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part13c2.html
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part13c2.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");
var gw = 30;
var gh = 30;
var grid = new Grid(gw, gh);
ctx.lineWidth = 0.2;
console.log(grid);
// create particles
var balls = [];
var number_of_balls = gw * gh;
for (var i = 0; i < number_of_balls; i++) {
addBall(grid.x[i], grid.y[i], i);
}
function addBall(x, y, i){
var ball = {
x: x,
y: y,
sz: 10,
me: i
}
balls.push(ball);
}
function draw(){
ctx.background(235);
for (var i = 0; i < balls.length; i++) {
var b = balls[i];
moveBall(b);
drawBall(b);
}
}
function moveBall(b){
var m = Math.round(Mic.spectrum.length/2);
if(m > 0) {
var s = map(Mic.spectrum[b.me%(m-1)], 0, 255, 4, grid.spacing_x - 2);
b.sz = tween(b.sz, s, 2);
}
b.y +=2;
if( b.y > h) b.y = 0;
}
function drawBall(b){
ctx.fillStyle = "black";
ctx.fillRect(b.x, b.y, b.sz, grid.spacing_y - 2);
}
</script>
</body>
</html>