mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-06-03 18:35:52 -04:00
Ryan Dwyer
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#ifndef IN_MATH_H
|
|
#define IN_MATH_H
|
|
|
|
// @bug?
|
|
#define M_BADPI 3.141092641f
|
|
#define M_PI 3.141592741f
|
|
|
|
#define M_BADTAU (M_BADPI * 2)
|
|
#define M_TAU (M_PI * 2)
|
|
|
|
#define DTOR(deg) ((deg) * M_PI / 180.0f)
|
|
#define DTOR2(deg) ((deg) * (M_PI / 180.0f))
|
|
|
|
#define BADDTOR(deg) ((deg) * M_BADPI / 180.0f)
|
|
#define BADDTOR2(deg) ((deg) * (M_BADPI / 180.0f))
|
|
#define BADDTOR3(deg) ((deg) * M_BADTAU / 360.0f)
|
|
#define BADDTOR4(deg) ((deg) / 360.0f * M_BADTAU)
|
|
|
|
#define RTOD(rad) ((rad) * 180.0f / M_PI)
|
|
#define RTOD2(rad) ((rad) * (180.0f / M_PI))
|
|
|
|
#define BADRTOD(rad) ((rad) * (180.0f / M_BADPI))
|
|
#define BADRTOD2(rad) ((rad) * 180.0f / M_BADPI)
|
|
#define BADRTOD3(rad) ((rad) / M_BADTAU * 360.0f)
|
|
#define BADRTOD4(rad) ((rad) * 360.0f / M_BADTAU)
|
|
|
|
/**
|
|
* In many places, using the DTOR macros result in a value that differs from
|
|
* the original by 1 bit, so a literal radian value must be used to get a match.
|
|
*
|
|
* To help with readability, the RAD macro is used so that both the degree and
|
|
* radian values can be specified, even though degrees is not used.
|
|
*/
|
|
#define RAD(deg, rad) (rad)
|
|
|
|
#endif
|