp;
  * @param {Number} t interpolation amount between the two inputs
  * @returns {quat} out
  */
-quat.slerp = function (out, a, b, t) {
-    // benchmarks:
-    //    http://jsperf.com/quaternion-slerp-implementations
+function slerp(out, a, b, t) {
+  // benchmarks:
+  //    http://jsperf.com/quaternion-slerp-implementations
+  var ax = a[0],
+      ay = a[1],
+      az = a[2],
+      aw = a[3];
+  var bx = b[0],
+      by = b[1],
+      bz = b[2],
+      bw = b[3];
 
-    var ax = a[0], ay = a[1], az = a[2], aw = a[3],
-        bx = b[0], by = b[1], bz = b[2], bw = b[3];
+  var omega = void 0,
+      cosom = void 0,
+      sinom = void 0,
+      scale0 = void 0,
+      scale1 = void 0;
 
-    var        omega, cosom, sinom, scale0, scale1;
+  // calc cosine
+  cosom = ax * bx + ay * by + az * bz + aw * bw;
+  // adjust signs (if necessary)
+  if (cosom < 0.0) {
+    cosom = -cosom;
+    bx = -bx;
+    by = -by;
+    bz = -bz;
+    bw = -bw;
+  }
+  // calculate coefficients
+  if (1.0 - cosom > 0.000001) {
+    // standard case (slerp)
+    omega = Math.acos(cosom);
+    sinom = Math.sin(omega);
+    scale0 = Math.sin((1.0 - t) * omega) / sinom;
+    scale1 = Math.sin(t * omega) / sinom;
+  } else {
+    // "from" and "to" quaternions are very close
+    //  ... so we can do a linear interpolation
+    scale0 = 1.0 - t;
+    scale1 = t;
+  }
+  // calculate final values
+  out[0] = scale0 * ax + scale1 * bx;
+  out[1] = scale0 * ay + scale1 * by;
+  out[2] = scale0 * az + scale1 * bz;
+  out[3] = scale0 * aw + scale1 * bw;
 
-    // calc cosine
-    cosom = ax * bx + ay * by + az * bz + aw * bw;
-    // adjust signs (if necessary)
-    if ( cosom < 0.0 ) {
-        cosom = -cosom;
-        bx = - bx;
-        by = - by;
-        bz = - bz;
-        bw = - bw;
-    }
-    // calculate coefficients
-    if ( (1.0 - cosom) > 0.000001 ) {
-        // standard case (slerp)
-        omega  = Math.acos(cosom);
-        sinom  = Math.sin(omega);
-        scale0 = Math.sin((1.0 - t) * omega) / sinom;
-        scale1 = Math.sin(t * omega) / sinom;
-    } else {        
-        // "from" and "to" quaternions are very close 
-        //  ... so we can do a linear interpolation
-        scale0 = 1.0 - t;
-        scale1 = t;
-    }
-    // calculate final values
-    out[0] = scale0 * ax + scale1 * bx;
-    out[1] = scale0 * ay + scale1 * by;
-    out[2] = scale0 * az + scale1 * bz;
-    out[3] = scale0 * aw + scale1 * bw;
-    
-    return out;
-};
+  return out;
+}
 
 /**
  * Calculates the inverse of a quat
@@ -4145,19 +5882,22 @@ quat.slerp = function (out, a, b, t) {
  * @param {quat} a quat to calculate inverse of
  * @returns {quat} out
  */
-quat.invert = function(out, a) {
-    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
-        dot = a0*a0 + a1*a1 + a2*a2 + a3*a3,
-        invDot = dot ? 1.0/dot : 0;
-    
-    // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0
+function invert(out, a) {
+  var a0 = a[0],
+      a1 = a[1],
+      a2 = a[2],
+      a3 = a[3];
+  var dot = a0 * a0 + a1 * a1 + a2 * a2 + a3 * a3;
+  var invDot = dot ? 1.0 / dot : 0;
 
-    out[0] = -a0*invDot;
-    out[1] = -a1*invDot;
-    out[2] = -a2*invDot;
-    out[3] = a3*invDot;
-    return out;
-};
+  // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0
+
+  out[0] = -a0 * invDot;
+  out[1] = -a1 * invDot;
+  out[2] = -a2 * invDot;
+  out[3] = a3 * invDot;
+  return out;
+}
 
 /**
  * Calculates the conjugate of a quat
@@ -4167,53 +5907,13 @@ quat.invert = function(out, a) {
  * @param {quat} a quat to calculate conjugate of
  * @returns {quat} out
  */
-quat.conjugate = function (out, a) {
-    out[0] = -a[0];
-    out[1] = -a[1];
-    out[2] = -a[2];
-    out[3] = a[3];
-    return out;
-};
-
-/**
- * Calculates the length of a quat
- *
- * @param {quat} a vector to calculate length of
- * @returns {Number} length of a
- * @function
- */
-quat.length = vec4.length;
-
-/**
- * Alias for {@link quat.length}
- * @function
- */
-quat.len = quat.length;
-
-/**
- * Calculates the squared length of a quat
- *
- * @param {quat} a vector to calculate squared length of
- * @returns {Number} squared length of a
- * @function
- */
-quat.squaredLength = vec4.squaredLength;
-
-/**
- * Alias for {@link quat.squaredLength}
- * @function
- */
-quat.sqrLen = quat.squaredLength;
-
-/**
- * Normalize a quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quaternion to normalize
- * @returns {quat} out
- * @function
- */
-quat.normalize = vec4.normalize;
+function conjugate(out, a) {
+  out[0] = -a[0];
+  out[1] = -a[1];
+  out[2] = -a[2];
+  out[3] = a[3];
+  return out;
+}
 
 /**
  * Creates a quaternion from the given 3x3 rotation matrix.
@@ -4226,67 +5926,963 @@ quat.normalize = vec4.normalize;
  * @returns {quat} out
  * @function
  */
-quat.fromMat3 = function(out, m) {
-    // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes
-    // article "Quaternion Calculus and Fast Animation".
-    var fTrace = m[0] + m[4] + m[8];
-    var fRoot;
+function fromMat3(out, m) {
+  // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes
+  // article "Quaternion Calculus and Fast Animation".
+  var fTrace = m[0] + m[4] + m[8];
+  var fRoot = void 0;
 
