var POOL_BALL_RADIUS = 40;
var POOL_BALL_FONT = "30pt Arial";
// This function adds pool balls.
function start()
{
	drawPoolBall(Color.orange, 5, 100, 100);
	drawPoolBall(Color.green, 6, 50, 200);
	drawPoolBall(Color.red, 3, 150, 350);
	drawPoolBall(Color.blue, 2, 250, 140);

	// Add some more pool balls!
}

// this function creates the text and circles that are called in the start function.
function drawPoolBall(color, num, x, y)
{
	var circle = new Circle(POOL_BALL_RADIUS);
    circle.setPosition(x, y);
    circle.setColor(color);
    add(circle);
    var txt = new Text(num, POOL_BALL_FONT);
    txt.setPosition(x - (POOL_BALL_RADIUS/4), y + (POOL_BALL_RADIUS/2));
    txt.setColor(Color.white);
    add(txt);
}