733 lines
24 KiB
JavaScript
733 lines
24 KiB
JavaScript
var renderer;
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var stage;
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var screenWidth;
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var screenHeight;
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var counter;
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var totalScreenPixels;
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var cycleDuration;
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var connectionDistance;
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var connectionLimit;
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var pointShiftDistance;
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// var colorShiftAmt;
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var disconnectedColorShiftAmt;
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var polygon;
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var startPoints;
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var polygonPoints;
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var tweeningFns;
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var lastLoop;
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var thisLoop;
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var fps;
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var fpsGraphic;
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var scrollDelta;
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var pointShiftBiasX;
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var pointShiftBiasY;
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var resolution = 1;
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var debug = false;
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var fpsEnabled = debug;
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var allTweeningFns = [
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linearTweening,
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easeInSine,
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easeOutSine,
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easeInOutSine,
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easeInQuad,
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easeOutQuad,
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easeInOutQuad,
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easeInCubic,
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easeOutCubic,
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easeInOutCubic,
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easeInExpo,
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easeOutExpo,
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easeInOutExpo,
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easeInCirc,
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easeOutCirc,
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easeInOutCirc,
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easeOutBounce,
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easeInBounce,
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easeInOutBounce,
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easeInElastic,
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easeOutElastic,
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easeInOutElastic,
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easeInBack,
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easeOutBack,
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easeInOutBack
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];
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var tweeningSets = {
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linear: [0],
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meandering: [1, 2, 3, 4, 5, 6, 7, 8, 9],
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snappy: [10, 11, 12, 13, 14, 15],
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bouncy: [16, 17, 18],
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elastic: [19, 20, 21],
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back: [22, 23, 24]
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};
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var click = null;
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var hover = null;
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var lastHover = null;
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var clickEnd = false;
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var clickPullRateStart = 0.01;
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var clickMaxDistStart = 50;
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var clickPullRateInc = 0.005;
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var clickPullRateMax = 0.3;
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var clickMaxDistInc = 2;
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var clickMaxDistMax = 5000;
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var clickPullRate = clickPullRateStart;
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var clickMaxDist = clickMaxDistStart;
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var clickPullRateEnd = -0.6;
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var clickInertiaStart = -0.7;
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var clickInertia = clickInertiaStart;
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var clickInertiaEnd = 0.3;
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var clickTweeningFnStart = null;
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var clickTweeningFn = clickTweeningFnStart;
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var clickTweeningFnEnd = 12;
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var hoverPushRate = -0.05;
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var hoverInertia = 0.8;
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var hoverMaxDistStart = 75;
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var hoverMaxDistMax = 1000;
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var hoverMaxDist = hoverMaxDistStart;
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var hoverTweeningFn = 5;
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function randomInt (min, max) {
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// inclusive of min and max
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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/* eslint-disable no-unused-vars */
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function linearTweening (t, b, c, d) {
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// t = current time
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// b = start value
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// c = change in value
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// d = duration
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return ((c * t) / d) + b;
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}
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function easeOutBounce (t, b, c, d) {
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if ((t /= d) < (1 / 2.75)) {
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return c * (7.5625 * t * t) + b;
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} else if (t < (2 / 2.75)) {
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return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
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} else if (t < (2.5 / 2.75)) {
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return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
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} else {
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return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
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}
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}
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function easeInBounce (t, b, c, d) {
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return c - easeOutBounce(d - t, 0, c, d) + b;
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}
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function easeInOutBounce (t, b, c, d) {
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if (t < d / 2) return easeInBounce(t * 2, 0, c, d) * 0.5 + b;
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return easeOutBounce(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b;
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}
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function easeInSine (t, b, c, d) {
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return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
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}
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function easeOutSine (t, b, c, d) {
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return c * Math.sin(t / d * (Math.PI / 2)) + b;
