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CloseReturns the topmost transform in the hierarchy.
(This never returns null, if this Transform doesn't have a parent it returns itself.)
// Is a collision between two objects in different hierarchies? function OnCollisionEnter(collision : Collision) { if ( collision.transform.root != transform.root ) { print("The colliding objects are not in the same hierarchy"); } }
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { void OnCollisionEnter(Collision collision) { if (collision.transform.root != transform.root) print("The colliding objects are not in the same hierarchy"); } }
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