khirayama

<canvas id='world' width="465" height="465"></canvas>
<div id="fps"></div>
<style>
body {
  margin:0;
  padding:0;
  overflow:hidden;
  background:#666;
}
canvas{

khirayama

var Model = (function() {
	
	var _fromGetInstance = false;
	var _instance;
	
	function _construct() {
	    if (_fromGetInstance !== true) {
	        throw new Error("must use the getInstance.");
	    }
	    _fromGetInstance = false;