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part2i.html
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<!DOCTYPE html>
<html>
<title>Creative Coding Yea!</title>
<head>
<meta charset="utf-8">
<script language="javascript" src="js/creative_coding.js"></script>
<script language="javascript" src="js/canvas.js"></script>
<link rel="stylesheet" href="css/reset.css" type="text/css" media="screen" />
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen" />
</head>
<body>
<script>
// this is a function (from canvas.js) that sets you the canvas
// so you don't need to do any of the heavy lifting and can
// start playing straight away
// the function also lets you access the screen width as "width" or "w"
// and the screen height as "height" or "h"
var ctx = createCanvas("canvas1");
var block_size = 20;
var ball_x = width/2;
var ball_y = height/2;
var speed_x = randomInt(-5, 5);
var speed_y = randomInt(-5, 5);
function draw(){
ball_x = ball_x + speed_x;
ball_y = ball_y + speed_y;
if (ball_x < 0 || ball_x > w) {
speed_x *= -1;
}
if (ball_y < 0 || ball_y > h) {
speed_y *= -1;
}
ctx.fillStyle = rgb(255,0,0);
ctx.fillEllipse(ball_x, ball_y, block_size, block_size);
}
</script>
</body>
</html>