世界空间中射线命中碰撞体表面的点。
精确接触点可以用于定位图形效果(如爆炸或血液飞溅)以及确定命中的特定对象部分。
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);
}
}
}