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Answer by benrg for How did wolfenstein do 3D graphics when 3D graphics...
Wolfenstein 3D used ray tracing/ray casting, but only in one screen dimension (two world dimensions). For each of the 300-or-so screen columns, it cast a ray through the 2D world to find the...
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Answer by knol for How did wolfenstein do 3D graphics when 3D graphics...
Did they use trigonometric functions to place every pixel on the screen independently?Yes, exactly. And, well, not quite.As you've said, without any kind of accelerated drawing hardware, a programmer...
View ArticleHow did wolfenstein do 3D graphics when 3D graphics couldn't exist?
Did they use trigonometric functions to place every pixel on the screen independently?It seems like you could rotate the camera 90 degrees, and the scene would refresh much faster than all those pixels...
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