<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.6.1/p5.js"></script>
<script>

var big = 10
var x = 300
var y = 300

var speedx = 5
var speedy = 3


function setup() {
	createCanvas(600, 600)

}

function draw() {
	background(255,133,0)
	fill("black")
	ellipse(x, y, big, big)



	x = x + speedx
	y = y + speedy

	if (x >= 600 || x < 0) {
		speedx = -speedx
	} else if (y >= 600 || y < 0) {
		speedy = -speedy
	}

}

function mousePressed() {
	big = big + 15
}












</script>