-    if ( fTrace > 0.0 ) {
-        // |w| > 1/2, may as well choose w > 1/2
-        fRoot = Math.sqrt(fTrace + 1.0);  // 2w
-        out[3] = 0.5 * fRoot;
-        fRoot = 0.5/fRoot;  // 1/(4w)
-        out[0] = (m[5]-m[7])*fRoot;
-        out[1] = (m[6]-m[2])*fRoot;
-        out[2] = (m[1]-m[3])*fRoot;
-    } else {
-        // |w| <= 1/2
-        var i = 0;
-        if ( m[4] > m[0] )
-          i = 1;
-        if ( m[8] > m[i*3+i] )
-          i = 2;
-        var j = (i+1)%3;
-        var k = (i+2)%3;
-        
-        fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0);
-        out[i] = 0.5 * fRoot;
-        fRoot = 0.5 / fRoot;
-        out[3] = (m[j*3+k] - m[k*3+j]) * fRoot;
-        out[j] = (m[j*3+i] + m[i*3+j]) * fRoot;
-        out[k] = (m[k*3+i] + m[i*3+k]) * fRoot;
-    }
-    
-    return out;
-};
+  if (fTrace > 0.0) {
+    // |w| > 1/2, may as well choose w > 1/2
+    fRoot = Math.sqrt(fTrace + 1.0); // 2w
+    out[3] = 0.5 * fRoot;
+    fRoot = 0.5 / fRoot; // 1/(4w)
+    out[0] = (m[5] - m[7]) * fRoot;
+    out[1] = (m[6] - m[2]) * fRoot;
+    out[2] = (m[1] - m[3]) * fRoot;
+  } else {
+    // |w| <= 1/2
+    var i = 0;
+    if (m[4] > m[0]) i = 1;
+    if (m[8] > m[i * 3 + i]) i = 2;
+    var j = (i + 1) % 3;
+    var k = (i + 2) % 3;
+
+    fRoot = Math.sqrt(m[i * 3 + i] - m[j * 3 + j] - m[k * 3 + k] + 1.0);
+    out[i] = 0.5 * fRoot;
+    fRoot = 0.5 / fRoot;
+    out[3] = (m[j * 3 + k] - m[k * 3 + j]) * fRoot;
+    out[j] = (m[j * 3 + i] + m[i * 3 + j]) * fRoot;
+    out[k] = (m[k * 3 + i] + m[i * 3 + k]) * fRoot;
+  }
+
+  return out;
+}
+
+/**
+ * Creates a quaternion from the given euler angle x, y, z.
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {x} Angle to rotate around X axis in degrees.
+ * @param {y} Angle to rotate around Y axis in degrees.
+ * @param {z} Angle to rotate around Z axis in degrees.
+ * @returns {quat} out
+ * @function
+ */
+function fromEuler(out, x, y, z) {
+  var halfToRad = 0.5 * Math.PI / 180.0;
+  x *= halfToRad;
+  y *= halfToRad;
+  z *= halfToRad;
+
+  var sx = Math.sin(x);
+  var cx = Math.cos(x);
+  var sy = Math.sin(y);
+  var cy = Math.cos(y);
+  var sz = Math.sin(z);
+  var cz = Math.cos(z);
+
+  out[0] = sx * cy * cz - cx * sy * sz;
+  out[1] = cx * sy * cz + sx * cy * sz;
+  out[2] = cx * cy * sz - sx * sy * cz;
+  out[3] = cx * cy * cz + sx * sy * sz;
+
+  return out;
+}
 
 /**
  * Returns a string representation of a quatenion
  *
- * @param {quat} vec vector to represent as a string
+ * @param {quat} a vector to represent as a string
  * @returns {String} string representation of the vector
  */
-quat.str = function (a) {
-    return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
+function str(a) {
+  return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
+}
+
+/**
+ * Creates a new quat initialized with values from an existing quaternion
+ *
+ * @param {quat} a quaternion to clone
+ * @returns {quat} a new quaternion
+ * @function
+ */
+var clone = exports.clone = vec4.clone;
+
+/**
+ * Creates a new quat initialized with the given values
+ *
+ * @param {Number} x X component
+ * @param {Number} y Y component
+ * @param {Number} z Z component
+ * @param {Number} w W component
+ * @returns {quat} a new quaternion
+ * @function
+ */
+var fromValues = exports.fromValues = vec4.fromValues;
+
+/**
+ * Copy the values from one quat to another
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {quat} a the source quaternion
+ * @returns {quat} out
+ * @function
+ */
+var copy = exports.copy = vec4.copy;
+
+/**
+ * Set the components of a quat to the given values
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {Number} x X component
+ * @param {Number} y Y component
+ * @param {Number} z Z component
+ * @param {Number} w W component
+ * @returns {quat} out
+ * @function
+ */
+var set = exports.set = vec4.set;
+
+/**
+ * Adds two quat's
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {quat} a the first operand
+ * @param {quat} b the second operand
+ * @returns {quat} out
+ * @function
+ */
+var add = exports.add = vec4.add;
+
+/**
+ * Alias for {@link quat.multiply}
+ * @function
+ */
+var mul = exports.mul = multiply;
+
+/**
+ * Scales a quat by a scalar number
+ *
+ * @param {quat} out the receiving vector
+ * @param {quat} a the vector to scale
+ * @param {Number} b amount to scale the vector by
+ * @returns {quat} out
+ * @function
+ */
+var scale = exports.scale = vec4.scale;
+
+/**
+ * Calculates the dot product of two quat's
+ *
+ * @param {quat} a the first operand
+ * @param {quat} b the second operand
+ * @returns {Number} dot product of a and b
+ * @function
+ */
+var dot = exports.dot = vec4.dot;
+
+/**
+ * Performs a linear interpolation between two quat's
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {quat} a the first operand
+ * @param {quat} b the second operand
+ * @param {Number} t interpolation amount between the two inputs
+ * @returns {quat} out
+ * @function
+ */
+var lerp = exports.lerp = vec4.lerp;
+
+/**
+ * Calculates the length of a quat
+ *
+ * @param {quat} a vector to calculate length of
+ * @returns {Number} length of a
+ */
+var length = exports.length = vec4.length;
+
+/**
+ * Alias for {@link quat.length}
+ * @function
+ */
+var len = exports.len = length;
+
+/**
+ * Calculates the squared length of a quat
+ *
+ * @param {quat} a vector to calculate squared length of
+ * @returns {Number} squared length of a
+ * @function
+ */
+var squaredLength = exports.squaredLength = vec4.squaredLength;
+
+/**
+ * Alias for {@link quat.squaredLength}
+ * @function
+ */
+var sqrLen = exports.sqrLen = squaredLength;
+
+/**
+ * Normalize a quat
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {quat} a quaternion to normalize
+ * @returns {quat} out
+ * @function
+ */
+var normalize = exports.normalize = vec4.normalize;
+
+/**
+ * Returns whether or not the quaternions have exactly the same elements in the same position (when compared with ===)
+ *
+ * @param {quat} a The first quaternion.
+ * @param {quat} b The second quaternion.
+ * @returns {Boolean} True if the vectors are equal, false otherwise.
+ */
+var exactEquals = exports.exactEquals = vec4.exactEquals;
+
+/**
+ * Returns whether or not the quaternions have approximately the same elements in the same position.
+ *
+ * @param {quat} a The first vector.
+ * @param {quat} b The second vector.
+ * @returns {Boolean} True if the vectors are equal, false otherwise.
+ */
+var equals = exports.equals = vec4.equals;
+
+/**
+ * Sets a quaternion to represent the shortest rotation from one
+ * vector to another.
+ *
+ * Both vectors are assumed to be unit length.
+ *
+ * @param {quat} out the receiving quaternion.
+ * @param {vec3} a the initial vector
+ * @param {vec3} b the destination vector
+ * @returns {quat} out
+ */
+var rotationTo = exports.rotationTo = function () {
+  var tmpvec3 = vec3.create();
+  var xUnitVec3 = vec3.fromValues(1, 0, 0);
+  var yUnitVec3 = vec3.fromValues(0, 1, 0);
+
+  return function (out, a, b) {
+    var dot = vec3.dot(a, b);
+    if (dot < -0.999999) {
+      vec3.cross(tmpvec3, xUnitVec3, a);
+      if (vec3.len(tmpvec3) < 0.000001) vec3.cross(tmpvec3, yUnitVec3, a);
+      vec3.normalize(tmpvec3, tmpvec3);
+      setAxisAngle(out, tmpvec3, Math.PI);
+      return out;
+    } else if (dot > 0.999999) {
+      out[0] = 0;
+      out[1] = 0;
+      out[2] = 0;
+      out[3] = 1;
+      return out;
+    } else {
+      vec3.cross(tmpvec3, a, b);
+      out[0] = tmpvec3[0];
+      out[1] = tmpvec3[1];
+      out[2] = tmpvec3[2];
+      out[3] = 1 + dot;
+      return normalize(out, out);
+    }
+  };
+}();
+
+/**
+ * Performs a spherical linear interpolation with two control points
+ *
+ * @param {quat} out the receiving quaternion
+ * @param {quat} a the first operand
+ * @param {quat} b the second operand
+ * @param {quat} c the third operand
+ * @param {quat} d the fourth operand
+ * @param {Number} t interpolation amount
+ * @returns {quat} out
+ */
+var sqlerp = exports.sqlerp = function () {
+  var temp1 = create();
+  var temp2 = create();
+
+  return function (out, a, b, c, d, t) {
+    slerp(temp1, a, d, t);
+    slerp(temp2, b, c, t);
+    slerp(out, temp1, temp2, 2 * t * (1 - t));
+
+    return out;
+  };
+}();
+
+/**
+ * Sets the specified quaternion with values corresponding to the given
+ * axes. Each axis is a vec3 and is expected to be unit length and
+ * perpendicular to all other specified axes.
+ *
+ * @param {vec3} view  the vector representing the viewing direction
+ * @param {vec3} right the vector representing the local "right" direction
+ * @param {vec3} up    the vector representing the local "up" direction
+ * @returns {quat} out
+ */
+var setAxes = exports.setAxes = function () {
+  var matr = mat3.create();
+
+  return function (out, view, right, up) {
+    matr[0] = right[0];
+    matr[3] = right[1];
+    matr[6] = right[2];
+
+    matr[1] = up[0];
+    matr[4] = up[1];
+    matr[7] = up[2];
+
+    matr[2] = -view[0];
+    matr[5] = -view[1];
+    matr[8] = -view[2];
+
+    return normalize(out, fromMat3(out, matr));
+  };
+}();
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.forEach = exports.sqrLen = exports.sqrDist = exports.dist = exports.div = exports.mul = exports.sub = exports.len = undefined;
+exports.create = create;
+exports.clone = clone;
+exports.fromValues = fromValues;
+exports.copy = copy;
+exports.set = set;
+exports.add = add;
+exports.subtract = subtract;
+exports.multiply = multiply;
+exports.divide = divide;
+exports.ceil = ceil;
+exports.floor = floor;
+exports.min = min;
+exports.max = max;
+exports.round = round;
+exports.scale = scale;
+exports.scaleAndAdd = scaleAndAdd;
+exports.distance = distance;
+exports.squaredDistance = squaredDistance;
+exports.length = length;
+exports.squaredLength = squaredLength;
+exports.negate = negate;
+exports.inverse = inverse;
+exports.normalize = normalize;
+exports.dot = dot;
+exports.cross = cross;
+exports.lerp = lerp;
+exports.random = random;
+exports.transformMat2 = transformMat2;
+exports.transformMat2d = transformMat2d;
+exports.transformMat3 = transformMat3;
+exports.transformMat4 = transformMat4;
+exports.str = str;
+exports.exactEquals = exactEquals;
+exports.equals = equals;
+
+var _common = __webpack_require__(0);
+
+var glMatrix = _interopRequireWildcard(_common);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+/**
+ * 2 Dimensional Vector
+ * @module vec2
+ */
+
+/**
+ * Creates a new, empty vec2
+ *
+ * @returns {vec2} a new 2D vector
+ */
+function create() {
+  var out = new glMatrix.ARRAY_TYPE(2);
+  out[0] = 0;
+  out[1] = 0;
+  return out;
+}
+
+/**
+ * Creates a new vec2 initialized with values from an existing vector
+ *
+ * @param {vec2} a vector to clone
+ * @returns {vec2} a new 2D vector
+ */
+/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. */
+
+function clone(a) {
+  var out = new glMatrix.ARRAY_TYPE(2);
+  out[0] = a[0];
+  out[1] = a[1];
+  return out;
+}
+
+/**
+ * Creates a new vec2 initialized with the given values
+ *
+ * @param {Number} x X component
+ * @param {Number} y Y component
+ * @returns {vec2} a new 2D vector
+ */
+function fromValues(x, y) {
+  var out = new glMatrix.ARRAY_TYPE(2);
+  out[0] = x;
+  out[1] = y;
+  return out;
+}
+
+/**
+ * Copy the values from one vec2 to another
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the source vector
+ * @returns {vec2} out
+ */
+function copy(out, a) {
+  out[0] = a[0];
+  out[1] = a[1];
+  return out;
+}
+
+/**
+ * Set the components of a vec2 to the given values
+ *
+ * @param {vec2} out the receiving vector
+ * @param {Number} x X component
+ * @param {Number} y Y component
+ * @returns {vec2} out
+ */
+function set(out, x, y) {
+  out[0] = x;
+  out[1] = y;
+  return out;
+}
+
+/**
+ * Adds two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function add(out, a, b) {
+  out[0] = a[0] + b[0];
+  out[1] = a[1] + b[1];
+  return out;
+}
+
+/**
+ * Subtracts vector b from vector a
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function subtract(out, a, b) {
+  out[0] = a[0] - b[0];
+  out[1] = a[1] - b[1];
+  return out;
+}
+
+/**
+ * Multiplies two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function multiply(out, a, b) {
+  out[0] = a[0] * b[0];
+  out[1] = a[1] * b[1];
+  return out;
 };
 
