5 #include "cgmath/cgmath.h"
10 cgm_vec4 *planes; /* dynarr */
14 struct cmesh *mesh; /* no ownership */
15 struct frac_cell *cells; /* dynarr */
18 int frac_init(struct fracture *frac);
19 void frac_destroy(struct fracture *frac);
21 /* fracture does not take ownership of the mesh, and does not modify it */
22 void frac_mesh(struct fracture *frac, const struct cmesh *m);
24 int frac_point(struct fracture *frac, float x, float y, float z);
25 int frac_num_cells(struct fracture *frac);
27 /* add a bunch of random points in the bounding box of the mesh */
28 int frac_gen_points(struct fracture *frac, int num);
30 /* construct the voronoi cells */
31 int frac_build_cells(struct fracture *frac);
32 /* generate the polygons for the outer shell of each cell */
33 int frac_build_shell(struct fracture *frac);
34 /* generate the polygons for the inner walls of the cells */
35 int frac_build_walls(struct fracture *frac);
37 /* perform all the steps in order */
38 int frac_build(struct fracture *frac);