RaycastHit2D.point

描述

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);
        }
    }
}