-if(typeof(exports) !== 'undefined') {
-    exports.quat = quat;
+/**
+ * Divides two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function divide(out, a, b) {
+  out[0] = a[0] / b[0];
+  out[1] = a[1] / b[1];
+  return out;
+};
+
+/**
+ * Math.ceil the components of a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to ceil
+ * @returns {vec2} out
+ */
+function ceil(out, a) {
+  out[0] = Math.ceil(a[0]);
+  out[1] = Math.ceil(a[1]);
+  return out;
+};
+
+/**
+ * Math.floor the components of a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to floor
+ * @returns {vec2} out
+ */
+function floor(out, a) {
+  out[0] = Math.floor(a[0]);
+  out[1] = Math.floor(a[1]);
+  return out;
+};
+
+/**
+ * Returns the minimum of two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function min(out, a, b) {
+  out[0] = Math.min(a[0], b[0]);
+  out[1] = Math.min(a[1], b[1]);
+  return out;
+};
+
+/**
+ * Returns the maximum of two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec2} out
+ */
+function max(out, a, b) {
+  out[0] = Math.max(a[0], b[0]);
+  out[1] = Math.max(a[1], b[1]);
+  return out;
+};
+
+/**
+ * Math.round the components of a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to round
+ * @returns {vec2} out
+ */
+function round(out, a) {
+  out[0] = Math.round(a[0]);
+  out[1] = Math.round(a[1]);
+  return out;
+};
+
+/**
+ * Scales a vec2 by a scalar number
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the vector to scale
+ * @param {Number} b amount to scale the vector by
+ * @returns {vec2} out
+ */
+function scale(out, a, b) {
+  out[0] = a[0] * b;
+  out[1] = a[1] * b;
+  return out;
+};
+
+/**
+ * Adds two vec2's after scaling the second operand by a scalar value
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @param {Number} scale the amount to scale b by before adding
+ * @returns {vec2} out
+ */
+function scaleAndAdd(out, a, b, scale) {
+  out[0] = a[0] + b[0] * scale;
+  out[1] = a[1] + b[1] * scale;
+  return out;
+};
+
+/**
+ * Calculates the euclidian distance between two vec2's
+ *
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {Number} distance between a and b
+ */
+function distance(a, b) {
+  var x = b[0] - a[0],
+      y = b[1] - a[1];
+  return Math.sqrt(x * x + y * y);
+};
+
+/**
+ * Calculates the squared euclidian distance between two vec2's
+ *
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {Number} squared distance between a and b
+ */
+function squaredDistance(a, b) {
+  var x = b[0] - a[0],
+      y = b[1] - a[1];
+  return x * x + y * y;
+};
+
+/**
+ * Calculates the length of a vec2
+ *
+ * @param {vec2} a vector to calculate length of
+ * @returns {Number} length of a
+ */
+function length(a) {
+  var x = a[0],
+      y = a[1];
+  return Math.sqrt(x * x + y * y);
+};
+
+/**
+ * Calculates the squared length of a vec2
+ *
+ * @param {vec2} a vector to calculate squared length of
+ * @returns {Number} squared length of a
+ */
+function squaredLength(a) {
+  var x = a[0],
+      y = a[1];
+  return x * x + y * y;
+};
+
+/**
+ * Negates the components of a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to negate
+ * @returns {vec2} out
+ */
+function negate(out, a) {
+  out[0] = -a[0];
+  out[1] = -a[1];
+  return out;
+};
+
+/**
+ * Returns the inverse of the components of a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to invert
+ * @returns {vec2} out
+ */
+function inverse(out, a) {
+  out[0] = 1.0 / a[0];
+  out[1] = 1.0 / a[1];
+  return out;
+};
+
+/**
+ * Normalize a vec2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a vector to normalize
+ * @returns {vec2} out
+ */
+function normalize(out, a) {
+  var x = a[0],
+      y = a[1];
+  var len = x * x + y * y;
+  if (len > 0) {
+    //TODO: evaluate use of glm_invsqrt here?
+    len = 1 / Math.sqrt(len);
+    out[0] = a[0] * len;
+    out[1] = a[1] * len;
+  }
+  return out;
+};
+
+/**
+ * Calculates the dot product of two vec2's
+ *
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {Number} dot product of a and b
+ */
+function dot(a, b) {
+  return a[0] * b[0] + a[1] * b[1];
+};
+
+/**
+ * Computes the cross product of two vec2's
+ * Note that the cross product must by definition produce a 3D vector
+ *
+ * @param {vec3} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @returns {vec3} out
+ */
+function cross(out, a, b) {
+  var z = a[0] * b[1] - a[1] * b[0];
+  out[0] = out[1] = 0;
+  out[2] = z;
+  return out;
+};
+
+/**
+ * Performs a linear interpolation between two vec2's
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the first operand
+ * @param {vec2} b the second operand
+ * @param {Number} t interpolation amount between the two inputs
+ * @returns {vec2} out
+ */
+function lerp(out, a, b, t) {
+  var ax = a[0],
+      ay = a[1];
+  out[0] = ax + t * (b[0] - ax);
+  out[1] = ay + t * (b[1] - ay);
+  return out;
+};
+
+/**
+ * Generates a random vector with the given scale
+ *
+ * @param {vec2} out the receiving vector
+ * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
+ * @returns {vec2} out
+ */
+function random(out, scale) {
+  scale = scale || 1.0;
+  var r = glMatrix.RANDOM() * 2.0 * Math.PI;
+  out[0] = Math.cos(r) * scale;
+  out[1] = Math.sin(r) * scale;
+  return out;
+};
+
+/**
+ * Transforms the vec2 with a mat2
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the vector to transform
+ * @param {mat2} m matrix to transform with
+ * @returns {vec2} out
+ */
+function transformMat2(out, a, m) {
+  var x = a[0],
+      y = a[1];
+  out[0] = m[0] * x + m[2] * y;
+  out[1] = m[1] * x + m[3] * y;
+  return out;
+};
+
+/**
+ * Transforms the vec2 with a mat2d
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the vector to transform
+ * @param {mat2d} m matrix to transform with
+ * @returns {vec2} out
+ */
+function transformMat2d(out, a, m) {
+  var x = a[0],
+      y = a[1];
+  out[0] = m[0] * x + m[2] * y + m[4];
+  out[1] = m[1] * x + m[3] * y + m[5];
+  return out;
+};
+
+/**
+ * Transforms the vec2 with a mat3
+ * 3rd vector component is implicitly '1'
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the vector to transform
+ * @param {mat3} m matrix to transform with
+ * @returns {vec2} out
+ */
+function transformMat3(out, a, m) {
+  var x = a[0],
+      y = a[1];
+  out[0] = m[0] * x + m[3] * y + m[6];
+  out[1] = m[1] * x + m[4] * y + m[7];
+  return out;
+};
+
+/**
+ * Transforms the vec2 with a mat4
+ * 3rd vector component is implicitly '0'
+ * 4th vector component is implicitly '1'
+ *
+ * @param {vec2} out the receiving vector
+ * @param {vec2} a the vector to transform
+ * @param {mat4} m matrix to transform with
+ * @returns {vec2} out
+ */
+function transformMat4(out, a, m) {
+  var x = a[0];
+  var y = a[1];
+  out[0] = m[0] * x + m[4] * y + m[12];
+  out[1] = m[1] * x + m[5] * y + m[13];
+  return out;
 }
-;
 
