added main loop + render loop + animFrame

main.js

@@ -1 +1,21 @@
-// main thing here
+// main thing here
+
+window.requestAnimFrame = (function(){
+	return window.requestAnimationFrame 		||
+		window.webkitRequestAnimationFrame	||
+		window.mozRequestAnimationFrame		||
+		function( callback ){
+			window.setTimeout(callback, 1000 / 60);
+		};
+})();
+
+(function animloop(){
+  requestAnimFrame(animloop);
+  render();
+})();
+
+function render() {
+	// game code
+
+	requestAnimFrame(animloop);
+}