Parameter | Description |
---|---|
collision | The Collision data associated with this collision. |
OnCollisionEnter is called when this collider/rigidbody has begun touching another rigidbody/collider.
OnCollisionEnter
receives an instance of the Collision class as the collision
paramter. This parameter contains information about the collision such as contact points and impact velocity. If you don't use this collision data in your OnCollisionEnter
callback, leave out the collision
parameter from the method declaration to avoid unneccessary calculations.
Note: Collision events are only sent if one of the colliders also has a non-kinematic rigidbody attached. Collision events will be sent to disabled MonoBehaviours, to allow enabling Behaviours in response to collisions.OnCollisionEnter
can be a coroutine
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { AudioSource audioSource;
void Start() { audioSource = GetComponent<AudioSource>(); }
void OnCollisionEnter(Collision collision) { foreach (ContactPoint contact in collision.contacts) { Debug.DrawRay(contact.point, contact.normal, Color.white); }
if (collision.relativeVelocity.magnitude > 2) audioSource.Play(); } }