What do YOU use vertex commands for?

Blitz3D Forums/Blitz3D Programming/What do YOU use vertex commands for?

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Slightly off topic, but "Rob Cummings" once did a code archive thing where I could not see his point.

This is a Blitz3D built-in code example - can someone explain the following to me:
Graphics3D 640,480 ,16,2
camera=CreateCamera() 

ent=CreateSphere()
EntityFX ent,2 ; enable vertex colors
LightMesh ent,255,255,0,50,-20,20,-20 ; apply fake lighting

MoveEntity camera,0,2,-10 
PointEntity camera,ent

While Not KeyDown(1) 
RenderWorld
Flip 
Wend
End


However, if I comment out two lines
;EntityFX ent,2 ; enable vertex colors
;LightMesh ent,255,255,0,50,-20,20,-20 ; apply fake lighting

I see the same effect (there is no visual difference) - so, what is the point of this? In both cases I am seeing a grey sphere. Is the demo a bit lame or should I be seeing a visual effect that my Radeon is not showing me?