FlipTextureHorizontaly

public static void FlipTextureHorizontaly(Texture2D original)
    {
        var originalPixels = original.GetPixels32();

        Color32[] newPixels = new Color32[originalPixels.Length];

        int width = original.width;
        int height = original.height;

        for (int y = 0; y < height; y++)
        {
            for (int x = 0; x < width; x++)
            {
                newPixels[y * (width + 1)] = originalPixels[(width * (y + 1)) - 1 - x];
            }
        }

        original.SetPixels32(newPixels);
        original.Apply();
    }