UnityEngine.Texture2D.EncodeToJPG C# (CSharp) Method

        public byte[] EncodeToJPG()
        {
            return this.EncodeToJPG(0x4b);
        }

        private void CopyTextureCube(string texturePath, Cubemap cubemap, BabylonTexture babylonTexture)
        {
            if (!babylonScene.AddTextureCube(texturePath))
            {
                return;
            }

            try
            {
                foreach (CubemapFace face in Enum.GetValues(typeof(CubemapFace)))
                {
                    var faceTexturePath = Path.Combine(babylonScene.OutputPath, Path.GetFileNameWithoutExtension(texturePath));

                    switch (face)
                    {
                        case CubemapFace.PositiveX:
                            faceTexturePath += "_px.jpg";
                            break;
                        case CubemapFace.NegativeX:
                            faceTexturePath += "_nx.jpg";
                            break;
                        case CubemapFace.PositiveY:
                            faceTexturePath += "_py.jpg";
                            break;
                        case CubemapFace.NegativeY:
                            faceTexturePath += "_ny.jpg";
                            break;
                        case CubemapFace.PositiveZ:
                            faceTexturePath += "_pz.jpg";
                            break;
                        case CubemapFace.NegativeZ:
                            faceTexturePath += "_nz.jpg";
                            break;
                        default:
                            continue;
                    }

                    var tempTexture = new Texture2D(cubemap.width, cubemap.height, TextureFormat.RGB24, false);

                    tempTexture.SetPixels(cubemap.GetPixels(face));
                    tempTexture.Apply();

                    // Flip faces in cube texture.
                    tempTexture = FlipTexture(tempTexture);

                    File.WriteAllBytes(faceTexturePath, tempTexture.EncodeToJPG());
                }

            }
            catch (Exception ex)
            {
                Debug.LogException(ex);
            }

            var textureName = Path.GetFileNameWithoutExtension(texturePath);
            babylonTexture.name = textureName;
            babylonTexture.isCube = true;
            babylonTexture.level = exportationOptions.ReflectionDefaultLevel;
            babylonTexture.coordinatesMode = 3;
        }