LoadPly

    Mesh ReadPly(string path)
    {
        Mesh mesh = new Mesh();
        using ( var reader = new StreamReader(path) ) {
            var line = reader.ReadLine();
            if ( line != "ply" ) {
                return null;
            }

            line = reader.ReadLine();
            if ( line != "format ascii 1.0" ) {
                return null;
            }

            line = reader.ReadLine();
            if ( line != "comment file created by Kinect Face" ) {
                return null;
            }


            line = reader.ReadLine();
            if ( line != "element vertex 1347" ) {
                return null;
            }

            // property float x
            //property float y
            //property float z
            //property uchar red
            //property uchar green
            //property uchar blue
            line = reader.ReadLine();
            line = reader.ReadLine();
            line = reader.ReadLine();
            line = reader.ReadLine();
            line = reader.ReadLine();
            line = reader.ReadLine();


            line = reader.ReadLine();
            if ( line != "element face 2630" ) {
                return null;
            }

            line = reader.ReadLine();
            if ( line != "property list uchar int vertex_index" ) {
                return null;
            }

            line = reader.ReadLine();
            if ( line != "end_header" ) {
                return null;
            }

            const int vertexCount = 1347;
            var vertices = new Vector3[vertexCount];
            var colors32 = new Color32[vertexCount];

            Debug.Log("Read Vertex");
            for ( int i = 0; i < vertexCount; i++ ) {
                line = reader.ReadLine();
                var param =  line.Split( new char[] { ' ' } );
                if ( param.Length != 6 ) {
                    return null;
                }

                vertices[i].x = float.Parse( param[0] );
                vertices[i].y = float.Parse( param[1] );
                vertices[i].z = float.Parse( param[2] );

                colors32[i].r = byte.Parse( param[3] );
                colors32[i].g = byte.Parse( param[4] );
                colors32[i].b = byte.Parse( param[5] );
            }


            mesh.vertices = vertices;
            mesh.colors32 = colors32;
            mesh.triangles = FaceData.Triangles();
            mesh.RecalculateNormals();
            mesh.RecalculateBounds();
        }

        return mesh;
    }