Collision.relativeVelocity

切换到手册
public Vector3 relativeVelocity ;

描述

这两个碰撞对象的相对线性速度(只读)。

// Play a sound when we hit an object with a big velocity
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { AudioSource audioSource;

void Start() { audioSource = GetComponent<AudioSource>(); }

void OnCollisionEnter(Collision collision) { if (collision.relativeVelocity.magnitude > 2) audioSource.Play(); } }