81 lines
1.8 KiB
JavaScript
81 lines
1.8 KiB
JavaScript
(function(
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Engine,
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Vector
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){
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Engine.Polygon = function(a, b, c, color, strokeColor){
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this.a = a;
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this.b = b;
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this.c = c;
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this.color = Engine.clone(color);
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this.strokeColor = strokeColor ? Engine.clone(strokeColor) : Engine.clone(color);
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if (strokeColor) {
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this.strokeColor = Engine.clone(strokeColor);
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} else {
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this.strokeColor = Engine.clone(color);
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}
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this.strokeWidth = 0.25;
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this.maxStrokeS = this.strokeColor.s;
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this.maxStrokeL = this.strokeColor.l;
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this.maxColorL = this.color.l;
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this.strokeColor.s = 0;
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this.strokeColor.l = 100;
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this.color.l = 0;
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this.fillStyle = this.hslaTemplate.substitute(this.color);
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this.strokeStyle = this.hslaTemplate.substitute(this.strokeColor);
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};
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Engine.Polygon.prototype = {
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rgbaTemplate: 'rgba({r},{g},{b},{a})',
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hslaTemplate: 'hsla({h},{s}%,{l}%,{a})',
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hueShiftSpeed: 20,
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duration: 2,
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delay: 0,
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start: 0,
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// Determine color fill?
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update: function(engine){
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var delta;
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if (this.simple) {
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return;
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}
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this.start += engine.tick;
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delta = this.start;
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if (
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delta > this.delay &&
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delta < this.delay + this.duration + 1 &&
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this.color.l < this.maxColorL
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) {
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this.color.l = this.maxColorL * (delta - this.delay) / this.duration;
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this.strokeColor.s = this.maxStrokeS * (delta - this.delay) / this.duration;
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this.strokeColor.l = (this.maxStrokeL - 100) * (delta - this.delay) / this.duration + 100;
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this.strokeWidth = 1.5 * (delta - this.delay) / this.duration + 0.25;
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if (this.color.l > this.maxColorL) {
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this.color.l = this.maxColorL;
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this.strokeColor.l = this.maxStrokeL;
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this.strokeWidth = 1.5;
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}
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this.strokeStyle = this.hslaTemplate.substitute(this.strokeColor);
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this.fillStyle = this.hslaTemplate.substitute(this.color);
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}
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}
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};
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})(window.Engine, window.Vector);
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