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by ack_complete
1017 days ago
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Game Programming Gurus was a good book, but I had some gripes about it after later learning 3D graphics. The book prominently touted teaching you how to made a Doom-like clone, but instead taught you how to make a Wolfenstein 3D type ray casting engine on a regular grid. Its ray casting engine was also flawed in casting rays with at equally spaced angle steps rather than distance on the projection plane. It was good enough visually with spherical distortion / fisheye correction, but it's not the same as a proper projection. |
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