Files
Quake-Tools/qutils/COMMON/POLYLIB.H
2012-01-31 15:48:05 -06:00

23 lines
670 B
C

typedef struct
{
int numpoints;
vec3_t p[4]; // variable sized
} winding_t;
#define MAX_POINTS_ON_WINDING 64
#define ON_EPSILON 0.1
winding_t *AllocWinding (int points);
vec_t WindingArea (winding_t *w);
void WindingCenter (winding_t *w, vec3_t center);
void ClipWinding (winding_t *in, vec3_t normal, vec_t dist,
winding_t **front, winding_t **back);
winding_t *ChopWinding (winding_t *in, vec3_t normal, vec_t dist);
winding_t *CopyWinding (winding_t *w);
winding_t *BaseWindingForPlane (vec3_t normal, float dist);
void CheckWinding (winding_t *w);
void WindingPlane (winding_t *w, vec3_t normal, vec_t *dist);
void RemoveColinearPoints (winding_t *w);