void checkEdges() {

		if (location.x > p5.width) {
			location.x = 0;
		} 
		else if (location.x < 0) {
			location.x = p5.width;
		}

		if (location.y > p5.height) {
			location.y = 0;
		} 
		else if (location.y < 0) {
			location.y = p5.height;
		}
	}