+/**
+ * Returns a string representation of a vector
+ *
+ * @param {vec2} a vector to represent as a string
+ * @returns {String} string representation of the vector
+ */
+function str(a) {
+  return 'vec2(' + a[0] + ', ' + a[1] + ')';
+}
 
+/**
+ * Returns whether or not the vectors exactly have the same elements in the same position (when compared with ===)
+ *
+ * @param {vec2} a The first vector.
+ * @param {vec2} b The second vector.
+ * @returns {Boolean} True if the vectors are equal, false otherwise.
+ */
+function exactEquals(a, b) {
+  return a[0] === b[0] && a[1] === b[1];
+}
 
+/**
+ * Returns whether or not the vectors have approximately the same elements in the same position.
+ *
+ * @param {vec2} a The first vector.
+ * @param {vec2} b The second vector.
+ * @returns {Boolean} True if the vectors are equal, false otherwise.
+ */
+function equals(a, b) {
+  var a0 = a[0],
+      a1 = a[1];
+  var b0 = b[0],
+      b1 = b[1];
+  return Math.abs(a0 - b0) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= glMatrix.EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1));
+}
 
+/**
+ * Alias for {@link vec2.length}
+ * @function
+ */
+var len = exports.len = length;
 
+/**
+ * Alias for {@link vec2.subtract}
+ * @function
+ */
+var sub = exports.sub = subtract;
 
+/**
+ * Alias for {@link vec2.multiply}
+ * @function
+ */
+var mul = exports.mul = multiply;
 
+/**
+ * Alias for {@link vec2.divide}
+ * @function
+ */
+var div = exports.div = divide;
 
+/**
+ * Alias for {@link vec2.distance}
+ * @function
+ */
+var dist = exports.dist = distance;
 
+/**
+ * Alias for {@link vec2.squaredDistance}
+ * @function
+ */
+var sqrDist = exports.sqrDist = squaredDistance;
 
+/**
+ * Alias for {@link vec2.squaredLength}
+ * @function
+ */
+var sqrLen = exports.sqrLen = squaredLength;
 
+/**
+ * Perform some operation over an array of vec2s.
+ *
+ * @param {Array} a the array of vectors to iterate over
+ * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed
+ * @param {Number} offset Number of elements to skip at the beginning of the array
+ * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
+ * @param {Function} fn Function to call for each vector in the array
+ * @param {Object} [arg] additional argument to pass to fn
+ * @returns {Array} a
+ * @function
+ */
+var forEach = exports.forEach = function () {
+  var vec = create();
 
+  return function (a, stride, offset, count, fn, arg) {
+    var i = void 0,
+        l = void 0;
+    if (!stride) {
+      stride = 2;
+    }
 
-  })(shim.exports);
-})(this);
+    if (!offset) {
+      offset = 0;
+    }
+
+    if (count) {
+      l = Math.min(count * stride + offset, a.length);
+    } else {
+      l = a.length;
+    }
+
+    for (i = offset; i < l; i += stride) {
+      vec[0] = a[i];vec[1] = a[i + 1];
+      fn(vec, vec, arg);
+      a[i] = vec[0];a[i + 1] = vec[1];
+    }
+
+    return a;
+  };
+}();
+
+/***/ })
+/******/ ]);
+});
\ No newline at end of file
diff --git a/code/particles/itemboxShard.js b/code/particles/itemboxShard.js
index e3e4af9..2ebbd71 100644
--- a/code/particles/itemboxShard.js
+++ b/code/particles/itemboxShard.js
@@ -5,35 +5,35 @@
 //
 
 window.ItemShard = function(scene, targ, model) {
-	var t = this;
-	t.update = update;
-	t.draw = draw;
+    var t = this;
+    t.update = update;
+    t.draw = draw;
 
