Question

Description 描述

Sent when an incoming collider makes contact with this object's collider (2D physics only).

当传入的碰撞器接触到这个对象的碰撞器时发送（仅2D物理）。

Further information about the collision is reported in the Collision 2D parameter passed during the call.

关于碰撞的更多信息在调用过程中通过Collision2D参数报告。

See Also: Collision2D class, OnCollisionExit2D, OnCollisionStay2D.

JavaScript:

function OnCollisionEnter2D(coll: Collision2D) {
	if (coll.gameObject.tag == "Enemy")
		coll.gameObject.SendMessage("ApplyDamage", 10);
}

C#:

using UnityEngine;
using System.Collections;
 
public class ExampleClass : MonoBehaviour {
    void OnCollisionEnter2D(Collision2D coll) {
        if (coll.gameObject.tag == "Enemy")
            coll.gameObject.SendMessage("ApplyDamage", 10);
 
    }
}

Collider2D