<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<link rel="stylesheet" href="css/style.css" />
</head>
<body>
<canvas id="canvas" width="400" height="400"></canvas>
<script src="js/ball.js"></script>
<script src="js/utils.js"></script>
<script>
window.onload=function(){
var canvas=document.getElementById("canvas");
var context=canvas.getContext('2d');
var ball=new Ball();
var angle=0;
ball.x=canvas.width/2;
ball.y=canvas.height/2;
(function drawFrame(){
window.requestAnimationFrame(drawFrame,canvas);
context.clearRect(0,0,canvas.width,canvas.height);
ball.y=canvas.height/2+Math.sin(angle)*50;
angle+=0.1;
ball.draw(context);
}());
};
</script>
</body>
</html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<link rel="stylesheet" href="css/style.css" />
</head>
<body>
<canvas id="canvas" width="400" height="400"></canvas>
<script src="js/ball.js"></script>
<script src="js/utils.js"></script>
<script>
window.onload=function(){
var canvas=document.getElementById("canvas");
var context=canvas.getContext('2d');
var ball=new Ball();
var angle=0;
ball.x=canvas.width/2;
ball.y=canvas.height/2;
(function drawFrame(){
window.requestAnimationFrame(drawFrame,canvas);
context.clearRect(0,0,canvas.width,canvas.height);
ball.y=canvas.height/2+Math.sin(angle)*50;
angle+=0.1;
ball.draw(context);
}());
};
</script>
</body>
</html>
