public void Save(ModelData modelData, string filename) { using (var fileStream = new FileStream(filename, FileMode.Create)) { using (var binaryWriter = new BinaryWriter(fileStream)) { var vertexCount = modelData.GetVertexCount(); binaryWriter.Write(vertexCount); foreach (ModelData.Vertex vertex in modelData.GetAllVertexs()) { var num = -vertex.X; var y = vertex.Y; var z = vertex.Z; binaryWriter.Write(y); binaryWriter.Write(num); binaryWriter.Write(z); } binaryWriter.Write(vertexCount); foreach (ModelData.Vertex vertex in modelData.GetAllVertexs()) { var num1 = 0.0f; var num2 = 1f; var num3 = 0.0f; binaryWriter.Write(num2); binaryWriter.Write(num1); binaryWriter.Write(num3); } var faceCount = modelData.GetFaceCount(); binaryWriter.Write(faceCount); foreach (ModelData.Face allFace in modelData.GetAllFaces()) { binaryWriter.Write(allFace.Index1); binaryWriter.Write(allFace.Index2); binaryWriter.Write(allFace.Index3); binaryWriter.Write(0); binaryWriter.Write(0); binaryWriter.Write(0); } binaryWriter.Close(); } fileStream.Close(); } FileUtils.GrantAccess(filename); }