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part13e.html
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part13e.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>
<script language="javascript" src="js/mic.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>
var ctx = createCanvas("canvas1");
ctx.lineWidth = 1;
// create particles
var balls = [];
var number_of_balls = 100;
var radius = 140;
for (var i = 0; i < number_of_balls; i++) {
addBall(i);
}
function addBall(i){
var angle = radians(distributeAngles(i, number_of_balls));
var ball = {
angle: angle,
x: w/2,
y: h/2,
sz: random(10,80),
me: i
}
balls.push(ball);
}
function draw(){
ctx.background(0);
for (var i = 0; i < balls.length; i++) {
var b = balls[i];
moveBall(b);
drawBall(b);
}
}
function moveBall(b){
var s = Mic.mapSound(b.me, balls.length, 40, 60);
b.sz = tween(b.sz, s, 4);
//console.log(b.sz);
b.x = tween(b.x, w/2 + Math.cos(b.angle) * (radius + s/4), 10);
b.y = tween(b.y, h/2 + Math.sin(b.angle) * (radius + s/4), 10);
}
function drawBall(b){
ctx.strokeStyle = "white";
ctx.strokeEllipse(b.x, b.y, b.sz, b.sz);
ctx.fillStyle = "white";
ctx.fillEllipse(b.x, b.y, 4, 4);
}
function distributeAngles(me, total) {
return me/total * 360;
}
</script>
</body>
</html>