-	t.time = 0;
-	t.pos = vec3.clone(targ.pos);
-	t.vel = vec3.add([], targ.vel, [(Math.random()-0.5)*5, Math.random()*7, (Math.random()-0.5)*5]);
-	t.dirVel = [(Math.random()-0.5), (Math.random()-0.5), (Math.random()-0.5)];
-	t.dir = [Math.random()*2*Math.PI, Math.random()*2*Math.PI, Math.random()*2*Math.PI];
-	t.scale = Math.random()+0.5;
-	t.scale = [t.scale, t.scale, t.scale];
+    t.time = 0;
+    t.pos = vec3.clone(targ.pos);
+    t.vel = vec3.add([], targ.vel, [(Math.random()-0.5)*5, Math.random()*7, (Math.random()-0.5)*5]);
+    t.dirVel = [(Math.random()-0.5), (Math.random()-0.5), (Math.random()-0.5)];
+    t.dir = [Math.random()*2*Math.PI, Math.random()*2*Math.PI, Math.random()*2*Math.PI];
+    t.scale = Math.random()+0.5;
+    t.scale = [t.scale, t.scale, t.scale];
 
-	function update(scene) {
-		vec3.add(t.pos, t.pos, t.vel);
-		vec3.add(t.vel, t.vel, [0, -0.17, 0]);
-		vec3.add(t.dir, t.dir, t.dirVel);
+    function update(scene) {
+        vec3.add(t.pos, t.pos, t.vel);
+        vec3.add(t.vel, t.vel, [0, -0.17, 0]);
+        vec3.add(t.dir, t.dir, t.dirVel);
 
-		if (t.time++ > 30) scene.removeParticle(t);
-	}
+        if (t.time++ > 30) scene.removeParticle(t);
+    }
 
-	function draw(view, pMatrix, gl) {
-		var mat = mat4.translate(mat4.create(), view, t.pos);
-			
-		mat4.rotateZ(mat, mat, t.dir[2]);
-		mat4.rotateY(mat, mat, t.dir[1]);
-		mat4.rotateX(mat, mat, t.dir[0]);
+    function draw(view, pMatrix, gl) {
+        var mat = mat4.translate(mat4.create(), view, t.pos);
+            
+        mat4.rotateZ(mat, mat, t.dir[2]);
+        mat4.rotateY(mat, mat, t.dir[1]);
+        mat4.rotateX(mat, mat, t.dir[0]);
 
-		mat4.scale(mat, mat, vec3.scale([], t.scale, 16));
-		model.draw(mat, pMatrix);
-	}
+        mat4.scale(mat, mat, vec3.scale([], t.scale, 16));
+        model.draw(mat, pMatrix);
+    }
 
