Example 11-9: Managing Many Objects
Getting Started with p5.js: Page 175
<head>
<script src="//cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.2/p5.js"></script>
<script language="javascript" type="text/javascript" src=".purview_helper.js"></script>
<script language="javascript" type="text/javascript" src="sketch.js"></script>
<style> body {padding: 0; margin: 0;} </style>
</head>
<body style="background-color:white">
</body>
var bugs = [];
function setup() {
createCanvas(960, 500);
background(204);
for (var i = 0; i < 33; i++) {
var x = random(width);
var y = random(height);
var r = i + 2;
bugs[i] = new JitterBug(x, y, r);
}
}
function draw() {
for (var i = 0; i < bugs.length; i++) {
bugs[i].move();
bugs[i].display();
}
}
function JitterBug(tempX, tempY, tempDiameter) {
this.x = tempX;
this.y = tempY;
this.diameter = tempDiameter;
this.speed = 2.5;
this.move = function() {
this.x += random(-this.speed, this.speed);
this.y += random(-this.speed, this.speed);
}
this.display = function() {
ellipse(this.x, this.y, this.diameter, this.diameter);
}
}
function keyTyped() {
if (key == '!') {
saveBlocksImages();
}
else if (key == '@') {
saveBlocksImages(true);
}
}