28 lines
656 B
C
28 lines
656 B
C
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/**********************************************************************
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*<
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FILE: trig.h
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DESCRIPTION: Useful trigonometry macros
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CREATED BY: Rolf Berteig
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HISTORY: created 19 November 1994
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*> Copyright (c) 1994, All Rights Reserved.
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**********************************************************************/
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#ifndef __TRIG__
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#define __TRIG__
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#define PI ((float)3.1415926535)
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#define TWOPI ((float)6.283185307)
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#define HALFPI ((float)1.570796326794895)
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#define DEG_TO_RAD (PI/(float)180.0)
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#define RAD_TO_DEG ((float)180.0/PI)
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#define DegToRad(deg) (((float)deg)*DEG_TO_RAD)
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#define RadToDeg(rad) (((float)rad)*RAD_TO_DEG)
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#endif // __TRIG_H__
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