 }
\ No newline at end of file
diff --git a/code/particles/nitroEmitter.js b/code/particles/nitroEmitter.js
new file mode 100644
index 0000000..d32268b
--- /dev/null
+++ b/code/particles/nitroEmitter.js
@@ -0,0 +1,173 @@
+//
+// nitroEmitter.js
+//--------------------
+// Implemtents the generic nitro particle emitter.
+// by riperiperi
+//
+
+window.NitroEmitter = function(scene, targ, emitterID, vector, offset) {
+    var t = this;
+    t.update = update;
+    t.draw = draw;
+
+    var pRes = scene.gameRes.RaceEffect;
+    var emitter = (emitterID == -1)?null:pRes.particles[emitterID];
+    t.attached = targ; //an entity with pos and vel.
+
+    if (vector == null) vector = [0, 1, 0];
+    if (offset == null) offset = [0,0,0];
+    t.offset = offset;
+    t.vector = vector;
+    t.pctParticle = 0;
+    t.time = 0;
+    t.dead = false;
+    t.curPrio = 0;
+    t.doNotDelete = (emitter == null);
+    t.pause = false;
+
+    t.setEmitter = setEmitter;
+    t.clearEmitter = clearEmitter;
+
+    var particleList = [emitterID, -1, -1, -1];
+
+    function setEmitter(emitterID, prio) {
+        particleList[prio] = emitterID;
+        if (t.curPrio <= prio) {
+            //activate this emitter immediately.
+            t.curPrio = prio;
+            t.dead = false;
+            emitter = pRes.particles[emitterID];
+            t.time = 0;
+        }
+    }
+
+    function clearEmitter(prio) {
+        //if (t.curPrio > prio) return; //this emitter cannot be unset
+        if (prio == t.curPrio) {
+            findNextEmitter();
+        } else {
+            particleList[prio] = -1;
+        }
+    }
+
+    function findNextEmitter() {
+        particleList[t.curPrio] = -1;
+        var em = t.curPrio-1;
+        while (em >= 0) {
+            if (particleList[em] != -1) {
+                t.dead = false;
+                emitter = pRes.particles[particleList[em]];
+                t.time = 0;
+                t.curPrio = em;
+                return;
+            }
+            em--;
+        }
+        if (em == -1) {
+            t.curPrio = 0;
+            emitter = null;
+            dead = true;
+        }
+        t.curPrio = em;
+    }
+
+    function update(scene) {
+        if (emitter == null || t.dead || t.pause) return;
+        if ((t.time % (emitter.frequency)) == 0 && t.time >= emitter.delay) {
+            //should we create new particles? fractional logic for doing this
+            t.pctParticle += emitter.particleChance;
+            while (t.pctParticle >= 1) {
+
+                var attach = (emitter.flag & 0x8000) > 0;
+
+                t.pctParticle -= 1;
+                //create a new particle
+                //TODO: make these transform with the target's world matrix
+                var pos = vec3.create();
+                //add offset
+                vec3.add(pos, pos, t.offset);
+                //add emitter properties
+                vec3.add(pos, pos, emitter.position);
+                var spread = [Math.random()*2-1, Math.random()*2-1, Math.random()*2-1];
+                var spreadMode = (emitter.flag & 0xF);
+                if (spreadMode == 2) {
+                    spread[1] = 0; //spread is only in xz direction
+                }
+                vec3.normalize(spread, spread);
+                if (spreadMode == 0) {
+                    spread = [0,0,0];
+                }
+                vec3.scale(spread, spread, Math.random()*emitter.areaSpread*2);
+                vec3.add(pos, pos, spread);
+
+                vec3.scale(pos, pos, 16);
+                if (!attach) {
+                    if (targ.mat != null) {
+                        vec3.transformMat4(pos, pos, targ.mat);
+                    } else {
+                        vec3.add(pos, pos, targ.pos);
+                    }
+                }
+
+                //inherit velocity
+                var vel = (attach)?vec3.create():vec3.clone(targ.vel);
+                vec3.scale(vel, vel, 1/32);
+
+                var vector = vec3.clone(t.vector);
+                if (!attach) {
+                    if (targ.mat != null) {
+                        //tranform our vector by the target matrix
+                        var mat = targ.mat;
+                        var org = [];
+                        mat4.getTranslation(org, mat);
+                        mat[12] = 0;
+                        mat[13] = 0;
+                        mat[14] = 0;
+
+                        vec3.transformMat4(vector, vector, mat);
+
+                        mat[12] = org[0];
+                        mat[13] = org[1];
+                        mat[14] = org[2];
+                    }
+                }
+                vec3.normalize(vector, vector);
+                vec3.add(vel, vel, vec3.scale([], vector, emitter.velocity));
+
+                var xz = [Math.random()*2-1, 0, Math.random()*2-1];
+                vec3.normalize(xz, xz);
+                vec3.scale(xz, xz, Math.random()*emitter.randomxz);
+                vec3.add(vel, vel, xz);
+
+                var rotVel = ((emitter.rotVelFrom + ((Math.random()*emitter.rotVelTo-emitter.rotVelFrom) | 0))/65535) * Math.PI*2;
+                var dir = ((emitter.flag & 0x2000) > 0)?(Math.random()*Math.PI*2):0;
+                var duration = emitter.duration + emitter.duration * emitter.varDuration/0xFF * (Math.random() * 2 - 1);
+                var scaleMod = (emitter.varScale/0xFF * (Math.random() * 2 - 1)) + 1;
+
+                var scale = [scaleMod * emitter.size, scaleMod * emitter.size * emitter.aspect];
+
+                var particle = new NitroParticle(scene, emitter, pos, vel, dir, rotVel, duration, scale, (attach?t.attached:null));
+                particle.ovel = (attach)?vec3.create():vec3.scale([], targ.vel, 1/32);
+
+                scene.particles.push(particle);
+            }
+
+
+            var pos = vec3.clone(targ.pos);
+
+        }
+        t.time++;
+
+        if (t.time == emitter.emitterLifetime) {
+            t.dead = true;
+            if (!t.doNotDelete) scene.removeParticle(t);
+            else {
+                findNextEmitter();
+            }
+        }
+    }
+
+    function draw(view, pMatrix, gl) {
+
+    }
+}
\ No newline at end of file
diff --git a/code/particles/nitroParticle.js b/code/particles/nitroParticle.js
new file mode 100644
index 0000000..0cf1084
--- /dev/null
+++ b/code/particles/nitroParticle.js
@@ -0,0 +1,251 @@
+//
+// nitroParticle.js
+//--------------------
+// Implements a generic nitro particle. Currently positioned and updated in software for debug
+// simplicity - but should be moved to vertex shader in future.
+// by riperiperi
+//
+
+window.NitroParticle = function(scene, emitter, pos, vel, dir, dirVel, duration, scale, attached) {
+    var t = this;
+    t.update = update;
+    t.draw = draw;
+
+    t.time = 0;
+    t.duration = duration | 0;
+    t.pos = vec3.add(pos, pos, [0, 0, 0]);
+    t.vel = vel;
+    t.dirVel = dirVel; //float
+    t.dir = dir; //float
+    t.attached = attached;
+    t.scale = scale; //vec2
+    t.emitter = emitter;
+
+    t.aScale = 1;
+    //decode 16 bit color into float
+    t.baseColor = convertCol(emitter.color);
+    t.baseColor[3] = emitter.opacity / 0x1F;
+    t.aColor = vec4.clone(t.baseColor);
+
+    t.frame = emitter.textureId;
+    if (t.emitter.texAnim)
+        t.frame = t.emitter.texAnim.textures[0];
+
+    function convertCol(col) {
+        return [
+        ((col&31)/31), 
+        (((col>>5)&31)/31),
+        (((col>>10)&31)/31),
+        1 //Math.round((col>>15)*255);
+        ];
+    }
+
+    function update(scene) {
+        var particlePct = t.time / t.duration;
+
+        t.pos[0] += t.vel[0] * 16;
+        t.pos[1] += t.vel[1] * (t.emitter.yOffIntensity/128) * 16;
+        t.pos[2] += t.vel[2] * 16;
+        if (t.emitter.gravity) {
+            vec3.add(t.vel, t.vel, t.emitter.gravity);
+        }
+        if (t.emitter.colorAnim) {
+            var ca = t.emitter.colorAnim;
+            var from = convertCol(ca.colorFrom);
+            var to = convertCol(ca.colorTo);
+            var pctFloat = (ca.framePct/0xFFFF);
+            vec4.lerp(t.aColor, from, to, Math.max(0, (particlePct - pctFloat)/(1 - pctFloat)));
+            t.aColor[3] = t.emitter.opacity/0x1F;
+        } else {
+            t.aColor = vec4.clone(t.baseColor);
+        }
+        if (t.emitter.opacityAnim) {
+            var oa = t.emitter.opacityAnim;
+            var pctFade = oa.startFade / 0xFFFF;
+            var opaMul = 1-Math.max(0, (particlePct - pctFade)/(1 - pctFade));
+            t.aColor[3] = opaMul;// * oa.intensity/0x0FFF;
+            //vec4.scale(t.aColor, t.aColor, opaMul);
+        }
+        if (t.emitter.texAnim) {
+            var ta = t.emitter.texAnim;
+            var frame = 0;
+            if ((ta.unknown1 & 128) > 0) {
+                //select frame based on particle duration
+                var frame = ta.textures[Math.min((particlePct * ta.frames) | 0, ta.frames-1)];
+            } else {
+                //repeating anim with framerate
+                //not sure what framerate is, but its likely in the unknowns.
+                var frame = ta.textures[(t.time % ta.frames)];
+            }
+            t.frame = frame;
+        }
+
+        t.dir += t.dirVel;
+
+        if (t.time++ >= t.duration) scene.removeParticle(t);
+    }
+
+    function draw(view, pMatrix, gl) {
+        var particlePct = t.time / t.duration;
+
+        var pos = t.pos;
+        var vel = t.vel;
+
+        if (t.attached != null) {
+            pos = vec3.transformMat4([], pos, t.attached.mat);
+
+            
+            //tranform our vector by the target matrix
+            var mat = t.attached.mat;
+            var org = [];
+
+            mat4.getTranslation(org, mat);
+            mat[12] = 0;
+            mat[13] = 0;
+            mat[14] = 0;
+
+            vel = vec3.transformMat4([], vel, mat);
+
+            mat[12] = org[0];
+            mat[13] = org[1];
+            mat[14] = org[2];
+            
+        }
+
+        var mat = mat4.translate(mat4.create(), view, pos);
+            
+        var bbMode = t.emitter.flag & 0xF0;
+
+        if (bbMode == 0x10) { //spark, billboards towards camera
+            var camPos = scene.camera.view.pos;
+
+            camPos = vec3.sub([], camPos, pos);
+            vec3.normalize(camPos, camPos);
+
+            var n = vec3.sub([], vel, t.ovel);
+            vec3.normalize(n,n);
+            mat4.multiply(mat, mat, mat4.invert([], mat4.lookAt([], [0,0,0], camPos, n)));
+            
+        } else if (bbMode == 0x20) { //no billboard
+            mat4.rotateY(mat, mat, t.dir);
+        } else if (bbMode == 0x30) { //spark, no billboard
+            var camPos = scene.camera.view.pos;
+
+            camPos = vec3.sub([], camPos, pos);
+            vec3.normalize(camPos, camPos);
+
+            var n = vec3.sub([], vel, t.ovel);
+            vec3.normalize(n,n);
+            mat4.multiply(mat, mat, mat4.invert([], mat4.lookAt([], [0,0,0], camPos, n)));
+            mat4.rotateY(mat, mat, t.dir);
+        } else { //billboard
+            mat4.multiply(mat, mat, nitroRender.billboardMat);
+            mat4.rotateZ(mat, mat, t.dir);
+        }
+        var finalScale = 1;
+        if (t.emitter.scaleAnim) {
+            var sa = t.emitter.scaleAnim;
+            if (particlePct < sa.fromZeroTime) {
+                var fzPct = particlePct / sa.fromZeroTime;
+                finalScale = sa.scaleFrom * fzPct;
+            } else {
+                var rescaledPct = Math.min(1, (particlePct - sa.fromZeroTime) / (1-(sa.fromZeroTime + sa.holdTime*(1-sa.fromZeroTime))));
+                finalScale = sa.scaleFrom * (1-rescaledPct) + sa.scaleTo * rescaledPct;
+            }
+        }
+        mat4.scale(mat, mat, vec3.scale([], [t.scale[0], t.scale[1], 1], 12*finalScale));
+        mat4.translate(mat, mat, [t.emitter.xScaleDelta, t.emitter.yScaleDelta, 0]);
+
+        drawGeneric(mat, pMatrix, gl);
+    }
+
+    var MAT3I = mat3.create();
+    var MAT4I = mat4.create();
+    function drawGeneric(mv, project, gl) {
+        var shader = nitroRender.nitroShader;
+        if (!nitroRender.flagShadow) {
+            gl.uniform1f(shader.shadOffUniform, 0.001);
+            gl.uniform1f(shader.lightIntensityUniform, 0);
+        }
+        if (window.VTX_PARTICLE == null) genGlobalVtx(gl);
+        var obj = window.VTX_PARTICLE;
+
+        nitroRender.setColMult(t.aColor);
+
+        gl.uniformMatrix4fv(shader.mvMatrixUniform, false, mv);
+        gl.uniformMatrix4fv(shader.pMatrixUniform, false, project);
+        //matrix stack unused, just put an identity in slot 0
+        gl.uniformMatrix4fv(shader.matStackUniform, false, MAT4I);
+
+        var frame = t.emitter.parent.getTexture(t.frame, gl);
+        gl.bindTexture(gl.TEXTURE_2D, frame);
+        //texture matrix not used
+        gl.uniformMatrix3fv(shader.texMatrixUniform, false, MAT3I);
+        if (obj != nitroRender.last.obj) {
+            gl.bindBuffer(gl.ARRAY_BUFFER, obj.vPos);
+            gl.vertexAttribPointer(shader.vertexPositionAttribute, 3, gl.FLOAT, false, 0, 0);
+
+            gl.bindBuffer(gl.ARRAY_BUFFER, obj.vTx);
+            gl.vertexAttribPointer(shader.textureCoordAttribute, 2, gl.FLOAT, false, 0, 0);
+
+            gl.bindBuffer(gl.ARRAY_BUFFER, obj.vCol);
+            gl.vertexAttribPointer(shader.colorAttribute, 4, gl.FLOAT, false, 0, 0);
+
+            gl.bindBuffer(gl.ARRAY_BUFFER, obj.vMat);
+            gl.vertexAttribPointer(shader.matAttribute, 1, gl.FLOAT, false, 0, 0);
+
+            gl.bindBuffer(gl.ARRAY_BUFFER, obj.vNorm);
+            gl.vertexAttribPointer(shader.normAttribute, 3, gl.FLOAT, false, 0, 0);
+            nitroRender.last.obj = obj;
+        }
+
+        gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
+
+        nitroRender.setColMult([1, 1, 1, 1]);
+        if (!nitroRender.flagShadow) {
+            nitroRender.resetShadOff();
+            gl.uniform1f(shader.lightIntensityUniform, 0.3);
+        }
+    }
+
+    function genGlobalVtx(gl) {
+        var vecPos = [-1,-1,0, 1,-1,0, -1,1,0, 1,1,0];
+        var vecTx = [1,1, 0,1, 1,0, 0,0];
+        var vecCol = [1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1];
+        var vecMat = [0,0,0,0];
+        var vecNorm = [0,1,0, 0,1,0, 0,1,0, 0,1,0];
+
+        var pos = gl.createBuffer();
+        var col = gl.createBuffer();
+        var tx = gl.createBuffer();
+        var mat = gl.createBuffer();
+        var norm = gl.createBuffer();
+
+        var posArray = new Float32Array(vecPos);
+
+        gl.bindBuffer(gl.ARRAY_BUFFER, pos);
+        gl.bufferData(gl.ARRAY_BUFFER, posArray, gl.STATIC_DRAW);
+
+        gl.bindBuffer(gl.ARRAY_BUFFER, tx);
+        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vecTx), gl.STATIC_DRAW);
+
+        gl.bindBuffer(gl.ARRAY_BUFFER, col);
+        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vecCol), gl.STATIC_DRAW);
+
+        gl.bindBuffer(gl.ARRAY_BUFFER, mat);
+        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vecMat), gl.STATIC_DRAW);
+
+        gl.bindBuffer(gl.ARRAY_BUFFER, norm);
+        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vecNorm), gl.STATIC_DRAW);
+
+        window.VTX_PARTICLE = {
+            posArray: posArray,
+            vPos: pos,
+            vTx: tx,
+            vCol: col,
+            vMat: mat,
+            vNorm: norm,
+            verts: vecPos.length/3,
+        };
+    }
+}
\ No newline at end of file
diff --git a/code/render/nitroRender.js b/code/render/nitroRender.js
index 16c0c6f..65d8a96 100644
--- a/code/render/nitroRender.js
+++ b/code/render/nitroRender.js
@@ -246,10 +246,9 @@ window.nitroRender = new function() {
 