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}
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function easeInOutSine (t, b, c, d) {
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return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
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}
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function easeInQuad (t, b, c, d) {
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return c * (t /= d) * t + b;
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}
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function easeOutQuad (t, b, c, d) {
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return -c * (t /= d) * (t - 2) + b;
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}
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function easeInOutQuad (t, b, c, d) {
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if ((t /= d / 2) < 1) return c / 2 * t * t + b;
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return -c / 2 * ((--t) * (t - 2) - 1) + b;
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}
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function easeInCubic (t, b, c, d) {
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return c * (t /= d) * t * t + b;
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}
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function easeOutCubic (t, b, c, d) {
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return c * ((t = t / d - 1) * t * t + 1) + b;
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}
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function easeInOutCubic (t, b, c, d) {
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if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
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return c / 2 * ((t -= 2) * t * t + 2) + b;
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}
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function easeInExpo (t, b, c, d) {
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return (t === 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
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}
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function easeOutExpo (t, b, c, d) {
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return (t === d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
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}
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function easeInOutExpo (t, b, c, d) {
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if (t === 0) return b;
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if (t === d) return b + c;
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if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
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return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
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}
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function easeInElastic (t, b, c, d) {
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var s = 1.70158; var p = 0; var a = c;
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if (t === 0) return b; if ((t /= d) === 1) return b + c; if (!p) p = d * 0.3;
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if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
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return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
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}
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function easeOutElastic (t, b, c, d) {
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var s = 1.70158; var p = 0; var a = c;
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if (t === 0) return b; if ((t /= d) === 1) return b + c; if (!p) p = d * 0.3;
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if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
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return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
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}
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function easeInOutElastic (t, b, c, d) {
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var s = 1.70158; var p = 0; var a = c;
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if (t === 0) return b; if ((t /= d / 2) === 2) return b + c; if (!p) p = d * (0.3 * 1.5);
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if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
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if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
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return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b;
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}
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function easeInBack (t, b, c, d, s) {
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if (s === undefined) s = 1.70158;
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return c * (t /= d) * t * ((s + 1) * t - s) + b;
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}
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function easeOutBack (t, b, c, d, s) {
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if (s === undefined) s = 1.70158;
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return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
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}
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function easeInOutBack (t, b, c, d, s) {
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if (s === undefined) s = 1.70158;
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if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
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return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
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}
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function easeInCirc (t, b, c, d) {
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return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
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}
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function easeOutCirc (t, b, c, d) {
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return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
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}
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function easeInOutCirc (t, b, c, d) {
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if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
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return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
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}
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/* eslint-enable no-unused-vars */
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// from: http://stackoverflow.com/a/5624139
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// modified to return integer literal
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function rgbToHex (color) {
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return parseInt(((1 << 24) + (color.r << 16) + (color.g << 8) + color.b).toString(16).slice(1), 16);
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}
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/* Choose a random RGB color */
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function randomColor () {
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return {
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r: Math.floor(Math.random() * (255 + 1)),
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g: Math.floor(Math.random() * (255 + 1)),
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b: Math.floor(Math.random() * (255 + 1))
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};
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}
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/* Find the average of two RGB colors and return one RGB of that color */
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function averageColor (color1, color2) {
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return {
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r: Math.round((color1.r + color2.r) / 2),
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g: Math.round((color1.g + color2.g) / 2),
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b: Math.round((color1.b + color2.b) / 2)
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};
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}
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/*
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* Find the average of two RGB colors where color1 is weighted against color2 by the given weight.
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* weight is a decimal between 0 and 1.
