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> So you're seriously telling me that if you wanted to model, say, an
> engine, you'd actually draw billions of triangles rather than just take a
> cube and intersect a few cylinders out of it, and then make the pistons to
> go in it, etc?
>
> Um, why?
In your mind it seems everything is *way* simpler than it actually is in
real life. You think that an engine can be modelled by a few CSG
operations, or a phone base or computer monitor. Sure, you can get some
very crude 3D model that way, but it will look awful.
Real life doens't have perfectly sharp edges or perfectly straight
cylinders, real life has rounds on every single edge and lots of curved
surfaces. If you don't get the rounds and curved surfaces it is going to
look rubbish in any render.
Here's a real life engine for you (I assume you meant car engine):
http://www.ausmotive.com/images/BMW-335-engine-01.jpg
Are you really telling me you could get a half-way realistic SDL version of
that in a reasonable time?
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