世界空间中射线命中碰撞体表面的点。
The exact point of contact can be useful for positioning graphic effects, such as explosion or blood splatters, and for knowing which specific part of an object was hit.
另请参阅:fraction。
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { public Vector2 direction;
void Update() { //Cast a ray in the direction specified in the inspector. RaycastHit2D hit = Physics2D.Raycast(this.gameObject.transform.position, direction);
//If something was hit. if (hit.collider != null) { //Display the point in world space where the ray hit the collider's surface. Debug.Log(hit.point); } } }