public void init()
    {
        float[] noDataPoint = new float[3];
        noDataPoint [0] = noDataPoint [1] = noDataPoint [2] = 0.0f;
        variableUtils   = new PhotonMappingUtils(false, 0, 0, -1.0f, -1.0f, noDataPoint);

        photonMap.initializePhotonData();

        colorData = new Color[imageSize * imageSize];

        resutTex = new Texture2D(imageSize, imageSize);
        GetComponent <Renderer> ().material.mainTexture = resutTex;
        reset();
    }