Version: 2017.2
public void DetachChildren ();

설명

Unparents all children.

Useful if you want to destroy the root of a hierarchy without destroying the children.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { transform.DetachChildren(); Destroy(gameObject); } }

See Also: Transform.parent to detach/change the parent of a single transform.