 		gl.uniformMatrix4fv(shader.shadowMatUniform, false, sMat);
 		gl.uniformMatrix4fv(shader.farShadowMatUniform, false, fsMat);
+		gl.uniform1f(shader.lightIntensityUniform, 0.3);
 
-		gl.uniform1f(shader.shadOffUniform, 0.00005+((mobile)?0.0005:0));
-		gl.uniform1f(shader.farShadOffUniform, 0.0005);
-
+		this.resetShadOff();
 		gl.activeTexture(gl.TEXTURE1);
 		gl.bindTexture(gl.TEXTURE_2D, sTex);
 		gl.uniform1i(shader.lightSamplerUniform, 1);
@@ -262,6 +261,12 @@ window.nitroRender = new function() {
 		this.prepareShader();
 	}
 
+	this.resetShadOff = function() {
+		var shader = shaders[1];
+		gl.uniform1f(shader.shadOffUniform, 0.00005+((mobile)?0.0005:0));
+		gl.uniform1f(shader.farShadOffUniform, 0.0005);
+	}
+
 	this.unsetShadowMode = function() {
 		this.nitroShader = shaders[0];
 		gl.useProgram(this.nitroShader);
@@ -384,7 +389,7 @@ function nitroModel(bmd, btx, remap) {
 	}
 
 	if (remap != null) {
-		setTextureRemap(remap)
+		setTextureRemap(remap);
 	}
 
 	if (btx != null) {
diff --git a/code/render/nitroShaders.js b/code/render/nitroShaders.js
index 9b9fe37..2ecd22a 100644
--- a/code/render/nitroShaders.js
+++ b/code/render/nitroShaders.js
@@ -16,9 +16,39 @@ window.nitroShaders = new (function() {
 	\n\
 	uniform sampler2D uSampler;\n\
 	\n\
+	float indexValue() {\n\
+	    int x = int(mod(gl_FragCoord.x, 4.0));\n\
+	    int y = int(mod(gl_FragCoord.y, 4.0));\n\
+	    int i = (x + y * 4);\n\
+	    if (i == 0) return 0.0;\n\
+	    else if (i == 1) return 8.0;\n\
+	    else if (i == 2) return 2.0;\n\
+	    else if (i == 3) return 10.0;\n\
+	    else if (i == 4) return 12.0;\n\
+	    else if (i == 5) return 4.0;\n\
+	    else if (i == 6) return 14.0;\n\
+	    else if (i == 7) return 6.0;\n\
+	    else if (i == 8) return 3.0;\n\
+	    else if (i == 9) return 11.0;\n\
+	    else if (i == 10) return 1.0;\n\
+	    else if (i == 11) return 9.0;\n\
+	    else if (i == 12) return 15.0;\n\
+	    else if (i == 13) return 7.0;\n\
+	    else if (i == 14) return 13.0;\n\
+	    else if (i == 15) return 5.0;\n\
+	}\n\
+	\n\
+	float dither(float color) {\n\
+	    float closestColor = (color < 0.5) ? 0.0 : 1.0;\n\
+	    float secondClosestColor = 1.0 - closestColor;\n\
+	    float d = indexValue();\n\
+	    float distance = abs(closestColor - color);\n\
+	    return (distance < d) ? closestColor : secondClosestColor;\n\
+	}\n\
+	\n\
 	void main(void) {\n\
 		gl_FragColor = texture2D(uSampler, vTextureCoord)*color;\n\
-		if (gl_FragColor.a == 0.0) discard;\n\
+		if (gl_FragColor.a < 1.0 && (gl_FragColor.a == 0.0 || dither(gl_FragColor.a) == 0.0)) discard;\n\
 	}"
 
