code: func (w *Window) MakeTriangles(t pixel.Triangles) pixel.TargetTriangles {
  	return w.canvas.MakeTriangles(t)
  }
docs: // MakeTriangles generates a specialized copy of the supplied Triangles that will draw onto this
  // Window.
  //
  // Window supports TrianglesPosition, TrianglesColor and TrianglesPicture.