public void move(double xc, double yc) {
//		if(collision(xc, yc)){
//			this.xa *= 0.8;
//			this.ya *= 0.8;
//			this.za *= 0.8;
//
//		}
		
		this.x = (int) xc;
		this.y = (int) yc;
		this.zz += za;
	}