mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-07 05:30:31 +00:00
31 lines
967 B
C
31 lines
967 B
C
#ifndef __MATHLIB__
|
|
#define __MATHLIB__
|
|
|
|
#include "cmdlib.h"
|
|
|
|
// mathlib.h
|
|
|
|
typedef float vec_t;
|
|
typedef vec_t vec3_t[3];
|
|
|
|
extern vec3_t vec3_origin;
|
|
|
|
boolean VectorCompare (vec3_t v1, vec3_t v2);
|
|
|
|
#define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
|
|
#define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
|
|
#define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
|
|
#define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}
|
|
|
|
vec_t _DotProduct (vec3_t v1, vec3_t v2);
|
|
void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out);
|
|
void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out);
|
|
void _VectorCopy (vec3_t in, vec3_t out);
|
|
|
|
void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);
|
|
void VectorNormalize (vec3_t v);
|
|
void VectorScale (vec3_t v, vec_t scale, vec3_t out);
|
|
double VectorLength (vec3_t v);
|
|
void VectorMA (vec3_t va, double scale, vec3_t vb, vec3_t vc);
|
|
|
|
#endif
|