Texture Save

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    void SaveTextureToFile(Texture2D texture, string filename)

    {

        byte[] bytes;

        bytes = texture.EncodeToPNG();

        System.IO.FileStream fileSave;

        savepath = Application.dataPath + "/Noise/" + filename;

        fileSave = new FileStream(Application.dataPath + "/Noise/" + filename, FileMode.Create);

        System.IO.BinaryWriter binary;

        binary = new BinaryWriter(fileSave);

        binary.Write(bytes);

        fileSave.Close();

    }

    public Texture2D alpha_texture;

    void SaveTextureAlphaToFile(Texture2D texture, string filename)

    {

        if (alpha_texture == null)

        {

            alpha_texture = new Texture2D(resolution, resolution, TextureFormat.RGBA32, false);

            alpha_texture.name = "Procedural Texture";

            alpha_texture.wrapMode = TextureWrapMode.Repeat;

            alpha_texture.filterMode = FilterMode.Bilinear;

            alpha_texture.anisoLevel = 1;

        }

        Color pixA;

        for (int i = 0; i < texture.width; i++)

        {

            for (int j = 0; j < texture.height; j++)

            {

                pixA = Color.black;

                Color curcol = texture.GetPixel(i, j);

                pixA.a = (curcol.r + curcol.g + curcol.b) / 3f;

                alpha_texture.SetPixel(i, j, pixA);

            }

        }

        alpha_texture.Apply();

        byte[] bytes;

        bytes = alpha_texture.EncodeToPNG();

        System.IO.FileStream fileSave;

        savepath = Application.dataPath + "/Noise/" + filename;

        fileSave = new FileStream(Application.dataPath + "/Noise/" + filename, FileMode.Create);

        System.IO.BinaryWriter binary;

        binary = new BinaryWriter(fileSave);

        binary.Write(bytes);

        fileSave.Close();

    }