public void follow() {
		 if(centerX < -95 || centerX > 810){
			 movementSpeed = 0;
		 }
		 else if (Math.abs(robot.getCenterX()-centerX) < 5){
			 movementSpeed = 0;
		 }
		 else {
			 if (robot.getCenterX() >= centerX) {
				 movementSpeed = 1;
			 } else {
				 movementSpeed = -1;
			 }
		 }
	}