Exploring raycasters and possibly make a little "doom like" game based on it.

Zed A. Shaw 5e63272f24 Brought in some of amit's code to study and try out. amt/ has it.		4 months ago
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amt_matrix.cpp	Brought in some of amit's code to study and try out. amt/ has it.	4 months ago
base.cpp	First build that actually works. SDL_main errors before but didn't figure out the cause.	4 months ago