using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DestroyObject_B : MonoBehaviour {

	public GameObject effectPrefab;

	void OnCollisionEnter(Collision other){
		if (other.gameObject.tag == "Shell") {

			Destroy (other.gameObject);

			foreach (ContactPoint contactPoint in other.contacts) {
				GameObject effect = (GameObject)Instantiate (effectPrefab, (Vector3)contactPoint.point, Quaternion.identity);

				// 衝突位置を確認してみる。
				print ((Vector3)contactPoint.point);

				Destroy (effect, 1.5f);
			}
		}
	}
}
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DestroyObject_B : MonoBehaviour {

	public GameObject effectPrefab;

	void OnCollisionEnter(Collision other){
		if (other.gameObject.tag == "Shell") {

			Destroy (other.gameObject);

			foreach (ContactPoint contactPoint in other.contacts) {
				GameObject effect = (GameObject)Instantiate (effectPrefab, (Vector3)contactPoint.point, Quaternion.identity);

				// 衝突位置を確認してみる。
				print ((Vector3)contactPoint.point);

				Destroy (effect, 1.5f);
			}
		}
	}
}
C#