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Add FSIN/FCOS, shortcuts to FINESINE/FINECOSINE

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This commit is contained in:
James R 2022-11-21 11:44:36 -08:00
parent 36113f2d47
commit ff15fc142b
1 changed files with 5 additions and 1 deletions
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6
src/tables.h
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@ -27,7 +27,7 @@ extern "C" {
#define FINEANGLES 8192
#define FINEMASK (FINEANGLES - 1)
#define ANGLETOFINESHIFT 19 // 0x100000000 to 0x2000
#define FINEANGLE_C(x) ((FixedAngle((x)*FRACUNIT)>>ANGLETOFINESHIFT) & FINEMASK) // ((x*(ANGLE_45/45))>>ANGLETOFINESHIFT) & FINEMASK
#define ANGLETOFINE(x) (((x)>>ANGLETOFINESHIFT) & FINEMASK)
// Effective size is 10240.
extern fixed_t finesine[5*FINEANGLES/4];
@ -136,6 +136,10 @@ void FM_Rotate(matrix_t *dest, angle_t angle, fixed_t x, fixed_t y, fixed_t z);
#define FINECOSINE(n) (finecosine[n]>>(FINE_FRACBITS-FRACBITS))
#define FINETANGENT(n) (finetangent[n]>>(FINE_FRACBITS-FRACBITS))
// FSIN(ANGLE_90) = FRACUNIT
#define FSIN(n) FINESINE(ANGLETOFINE(n))
#define FCOS(n) FINECOSINE(ANGLETOFINE(n))
#ifdef __cplusplus
} // extern "C"
#endif