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*/
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function weightedAverageColor (color1, color2, weight) {
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return {
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r: Math.round(((color1.r * (2 * weight)) + (color2.r * (2 * (1 - weight)))) / 2),
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g: Math.round(((color1.g * (2 * weight)) + (color2.g * (2 * (1 - weight)))) / 2),
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b: Math.round(((color1.b * (2 * weight)) + (color2.b * (2 * (1 - weight)))) / 2)
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};
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}
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/* Darken the color by a factor of 0 to 1, where 1 is black and 0 is white */
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function shadeColor (color, shadeFactor) {
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return {
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r: Math.round(color.r * (1 - shadeFactor)),
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g: Math.round(color.g * (1 - shadeFactor)),
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b: Math.round(color.b * (1 - shadeFactor))
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};
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}
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/* Given a color component (red, green, or blue int), randomly shift by configurable amount */
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function shiftColorComponent (component, maxShiftAmt) {
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var shiftAmt = randomInt(maxShiftAmt * -1, maxShiftAmt);
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var newComponent = component + shiftAmt;
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if ((newComponent < 0) || (newComponent > 255)) {
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newComponent = component - shiftAmt;
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}
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return newComponent;
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}
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/* Randomly shift a RGB color by a configurable amount and return new RGB color */
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function shiftColor (color, maxShiftAmt) {
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return {
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r: shiftColorComponent(color.r, maxShiftAmt),
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g: shiftColorComponent(color.g, maxShiftAmt),
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b: shiftColorComponent(color.b, maxShiftAmt)
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};
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}
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/* from: https://stackoverflow.com/a/17130415 */
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function getMousePos (evt, res) {
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var canvas = document.getElementsByTagName('canvas')[0];
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if (canvas !== undefined) {
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var rect = canvas.getBoundingClientRect();
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return {
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x: Math.round((evt.clientX - rect.left) / (rect.right - rect.left) * canvas.width / res),
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y: Math.round((evt.clientY - rect.top) / (rect.bottom - rect.top) * canvas.height / res)
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};
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}
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}
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function distancePos (point1, point2) {
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var a = point1.x - point2.x;
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var b = point1.y - point2.y;
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return Math.sqrt(a * a + b * b);
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}
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function distance (point1, point2) {
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var a = point1[0] - point2[0];
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var b = point1[1] - point2[1];
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return Math.sqrt(a * a + b * b);
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}
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function getRandomPoints (numPoints, maxX, maxY, tweeningFns) {
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var i, x, y, color, cycleStart, easingFn;
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var points = [];
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for (i = 0; i < numPoints; i++) {
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x = randomInt(0, maxX - 1);
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y = randomInt(0, maxY - 1);
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cycleStart = randomInt(0, cycleDuration - 1);
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color = randomColor();
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easingFn = tweeningFns[Math.floor(Math.random() * tweeningFns.length)];
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points[i] = [x, y, cycleStart, color, easingFn];
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}
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return points;
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}
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// eslint-disable-next-line no-unused-vars
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function shiftPointCounter (original, maxShiftAmt) {
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var shiftAmt = randomInt(maxShiftAmt * -1, 0);
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var newCounter = original + shiftAmt;
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if (newCounter < 0) {
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newCounter = cycleDuration + shiftAmt;
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}
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return newCounter;
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}
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function shiftPoints (points, maxShiftAmt, counter, tweeningFns) {
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var i, shiftX, shiftY, candidateX, candidateY;
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for (i = 0; i < points.original.length; i++) {
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if (points.target[i][2] >= cycleDuration) {
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// cycleDuration was reduced and now this point's cycle is out of bounds. Randomly pick a new valid one.
