Unity 获取父类 / 子物体

• 获取父类
• 获取子物体

当前对象是子物体Sphere，获取层级列表上一级父物体Cube：

	GameObject sphere;
    GameObject parentOfSphere;

    void Start()
    {
        sphere = GameObject.Find("Sphere");
        parentOfSphere = sphere.transform.parent.gameObject;
        Debug.Log(parentOfSphere.name);
    }

1. 当前物体是父物体Cube，获取子物体Capsule

	GameObject Cube;
    void Start()
    {
        Cube = GameObject.Find("Cube");
       
        GameObject Second_childOfCube = Cube.transform.GetChild(1).gameObject;
        //index=1 Capsule是cube的第2个子物体，index从0开始
        Debug.Log("Second_childOfCube  " + Second_childOfCube.name);
    }

2. 当前物体是子物体Sphere，获取子物体Capsule

    GameObject sphere;
    void Start()
    {     
        sphere = GameObject.Find("Sphere");
            
        GameObject SameLayer_OfSphere = sphere.transform.parent.GetChild(1).gameObject;
        //先获取Sphere的父物体，在去获取子物体
        Debug.Log("SameLayer_OfSphere  " + SameLayer_OfSphere.name);
    }

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