public static int nextColor() {
		int a = 100;
		while (x<250) {
			if (y >= 250) {
				x=-250;
				y=y-a;
				a=a+100;
				return EtchASketch.BLACK;
			}
			else {
			return EtchASketch.BLACK;
			}
		}
	return EtchASketch.BLACK;
	}