maxwihlborg

var stats = {
 
	fps: 0,
	frames: 0,
 
	_prevtime: 0,
	_ticktime: 0,
	_tickint: 100,
	_tickval: 0,
	_sum: 0,

maxwihlborg

var canvas = document.createElement("canvas");
canvas.width = 200; canvas.height = 200;

var dispCanvas = document.createElement("canvas");
dispCanvas.width = 400; dispCanvas.height = 400;
var dispCtx = dispCanvas.getContext("2d");

// setup pixel scaling
dispCtx.imageSmoothingEnabled       = false;
dispCtx.oImageSmoothingEnabled      = false;

maxwihlborg

/**
 * Simple debounce function; usage:
 * 
 * Create a function that only can be called once every 500 ms
 * 
 *      var df = debounce(function() {
 *          ... func body ...
 *      }, 500)
 * 
 * Bind the function to an event