Camera.onPreRender

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public static Camera.CameraCallback onPreRender ;

Description

任意摄像机开始渲染前触发的事件。

注意,当调用 onPreRender 时,摄像机的渲染目标尚未设置,深度纹理 也尚未渲染。如果您想稍后(在设置好渲染目标后)执行某些操作, 请尝试使用 CommandBuffer


using UnityEngine;
public class ExampleClass : MonoBehaviour
{
    // callback to be called before any camera starts rendering
    public void MyPreRender(Camera cam)
    {
        Debug.Log("PreRender " + gameObject.name + " from camera " + cam.gameObject.name);
    }

public void OnEnable() { // register the callback when enabling object Camera.onPreRender += MyPreRender; }

public void OnDisable() { // remove the callback when disabling object Camera.onPreRender -= MyPreRender; } }

另请参阅:CameraCallbackonPostRenderonPreCull