//public override string ToString()
//{
// return String.Format(CultureInfo.InvariantCulture, "{{{0},{1},{2}}}", x, y, z);
//}
internal void WrtieToStream(CTextWriter writer)
{
writer.WriteVec3("v", Position);
writer.WriteVec3("vn", Normal);
writer.WriteVec2("uv0", UV0);
writer.WriteVec2("uv1", UV1);
writer.WriteColour("col", Colour);
}
