Version: 5.3
public static Camera.CameraCallback onPreCull ;

설명

Event that is fired before any camera starts culling.

using UnityEngine;
public class ExampleClass : MonoBehaviour
{
    // callback to be called before any culling
    public void MyPreCull(Camera cam)
    {
        Debug.Log("PreCull: " + cam.gameObject.name);
    }
    public void OnEnable()
    {
        // register the callback when enabling object
        Camera.onPreCull += MyPreCull;
    }
    public void OnDisable()
    {
        // remove the callback when disabling object
        Camera.onPreCull -= MyPreCull;
    }
}