IS DOOM REALLY 3D?
A lot of people question whether Doom is really a 3d game. This is because of things like the fact that you can't walk under or over an enemy, and that the Doom engine doesn't support more than one floor at a single point. The Doom engine takes a 2-dimensional plane and uses height information to map textures (stretch and resize bitmaps on walls and floors and ceilings to make the world change like it would in reality as the player moves. In Doom, surfaces are texture-mapped as opposed to displaying solid colors).
The thing is, wether any game is 3d is a matter of opinion. With today's technology, everything you see on a computer is displayed 2-dimensionally. 3d games don't give you depth perseption. The only way you can tell how far away something is compared to something else is how fast that object moves when you move. So, technically... no game is 3d. All that really means is that a moving room doesn't marterialize in your monitor everytime you start playing a 3d game. But if we define a 3d game as a game that can easily be translated by the user into reality, we can put stupid technicalities aside.
If this is 3D...
...is this?
So the answer: It's up to you. It's 3d enough for me, so I call it a genuine 3d game. To see an explaination that may be more what you're looking for, click here.
Background Music From Doom -- Episode 2 Level 6 -- Halls of the Damned
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