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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Skew X</title>
<link rel="stylesheet" href="../include/style.css">
</head>
<body>
<header>
Example from <a href="http://amzn.com/1430236655?tag=html5anim-20"><em>Foundation HTML5 Animation with JavaScript</em></a>
</header>
<canvas id="canvas" width="400" height="400"></canvas>
<aside>Move mouse left or right on canvas element.</aside>
<script src="../include/utils.js"></script>
<script>
window.onload = function () {
var canvas = document.getElementById('canvas'),
context = canvas.getContext('2d'),
mouse = utils.captureMouse(canvas);
(function drawFrame () {
window.requestAnimationFrame(drawFrame, canvas);
context.clearRect(0, 0, canvas.width, canvas.height);
var skewX = (mouse.x - canvas.width / 2) * 0.01,
dx = canvas.width / 2,
dy = canvas.height / 2;
context.save();
context.fillStyle = "#ff0000";
context.transform(1, 0, skewX, 1, dx, dy);
context.fillRect(-50, -50, 100, 100);
context.restore();
}());
};
</script>
</body>
</html>