winding.h

   1
   2 #ifndef WINDING_H
   3 #define WINDING_H
   4
   5 typedef struct
   6 {
   7         int numpoints;
   8         int maxpoints;
   9         double points[8][3]; // variable sized
  10 }
  11 winding_t;
  12
  13 winding_t *Winding_New(int points);
  14 void Winding_Free(winding_t *w);
  15 winding_t *Winding_NewFromPlane(double normalx, double normaly, double normalz, double dist);
  16 winding_t *Winding_Clip(winding_t *in, double splitnormalx, double splitnormaly, double splitnormalz, double splitdist, int keepon);
  17 void Winding_Divide(winding_t *in, double splitnormalx, double splitnormaly, double splitnormalz, double splitdist, winding_t **front, winding_t **back);
  18 void BufWinding_NewFromPlane(winding_t *w, double normalx, double normaly, double normalz, double dist);
  19 void BufWinding_Divide(winding_t *in, double splitnormalx, double splitnormaly, double splitnormalz, double splitdist, winding_t *outfront, int *neededfrontpoints, winding_t *outback, int *neededbackpoints);
  20
  21 #endif
  22