Transform.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.