public void move(){
		float angle = (float) Math.atan2((tjy) - ty, (tjx) - tx);
		float scaleX = (float)Math.cos(angle);
		float scaleY = (float)Math.sin(angle);
		tx += scaleX * speed;         
		ty += scaleY  * speed;
		ty-=gravity;
		tjx += scaleX * speed;
		tjy += scaleY  * speed;
		tjy -= gravity;
		setLocation((int)tx,(int)ty);
	}