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points.target[i][2] = randomInt(0, cycleDuration - 1);
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}
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if (points.target[i][2] === counter) {
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points.original[i] = points.target[i].slice();
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shiftX = randomInt(maxShiftAmt * -1, maxShiftAmt);
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shiftY = randomInt(maxShiftAmt * -1, maxShiftAmt);
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if (((shiftX < 0) && (pointShiftBiasX === 1)) || ((shiftX > 0) && (pointShiftBiasX === -1))) {
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shiftX = shiftX * -1;
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}
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if (((shiftY < 0) && (pointShiftBiasY === 1)) || ((shiftY > 0) && (pointShiftBiasY === -1))) {
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shiftY = shiftY * -1;
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}
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candidateX = points.original[i][0] + shiftX;
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candidateY = points.original[i][1] + shiftY;
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if ((candidateX > screenWidth) || (candidateX < 0)) {
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candidateX = points.original[i][0] - shiftX;
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}
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if ((candidateY > screenHeight) || (candidateY < 0)) {
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candidateY = points.original[i][1] - shiftY;
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}
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points.target[i][0] = candidateX;
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points.target[i][1] = candidateY;
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points.target[i][4] = tweeningFns[Math.floor(Math.random() * tweeningFns.length)];
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// FIXME: buggy, makes points jump around too fast
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// points.target[i][2] = shiftPointCounter(points.original[i][2], maxShiftAmt);
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}
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}
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// clear pointShiftBiases now that they have been "used"
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pointShiftBiasX = 0;
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pointShiftBiasY = 0;
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return points;
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}
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function pullPoints (points, clickPos, pullRate, inertia, maxDist, counter, resetPoints, tweeningFn) {
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var xDist, yDist, xTraveled, yTraveled;
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for (var i = 0; i < points.target.length; i++) {
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xDist = clickPos.x - points.target[i][0];
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yDist = clickPos.y - points.target[i][1];
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xTraveled = clickPos.x - points.original[i][0];
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yTraveled = clickPos.y - points.original[i][1];
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if (Math.abs(xDist) <= maxDist && Math.abs(yDist) <= maxDist) {
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if (resetPoints) {
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// Good for changing directions, reset the points original positions to their current positions
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points.original[i][0] = points.tweened[i][0];
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points.original[i][1] = points.tweened[i][1];
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}
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points.target[i][0] += Math.round((xDist + (inertia * xTraveled)) * pullRate);
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points.target[i][1] += Math.round((yDist + (inertia * yTraveled)) * pullRate);
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points.target[i][3] = shiftColor(points.original[i][3], disconnectedColorShiftAmt * 3);
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if (tweeningFn !== null) {
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// Also twitch the tweening function for all affected points for additional effect
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points.target[i][4] = tweeningFn;
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}
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}
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// TODO: define these magic numbers somewhere
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// If this point's cycle is near it's end, bump it up some ticks to make the animation smoother
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if (relativeCounter(points.target[i][2]) > cycleDuration - 10) {
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points.target[i][2] = (points.target[i][2] + Math.round(cycleDuration / 2)) % cycleDuration;
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}
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}
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}
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function redistributeCycles (points, oldCycleDuration, cycleDuration) {
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var progress;
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for (var i = 0; i < points.original.length; i++) {
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progress = points.target[i][2] / oldCycleDuration;
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points.target[i][2] = Math.round(progress * cycleDuration);
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}
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return points;
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}
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function relativeCounter (counter, targetStart) {
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var relCounter = counter - targetStart;
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if (relCounter < 0) {
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return cycleDuration + relCounter;
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}
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return relCounter;
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}
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|
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function drawPolygon (polygon, points, counter, tweeningFns) {
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var i, j, easingFn, relativeCount, avgColor, shadedColor, connectionCount, dist, connectivity;
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// calculate vectors
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for (i = 0; i < points.original.length; i++) {
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easingFn = allTweeningFns[points.target[i][4]];
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relativeCount = relativeCounter(counter, points.target[i][2]);
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points.tweened[i][0] = easingFn(relativeCount, points.original[i][0], points.target[i][0] - points.original[i][0], cycleDuration);
|
|
points.tweened[i][1] = easingFn(relativeCount, points.original[i][1], points.target[i][1] - points.original[i][1], cycleDuration);
|
|
|
|
if (debug) {
|
|
// draw vector trajectories
|
|
polygon.lineStyle(1, 0x191970, 1);
|
|
polygon.moveTo(points.tweened[i][0], points.tweened[i][1]);
|
|
for (j = relativeCount; j < cycleDuration; j++) {
|
|
polygon.lineTo(
|
|
easingFn(j, points.original[i][0], points.target[i][0] - points.original[i][0], cycleDuration),
|
|
easingFn(j, points.original[i][1], points.target[i][1] - points.original[i][1], cycleDuration)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
// draw lines
|
|
for (i = 0; i < points.original.length; i++) {
|
|
connectionCount = 0;
|
|
for (j = i + 1; j < points.original.length; j++) {
|
|
// TODO pick the N (connectionLimit) closest connections instead of the first N that occur sequentially.
