remove redundant variable 'nSign' which is always = 1
Smooth the normals on MassObjects
Re-introduce display lists.
I should really just push everything into a single one, but I would
have to re-factor to pre-load all the textures, not load them while
rendering.
This isn't Doom III :)
Give the rear end of the motors a little shape
Draw inside & outside correctly in figure mode
Make the inside a little brighter
Smooth normals better.
Take better care of the tip normals.
Use TransitionRenderer for cones too
Use higher LOD near tip of cones
Reduce the LOD smartly in a couple places