HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>P2 Physics World</title>
</head>
<body>
<body onload="init();">
<canvas id="gameView" width="1000" height="400"></canvas>
<script src="libs/createjs-2015.11.26.min.js"></script>
<script src="libs/p2.js"></script>
<script src="js/p2.js"></script>
<