|
|
if (connectionCount >= connectionLimit) break;
|
|
dist = distance(points.tweened[i], points.tweened[j]);
|
|
connectivity = dist / connectionDistance;
|
|
if ((j !== i) && (dist <= connectionDistance)) {
|
|
// find average color of both points
|
|
if ((points.tweened[i][2] === counter) || (points.tweened[j][2] === counter)) {
|
|
// avgColor = shiftColor(avgColor, Math.round(colorShiftAmt * (1 - connectivity)));
|
|
points.tweened[i][3] = weightedAverageColor(points.tweened[i][3], points.tweened[j][3], connectivity);
|
|
points.tweened[j][3] = weightedAverageColor(points.tweened[j][3], points.tweened[i][3], connectivity);
|
|
}
|
|
avgColor = averageColor(points.tweened[i][3], points.tweened[j][3]);
|
|
shadedColor = shadeColor(avgColor, connectivity);
|
|
polygon.lineStyle(1, rgbToHex(shadedColor), 1);
|
|
|
|
polygon.moveTo(points.tweened[i][0], points.tweened[i][1]);
|
|
polygon.lineTo(points.tweened[j][0], points.tweened[j][1]);
|
|
connectionCount = connectionCount + 1;
|
|
}
|
|
}
|
|
|
|
if (connectionCount === 0) {
|
|
points.tweened[i][3] = shiftColor(points.tweened[i][3], disconnectedColorShiftAmt);
|
|
}
|
|
|
|
// draw vectors
|
|
polygon.lineStyle(1, rgbToHex(points.tweened[i][3]), 1);
|
|
polygon.drawCircle(points.tweened[i][0], points.tweened[i][1], 1);
|
|
}
|
|
}
|
|
|
|
function loop () {
|
|
screenWidth = document.documentElement.clientWidth;
|
|
screenHeight = document.documentElement.clientHeight;
|
|
renderer.resize(screenWidth, screenHeight);
|
|
|
|
polygon.clear();
|
|
|
|
if (click !== null) {
|
|
if (clickEnd) {
|
|
clickPullRate = clickPullRateEnd;
|
|
clickInertia = clickInertiaEnd;
|
|
clickTweeningFn = clickTweeningFnEnd;
|
|
if (debug) {
|
|
polygon.lineStyle(1, 0xDC143C, 1);
|
|
polygon.drawCircle(click.x, click.y, clickMaxDist);
|
|
}
|
|
} else {
|
|
if (debug) {
|
|
polygon.lineStyle(1, 0x483D8B, 1);
|
|
polygon.drawCircle(click.x, click.y, clickMaxDist);
|
|
}
|
|
}
|
|
|
|
// a pointer event is occuring and needs to affect the points
|
|
pullPoints(polygonPoints, click, clickPullRate, clickInertia, clickMaxDist, counter, clickEnd, clickTweeningFn);
|
|
|
|
// slightly increase effect amount for next loop if click is still occuring
|
|
if (clickMaxDist <= clickMaxDistMax) {
|
|
clickMaxDist += clickMaxDistInc;
|
|
}
|
|
if (clickPullRate <= clickPullRateMax) {
|
|
clickPullRate += clickPullRateInc;
|
|
}
|
|
|
|
if (clickEnd) {
|
|
click = null;
|
|
clickEnd = false;
|
|
clickMaxDist = clickMaxDistStart;
|
|
clickPullRate = clickPullRateStart;
|
|
clickInertia = clickInertiaStart;
|
|
clickTweeningFn = clickTweeningFnStart;
|
|
}
|
|
} else if (hover !== null) {
|
|
if (lastHover !== null) {
|
|
hoverMaxDist += Math.min(Math.round(distancePos(hover, lastHover)), hoverMaxDistMax);
|
|
}
|
|
if (debug) {
|
|
polygon.lineStyle(1, 0xBDB76B, 1);
|
|
polygon.drawCircle(hover.x, hover.y, hoverMaxDist);
