public void process(){
		for(Entity e : getEntities()){
			Velocity v = (Velocity) e.getComponent(velocityID);
			if(v.isEnabled()){
				v.x += v.dx;
				//v.y += v.dy;
				if(v.x > 450 || v.x < 0) v.dx *= -1;
				//if(v.y > 450 || v.y < 0) v.dy *= -1;
			} 
		}
	}