39 lines
1022 B
JavaScript
39 lines
1022 B
JavaScript
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//
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// itemboxShard.js
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//--------------------
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// by RHY3756547
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//
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window.ItemShard = function(scene, targ, model) {
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var t = this;
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t.update = update;
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t.draw = draw;
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t.time = 0;
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t.pos = vec3.clone(targ.pos);
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t.vel = vec3.add([], targ.vel, [(Math.random()-0.5)*5, Math.random()*7, (Math.random()-0.5)*5]);
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t.dirVel = [(Math.random()-0.5), (Math.random()-0.5), (Math.random()-0.5)];
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t.dir = [Math.random()*2*Math.PI, Math.random()*2*Math.PI, Math.random()*2*Math.PI];
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t.scale = Math.random()+0.5;
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t.scale = [t.scale, t.scale, t.scale];
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function update(scene) {
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vec3.add(t.pos, t.pos, t.vel);
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vec3.add(t.vel, t.vel, [0, -0.17, 0]);
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vec3.add(t.dir, t.dir, t.dirVel);
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if (t.time++ > 30) scene.removeParticle(t);
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}
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function draw(view, pMatrix, gl) {
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var mat = mat4.translate(mat4.create(), view, t.pos);
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mat4.rotateZ(mat, mat, t.dir[2]);
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mat4.rotateY(mat, mat, t.dir[1]);
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mat4.rotateX(mat, mat, t.dir[0]);
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mat4.scale(mat, mat, vec3.scale([], t.scale, 16));
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model.draw(mat, pMatrix);
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}
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}
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