public boolean hitWall(Wall w) {
if (this.isLive() && this.getRect().intersects(w.getRect())) {
this.live = false;
return true;
}
return false;
}
// 碰撞测试判断，是否与墙撞了
public boolean collidesWithWall(Wall w) {
if (this.tlive && this.getRect().intersects(w.getRect())) {
this.stay();
return true;
}
;
return false;
}