 	this.defaultVert = "attribute vec3 aVertexPosition;\n\
@@ -62,20 +92,20 @@ window.nitroShaders = new (function() {
 	\n\
 	uniform sampler2D uSampler;\n\
 	\n\
-	float shadowCompare(sampler2D map, vec2 pos, float compare) {\n\
+	float shadowCompare(sampler2D map, vec2 pos, float compare, float so) {\n\
 		float depth = texture2D(map, pos).r;\n\
-		return step(compare, depth);\n\
+		return smoothstep(compare-so, compare, depth);\n\
 	}\n\
 	\n\
-	float shadowLerp(sampler2D depths, vec2 size, vec2 uv, float compare){\n\
+	float shadowLerp(sampler2D depths, vec2 size, vec2 uv, float compare, float so){\n\
 		vec2 texelSize = vec2(1.0)/size;\n\
 		vec2 f = fract(uv*size+0.5);\n\
 		vec2 centroidUV = floor(uv*size+0.5)/size;\n\
 		\n\
-		float lb = shadowCompare(depths, centroidUV+texelSize*vec2(0.0, 0.0), compare);\n\
-		float lt = shadowCompare(depths, centroidUV+texelSize*vec2(0.0, 1.0), compare);\n\
-		float rb = shadowCompare(depths, centroidUV+texelSize*vec2(1.0, 0.0), compare);\n\
-		float rt = shadowCompare(depths, centroidUV+texelSize*vec2(1.0, 1.0), compare);\n\
+		float lb = shadowCompare(depths, centroidUV+texelSize*vec2(0.0, 0.0), compare, so);\n\
+		float lt = shadowCompare(depths, centroidUV+texelSize*vec2(0.0, 1.0), compare, so);\n\
+		float rb = shadowCompare(depths, centroidUV+texelSize*vec2(1.0, 0.0), compare, so);\n\
+		float rt = shadowCompare(depths, centroidUV+texelSize*vec2(1.0, 1.0), compare, so);\n\
 		float a = mix(lb, lt, f.y);\n\
 		float b = mix(rb, rt, f.y);\n\
 		float c = mix(a, b, f.x);\n\
@@ -89,14 +119,14 @@ window.nitroShaders = new (function() {
 		float dist = max(ldNorm.x, ldNorm.y);\n\
 		\n\
 		if (dist > 0.5) {\n\
-			gl_FragColor = col*mix(vec4(0.5, 0.5, 0.7, 1.0), vec4(1.0, 1.0, 1.0, 1.0), shadowLerp(farLightDSampler, vec2(4096.0, 4096.0), fLightDist.xy, fLightDist.z-farShadOff));\n\
+			gl_FragColor = col*mix(vec4(0.5, 0.5, 0.7, 1.0), vec4(1.0, 1.0, 1.0, 1.0), shadowLerp(farLightDSampler, vec2(4096.0, 4096.0), fLightDist.xy, fLightDist.z-farShadOff, farShadOff*2.0));\n\
 		} else if (dist > 0.4) {\n\
-			float lerp1 = shadowLerp(farLightDSampler, vec2(4096.0, 4096.0), fLightDist.xy, fLightDist.z-farShadOff);\n\
-			float lerp2 = shadowLerp(lightDSampler, vec2(2048.0, 2048.0), lightDist.xy, lightDist.z-shadOff);\n\
+			float lerp1 = shadowLerp(farLightDSampler, vec2(4096.0, 4096.0), fLightDist.xy, fLightDist.z-farShadOff, farShadOff*2.0);\n\
+			float lerp2 = shadowLerp(lightDSampler, vec2(2048.0, 2048.0), lightDist.xy, lightDist.z-shadOff, shadOff*4.0);\n\
 			\n\
 			gl_FragColor = col*mix(vec4(0.5, 0.5, 0.7, 1.0), vec4(1.0, 1.0, 1.0, 1.0), mix(lerp2, lerp1, (dist-0.4)*10.0));\n\
 		} else {\n\
-			gl_FragColor = col*mix(vec4(0.5, 0.5, 0.7, 1.0), vec4(1.0, 1.0, 1.0, 1.0), shadowLerp(lightDSampler, vec2(2048.0, 2048.0), lightDist.xy, lightDist.z-shadOff));\n\
+			gl_FragColor = col*mix(vec4(0.5, 0.5, 0.7, 1.0), vec4(1.0, 1.0, 1.0, 1.0), shadowLerp(lightDSampler, vec2(2048.0, 2048.0), lightDist.xy, lightDist.z-shadOff, shadOff*4.0));\n\
 		}\n\
 		\n\
 		if (gl_FragColor.a == 0.0) discard;\n\
@@ -118,6 +148,7 @@ window.nitroShaders = new (function() {
 	\n\
 	uniform mat4 shadowMat;\n\
 	uniform mat4 farShadowMat;\n\
+	uniform float lightIntensity; \n\
 	\n\
 	varying vec2 vTextureCoord;\n\
 	varying vec4 color;\n\
@@ -133,7 +164,7 @@ window.nitroShaders = new (function() {
 		lightDist = (shadowMat*pos + vec4(1, 1, 1, 0)) / 2.0;\n\
 		fLightDist = (farShadowMat*pos + vec4(1, 1, 1, 0)) / 2.0;\n\
 		vec3 adjNorm = normalize(vec3(uMVMatrix * matStack[int(matrixID)] * vec4(aNormal, 0.0)));\n\
-		float diffuse = 0.7-dot(adjNorm, vec3(0.0, -1.0, 0.0))*0.3;\n\
+		float diffuse = (1.0-lightIntensity)-dot(adjNorm, vec3(0.0, -1.0, 0.0))*lightIntensity;\n\
 		\n\
 		color = aColor*colMult;\n\
 		color = vec4(color.x*diffuse, color.y*diffuse, color.z*diffuse, color.w);\n\
@@ -270,6 +301,7 @@ window.nitroShaders = new (function() {
 	var shadUnif = [
 		["shadowMatUniform", "shadowMat"],
 		["farShadowMatUniform", "farShadowMat"],
+		["lightIntensityUniform", "lightIntensity"],
 
 		["shadOffUniform", "shadOff"],
 		["farShadOffUniform", "farShadOff"],
diff --git a/index.html b/index.html
index dcf0e9a..abecd07 100644
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-

	
	
	
	
	

	

	
	
	
	
	
	

	

	
	
	

	
	
	

	
	
	
	

	

	

	
	
	
	
	
	
	
	

	

	
	

	

	

	
	
	
	
	
	
	
	
	
	

	
	
	

	
	
	
	

	

	
	
	
	
	
	
	
	

	

	





	
	

	


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+

	
	
	
	
	

	

	
	
	
	
	
	

	

	
	
	

	
	
	

	
	
	
	

	

	

	
	
	
	
	
	
	
	

	
	
	

	
	

	

	

	
	
	
	
	
	
	
	
	
	

	
	
	

	
	
	
	

	

	
	
	
	
	
	
	
	

	

	





	
	

	


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