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define M_PI if needed

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Alexey Sokolov 2008-01-22 07:42:40 -07:00 • committed by Brian
parent 04fcc4cf1e
commit 30c65c3c62
1 changed files with 4 additions and 0 deletions
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4
progs/demos/engine.c
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@ -16,6 +16,10 @@
#include "trackball.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#define DEG_TO_RAD(DEG) ((DEG) * M_PI / 180.0)
#define TEXTURE_FILE "../images/reflect.rgb"