5 #include "cgmath/cgmath.h"
17 struct cmesh *mesh; /* no ownership */
18 struct frac_cell *cells; /* dynarr */
22 int frac_init(struct fracture *frac);
23 void frac_destroy(struct fracture *frac);
25 /* fracture does not take ownership of the mesh, and does not modify it */
26 void frac_mesh(struct fracture *frac, const struct cmesh *m);
28 int frac_point(struct fracture *frac, float x, float y, float z);
29 int frac_num_cells(struct fracture *frac);
31 /* add a bunch of random points in the bounding box of the mesh */
32 int frac_gen_points(struct fracture *frac, int num);
34 /* construct the voronoi cells */
35 int frac_build_cells(struct fracture *frac);
36 /* generate the polygons for the outer shell of each cell */
37 int frac_build_shell(struct fracture *frac);
38 /* generate the polygons for the inner walls of the cells */
39 int frac_build_walls(struct fracture *frac);
41 /* perform all the steps in order */
42 int frac_build(struct fracture *frac);