var circles = [];

function setup(){
	setFrameRate(60);
    createCanvas(windowWidth, windowHeight);
	strokeWeight(1);
}

function draw(){
	fill(55);
	while (true){
		var circle = new Circle(random(windowWidth), random(windowHeight), 1);
		if (circle.touchesCircle()) circle.valid = false;
		if (circle.valid) circles.push(circle); break;
	}
	for (var c of circles){
		if (c.touchesEdges() || c.touchesCircle()) c.done = true;
		if (!c.done) c.grow();
		c.draw();
	}
}