ReflectionProbe.IsFinishedRendering

Проверяет, завершил ли зонд рендеринг с разбивкой по времени.

using UnityEngine;
using System.Collections;


public class UpdateProbeEvery2Seconds : MonoBehaviour
{
    private int RenderId = -1;
    private ReflectionProbe TheProbe;
    public RenderTexture TargetTexture;

    IEnumerator Start()
    {
        TheProbe = GetComponent<ReflectionProbe>();

        // set the probe to render in time-slicing mode and make sure all faces of the cubemap render the same frame.
        TheProbe.timeSlicingMode = UnityEngine.Rendering.ReflectionProbeTimeSlicingMode.AllFacesAtOnce;
        while (true)
        {
            yield return new WaitForSeconds(2.0f);

            // render the probe over several frames and blit into TargetTexture once finished.
            RenderId = TheProbe.RenderProbe(TargetTexture);
        }
    }

    void Update()
    {
        if (TheProbe.IsFinishedRendering(RenderId))
        {
            // Probe has finished rendering, do something with the render texture
        }
    }
}