|
|
}
|
|
|
|
pullPoints(polygonPoints, hover, hoverPushRate, hoverInertia, hoverMaxDist, counter, false, hoverTweeningFn);
|
|
|
|
hoverMaxDist = hoverMaxDistStart;
|
|
lastHover = hover;
|
|
}
|
|
|
|
// polygon.beginFill(0x00FF00);
|
|
drawPolygon(polygon, polygonPoints, counter, tweeningFns);
|
|
// polygon.endFill();
|
|
|
|
counter += 1;
|
|
counter = counter % cycleDuration;
|
|
|
|
if (counter === 0 && fpsEnabled) {
|
|
thisLoop = new Date();
|
|
fps = Math.round((1000 / (thisLoop - lastLoop)) * cycleDuration);
|
|
fpsGraphic.setText(fps.toString());
|
|
lastLoop = thisLoop;
|
|
}
|
|
|
|
polygonPoints = shiftPoints(polygonPoints, pointShiftDistance, counter, tweeningFns);
|
|
|
|
// var mousePosition = renderer.plugins.interaction.mouse.global;
|
|
// triangle.x = mousePosition.x;
|
|
// triangle.y = mousePosition.y;
|
|
|
|
// If user scrolled, modify cycleDuration by amount scrolled
|
|
if (scrollDelta !== 0) {
|
|
var oldCycleDuration = cycleDuration;
|
|
cycleDuration = Math.round(cycleDuration + scrollDelta);
|
|
if (cycleDuration < 1) {
|
|
cycleDuration = 1;
|
|
}
|
|
scrollDelta = 0;
|
|
polygonPoints = redistributeCycles(polygonPoints, oldCycleDuration, cycleDuration);
|
|
}
|
|
|
|
// Tell the `renderer` to `render` the `stage`
|
|
renderer.render(stage);
|
|
window.requestAnimationFrame(loop);
|
|
}
|
|
|
|
function loopStart () {
|
|
screenWidth = document.documentElement.clientWidth;
|
|
screenHeight = document.documentElement.clientHeight;
|
|
// Create the renderer
|
|
renderer = window.PIXI.autoDetectRenderer(screenWidth, screenHeight, {antialias: true, resolution: resolution});
|
|
|
|
// Add the canvas to the HTML document
|
|
document.body.appendChild(renderer.view);
|
|
|
|
// Create a container object called the `stage`
|
|
stage = new window.PIXI.Container();
|
|
|
|
renderer.view.style.position = 'absolute';
|
|
renderer.view.style.display = 'block';
|
|
renderer.autoResize = true;
|
|
|
|
counter = 0;
|
|
totalScreenPixels = screenWidth + screenHeight;
|
|
cycleDuration = 60;
|
|
connectionDistance = Math.min(Math.round(totalScreenPixels / 16), 75);
|
|
connectionLimit = 10;
|
|
pointShiftDistance = Math.round(totalScreenPixels / 45);
|
|
// colorShiftAmt = 80;
|
|
disconnectedColorShiftAmt = 10;
|
|
polygon = new window.PIXI.Graphics();
|
|
tweeningFns = tweeningSets.meandering;
|
|
startPoints = getRandomPoints(Math.round(totalScreenPixels / 6), screenWidth, screenHeight, tweeningFns);
|
|
polygonPoints = {
|
|
original: startPoints,
|
|
target: JSON.parse(JSON.stringify(startPoints)),
|
|
tweened: JSON.parse(JSON.stringify(startPoints))
|
|
};
|
|
stage.addChild(polygon);
|
|
|
|
fpsGraphic = new window.PIXI.Text('0', {font: '25px monospace', fill: 'yellow'});
|
|
fpsGraphic.x = 0;
|
|
fpsGraphic.y = 0;
|
|
|
|
if (fpsEnabled) {
|
|
stage.addChild(fpsGraphic);
|
|
}
|
|
|
|
lastLoop = new Date();
|
|
|
