52 lines
No EOL
1.1 KiB
JavaScript
52 lines
No EOL
1.1 KiB
JavaScript
// main thing here
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var canvas = document.getElementById('canvas');
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var ctx = canvas.getContext('2d');
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window.requestAnimFrame = (function(){
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return window.requestAnimationFrame ||
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window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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function( callback ){
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window.setTimeout(callback, 1000 / 60);
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};
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})();
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clock = new Clock(6);
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var blocks = [];
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for (var i = 0; i < 6; i++) {
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blocks.push(new Block(i, 'green'));
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}
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Render();
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function Render() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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blocks.forEach(function(o){
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o.draw();
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});
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requestAnimFrame(Render);
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}
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function Block(lane, color, time) {
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this.lane = lane;
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this.angle = 15 * (Math.PI / 180) + 30 * (Math.PI / 180) * lane;
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this.color = color;
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this.draw = function() {
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ctx.translate(canvas.width / 2, canvas.height / 2);
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ctx.rotate(this.angle);
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ctx.fillStyle = '#000';
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ctx.fillRect(canvas.width/2 + Math.cos(this.angle) * time, canvas.height/2 + Math.sin(this.angle) * time, 30, 30);
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ctx.restore();
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ctx.fillRect(200, 200, 200, 200);
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};
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if (!time) {
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this.time = time;
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}
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else {
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time = 200;
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}
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} |