UnityEngine.Cubemap.Apply C# (CSharp) Method

        public void Apply()
        {
            bool makeNoLongerReadable = false;
            bool updateMipmaps = true;
            this.Apply(updateMipmaps, makeNoLongerReadable);
        }

    public static void DirectionalCubemap()
    {
        int faceSize = 8;
        Cubemap cube = new Cubemap(faceSize, TextureFormat.RGB24, false);

        // For each side
        foreach (CubemapFace face in System.Enum.GetValues(typeof(CubemapFace))) {
            Color[] pixels = new Color[faceSize * faceSize];
            for (int x = 0; x < faceSize; ++x)
                for (int y = 0; y < faceSize; ++y) {

                    int index = x + y * faceSize;
                    Vector3 dir = Utils.Cubemap.CubemapDirection(face,
                                                                 (x+0.5f) / (float)faceSize - 0.5f,
                                                                 (y+0.5f) / (float)faceSize - 0.5f);

                    pixels[index] = new Color(dir.x, dir.y, dir.z);
                }

            cube.SetPixels(pixels, face);
            cube.Apply();
        }

        AssetDatabase.CreateAsset(cube, "Assets/BiasedPhysics/DirectionalCubemap.cubemap");
        Debug.Log("Generated /BiasedPhysics/DirectionalCubemap.cubemap");
    }