|enable||Turn smooth shading on (default: true) or off (false).|
When using lighting, for each vertex of a polygon the colour is
determined, then the colour of internal pixels is based on the
colour of these vertexes. There are two ways this can be done:
Either the whole polygon gets the same colour, or the colour is
smoothly interpolated over the polygon. By default smooth shading
is used, but that behaviour can be changed using this function.
NOTE: This is a Windows only function, and should not be used on any other target platform.
The above code switches off smooth shading for the 3D scene.