MonoBehaviour.OnWillRenderObject()

描述

如果对象可见并且不是 UI 元素，则为每个摄像机调用 OnWillRenderObject。

如果禁用了 MonoBehaviour，则不会调用该函数。

The function is called during the culling process just before rendering each culled object.

注意，Camera.current 设置为将渲染该对象的摄像机。

**注意：**从 UI 元素调用时无效。

using UnityEngine;
using System.Collections;

public class ExampleScript : MonoBehaviour
{
    public Renderer rend;

    private float timePass = 0.0f;

    void Start()
    {
        rend = GetComponent<Renderer>();
    }

    void OnWillRenderObject()
    {
        timePass += Time.deltaTime;

        if (timePass > 1.0f)
        {
            timePass = 0.0f;
            print(gameObject.name + " is being rendered by " + Camera.current.name + " at " + Time.time);
        }
    }
}

每帧将调用多次。