public VertexPositionTextureColor(Vector2 position, Vector2 tex, HexColor color)
 {
     Position  = position;
     TexCoords = tex;
     Color     = color.Vector4;
 }
 public VertexPositionColor(Vector2 position, HexColor color)
 {
     Position = position;
     Color    = color.Vector4;
 }