Collision.contacts

Описание

Точки соприкосновения сгенерированные физическим движком.

Каждый контакт содержит точку соприкосновения, нормаль и два сталкивающихся коллайдера (см. ContactPoint). From inside OnCollisionStay or OnCollisionEnter you can always be sure that contacts has at least one element.

	function OnCollisionStay(collision : Collision) {
		for (var contact : ContactPoint in collision.contacts) {
			print(contact.thisCollider.name + " hit " + contact.otherCollider.name);
			// Visualize the contact point
			Debug.DrawRay(contact.point, contact.normal, Color.white);
		}
	}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnCollisionStay(Collision collision) {
        foreach (ContactPoint contact in collision.contacts) {
            print(contact.thisCollider.name + " hit " + contact.otherCollider.name);
            Debug.DrawRay(contact.point, contact.normal, Color.white);
        }
    }
}

	// A grenade
// - instantiates a explosion prefab when hitting a surface
// - then destroys itself

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Transform explosionPrefab;
    void OnCollisionEnter(Collision collision) {
        ContactPoint contact = collision.contacts[0];
        Quaternion rot = Quaternion.FromToRotation(Vector3.up, contact.normal);
        Vector3 pos = contact.point;
        Instantiate(explosionPrefab, pos, rot);
        Destroy(gameObject);
    }
}