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Collision2D.relativeVelocity

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public var relativeVelocity: Vector2;
public Vector2 relativeVelocity;

Description

The relative linear velocity of the two colliding objects (Read Only).

#pragma strict

// Play a sound when we hit an object with a big velocity var audio: AudioSource; function Start() {

audio = GetComponent.<AudioSource>(); }

function OnCollisionEnter2D(collision: Collision2D) {

if (collision.relativeVelocity.magnitude > 2) audio.Play(); }
// 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 OnCollisionEnter2D(Collision2D collision) { if (collision.relativeVelocity.magnitude > 2) audioSource.Play(); } }
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