29 lines
28 KiB
JavaScript
29 lines
28 KiB
JavaScript
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/**
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* @fileoverview gl-matrix - High performance matrix and vector operations
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* @author Brandon Jones
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* @author Colin MacKenzie IV
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* @version 2.2.1
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*/
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/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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(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 s=Math.PI/180;i.toRadian=function(e){return e*s};var o={};o.create=function(){var e=new n(2);return e[0]=0,e[1]=0,e},o.clone=function(e){var t=new n(2);return t[0]=e[0],t[1]=e[1],t},o.fromValues=function(e,t){var r=new n(2);return r[0]=e,r[1]=t,r},o.copy=function(e,t){return e[0]=t[0],e[1]=t[1],e},o.set=function(e,t,n){return e[0]=t,e[1]=n,e},o.add=function(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e},o.subtract=function(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e},o.sub=o.subtract,o.multiply=function(e,t,n){return e[0]=t[0]*n[0],e[1]=t[1]*n[1],e},o.mul=o.multiply,o.divide=function(e,t,n){return e[0]=t[0]/n[0],e[1]=t[1]/n[1],e},o.div=o.divide,o.min=function(e,t,n){return e[0]=Math.min(t[0],n[0]),e[1]=Math.min(t[1],n[1]),e},o.max=function(e,t,n){return e[0]=Math.max(t[0],n[0]),e[1]=Math.max(t[1],n[1]),e},o.scale=function(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e},o.scaleAndAdd=function(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e},o.distance=function(e,t){var n=t[0]-e[0],r=t[1]-e[1];return Math.sqrt(n*n+r*r)},o.dist=o.distance,o.squaredDistance=function(e,t){var n=t[0]-e[0],r=t[1]-e[1];return n*n+r*r},o.sqrDist=o.squaredDistance,o.length=function(e){var t=e[0],n=e[1];return Math.sqrt(t*t+n*n)},o.len=o.length,o.squaredLength=function(e){var t=e[0],n=e[1];return t*t+n*n},o.sqrLen=o.squaredLength,o.negate=function(e,t){return e[0]=-t[0],e[1]=-t[1],e},o.normalize=function(e,t){var n=t[0],r=t[1],i=n*n+r*r;return i>0&&(i=1/Math.sqrt(i),e[0]=t[0]*i,e[1]=t[1]*i),e},o.dot=function(e,t){return e[0]*t[0]+e[1]*t[1]},o.cross=function(e,t,n){var r=t[0]*n[1]-t[1]*n[0];return e[0]=e[1]=0,e[2]=r,e},o.lerp=function(e,t,n,r){var i=t[0],s=t[1];return e[0]=i+r*(n[0]-i),e[1]=s+r*(n[1]-s),e},o.random=function(e,t){t=t||1;var n=r()*2*Math.PI;return e[0]=Math.cos(n)*t,e[1]=Math.sin(n)*t,e},o.transformMat2=function(e,t,n){var r=t[0],i=t[1];return e[0]=n[0]*r+n[2]*i,e[1]=n[1]*r+n[3]*i,e},o.transformMat2d=function(e,t,n){var r=t[0],i=t[1];return e[0]=n[0]*r+n[2]*i+n[4],e[1]=n[1]*r+n[3]*i+n[5],e},o.transformMat3=function(e,t,n){var r=t[0],i=t[1];return e[0]=n[0]*r+n[3]*i+n[6],e[1]=n[1]*r+n[4]*i+n[7],e},o.transformMat4=function(e,t,n){var r=t[0],i=t[1];return e[0]=n[0]*r+n[4]*i+n[12],e[1]=n[1]*r+n[5]*i+n[13],e},o.forEach=function(){var e=o.create();return function(t,n,r,i,s,o){var u,a;n||(n=2),r||(r=0),i?a=Math.min(i*n+r,t.length):a=t.length;for(u=r;u<a;u+=n)e[0]=t[u],e[1]=t[u+1],s(e,e,o),t[u]=e[0],t[u+1]=e[1];return t}}(),o.str=function(e){return"vec2("+e[0]+", "+e[1]+")"},typeof e!="undefined"&&(e.vec2=o);var u={};u.create=function(){var e=new n(3);return e[0]=0,e[1]=0,e[2]=0,e},u.clone=function(e){var t=new n(3);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t},u.fromValues=function(e,t,r){var i=new n(3);return i[0]=e,i[1]=t,i[2]=r,i},u.copy=function(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e},u.set=function(e,t,n,r){return e[0]=t,e[1]=n,e[2]=r,e},u.add=function(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e},u.subtract=function(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e},u.sub=u.subtract,u.multiply=function(e,t,n){return e[0]=t[0]*n[0],e[1]=t[1]*n[1],e[2]=t[2]*n[2],e},u.mul=u.multiply,u.divide=function(e,t,n){return e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2],e},u.div=u.divide,u.min=function(e,t,n){return e[0]=Math.min(t[0],n[0]),e[1]=Math.min(t[1],n[1]),e[2]=Math.min(t[2],n[2]),e},u.max=function(e,t,n){return e[0]=Math.max(t[0],n[0]),e[1]=Math.max(t[1],n[1]),e[2]=Math.max(t[2],n[2]),e},u.scale=function(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e},u.scaleAndAdd=function(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e},u.distance=function(e,t)
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