|
scrollDelta = 0;
|
|
|
|
window.requestAnimationFrame(loop);
|
|
}
|
|
|
|
window.onload = loopStart;
|
|
|
|
/* MOUSE AND TOUCH EVENTS */
|
|
|
|
// FIXME: buggy :(
|
|
window.addEventListener('mousewheel', function (e) {
|
|
scrollDelta = scrollDelta + ((e.deltaY / 100) * 3);
|
|
});
|
|
|
|
window.addEventListener('touchstart', function (e) {
|
|
click = getMousePos(e.changedTouches[0], resolution);
|
|
clickEnd = false;
|
|
});
|
|
|
|
window.addEventListener('touchmove', function (e) {
|
|
if (click !== null) {
|
|
click = getMousePos(e.changedTouches[0], resolution);
|
|
}
|
|
});
|
|
|
|
window.addEventListener('touchend', function (e) {
|
|
clickEnd = true;
|
|
});
|
|
|
|
window.addEventListener('touchcancel', function (e) {
|
|
clickEnd = true;
|
|
});
|
|
|
|
window.addEventListener('mousedown', function (e) {
|
|
click = getMousePos(e, resolution);
|
|
clickEnd = false;
|
|
});
|
|
|
|
window.addEventListener('mousemove', function (e) {
|
|
var pos = getMousePos(e, resolution);
|
|
if (click !== null) {
|
|
click = pos;
|
|
}
|
|
hover = pos;
|
|
});
|
|
|
|
window.addEventListener('mouseup', function (e) {
|
|
clickEnd = true;
|
|
hover = null;
|
|
lastHover = null;
|
|
});
|
|
|
|
window.addEventListener('mouseleave', function (e) {
|
|
clickEnd = true;
|
|
hover = null;
|
|
lastHover = null;
|
|
});
|
|
|
|
document.addEventListener('mouseleave', function (e) {
|
|
clickEnd = true;
|
|
hover = null;
|
|
lastHover = null;
|
|
});
|
|
|
|
/* KEYBOARD EVENTS */
|
|
|
|
window.addEventListener('keydown', function (e) {
|
|
if (e.keyCode === 37) { // left
|
|
pointShiftBiasX = -1;
|
|
} else if (e.keyCode === 38) { // up
|
|
pointShiftBiasY = -1;
|
|
} else if (e.keyCode === 39) { // right
|
|
pointShiftBiasX = 1;
|
|
} else if (e.keyCode === 40) { // down
|
|
pointShiftBiasY = 1;
|
|
} else if (e.keyCode === 49) { // 1
|
|
tweeningFns = tweeningSets.linear;
|
|
} else if (e.keyCode === 50) { // 2
|
|
tweeningFns = tweeningSets.meandering;
|
|
} else if (e.keyCode === 51) { // 3
|
|
tweeningFns = tweeningSets.snappy;
|
|
} else if (e.keyCode === 52) { // 4
|
|
tweeningFns = tweeningSets.bouncy;
|
|
} else if (e.keyCode === 53) { // 5
|
|
tweeningFns = tweeningSets.elastic;
|
|
} else if (e.keyCode === 54) { // 6
|
|
tweeningFns = tweeningSets.back;
|
|
} else if (e.keyCode === 70) { // f
|
|
// toggle fpsCounter
|
|
if (fpsEnabled) {
|
|
stage.removeChild(fpsGraphic);
|
|
fpsEnabled = false;
|
|
} else {
|
|
stage.addChild(fpsGraphic);
|
|
fpsEnabled = true;
|
|
lastLoop = new Date();
|
|
}
|
|
} else if (e.keyCode === 68) {
|
|
// toggle debug
|
|
if (debug) {
|
|
if (fpsEnabled) {
|
|
stage.removeChild(fpsGraphic);
|
|
}
|
|
debug = false;
|
|
fpsEnabled = debug;
|
|
} else {
|
|
if (!fpsEnabled) {
|
|
stage.addChild(fpsGraphic);
|
|
}
|
|
debug = true;
|
|
fpsEnabled = debug;
|
|
lastLoop = new Date();
|
|
}
|
|
}
|
|
});
|