2017-10-06 57 views
0

在我的游戏中,播放器有两个主要状态:STATIC和MOVING。如何在播放器的状态枚举中添加子状态 - LibGdx

我想添加两个状态作为静态状态的子状态,如向上和向下。

public enum PlayerState { 

    STATIC,MOVING; 

    public boolean isMoving() { 
     return this == MOVING; 
    } 
    public boolean isStatic() { 
     return this == STATIC; 

    } 

}

我怎样才能在枚举和访问它添加此子状态?

现在我访问它的播放器类为

private NestState state = NestState.STATIC; 

public void moving() { 
    state = NestState.MOVING; 

} 

public void staticState() { 
    state = NestState.STATIC; 

} 

public boolean isStatic() { 

    return state.isStatic(); 
} 

public boolean isMoving() { 

    return state.isMoving(); 
} 

回答

2

我可以看到2个简单的解决办法,让你有状态和子状态。首先是扩大目前的状态。

public enum PlayerState { 

    STATIC_STILL, STATIC_UP, STATIC_DOWN, MOVING_LEFT, MOVING_RIGHT; 

    public boolean isMoving() { 
     if(this == MOVING_LEFT || 
       this == MOVING_LEFT){ 
      return true; 
     } 
     return false; 
    } 
    public boolean isStatic() { 
     if(this == STATIC_STILL || 
       this == STATIC_UP || 
       this = STATIC_DOWN){ 
      return true; 
     } 
     return false; 
    } 

} 

第二个选择是创建第二组的状态,从这个

public enum PlayerSubState { 
    UP,DOWN,LEFT,RIGHT; 
} 

而且您的播放器将分离既有PlayerState和PlayerSubState。