Collision2D.rigidbody

描述

与otherRigidbody发生碰撞的传入Rigidbody2D。

如果Collision2D.collider未附加到Rigidbody2D，则这可能为空。

其他资源：Collider2D 和 Rigidbody2D。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    void OnCollisionEnter2D(Collision2D collision2D)
    {
        //If the object we collided with was a Runner and not a Catcher.
        if (collision2D.transform.name == "Runner")
        {
            StartCoroutine(StuckInTheMud(collision2D));
        }
    }

    //Freeze the object in position for 5 seconds
    public IEnumerator StuckInTheMud(Collision2D victim)
    {
        victim.rigidbody.isKinematic = true;
        yield return new WaitForSeconds(5f);
        victim.rigidbody.isKinematic = false;
    }
}