1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/vmath/geom.h	Thu Sep 08 08:30:42 2011 +0300
     1.3 @@ -0,0 +1,55 @@
     1.4 +#ifndef GEOM_H_
     1.5 +#define GEOM_H_
     1.6 +
     1.7 +#include "vector.h"
     1.8 +#include "ray.h"
     1.9 +
    1.10 +typedef struct {
    1.11 +	vec3_t norm;
    1.12 +	scalar_t d;
    1.13 +} plane_t;
    1.14 +
    1.15 +typedef struct {
    1.16 +	vec3_t pos;
    1.17 +	scalar_t rad;
    1.18 +} sphere_t;
    1.19 +
    1.20 +typedef struct {
    1.21 +	vec3_t min, max;
    1.22 +} aabox_t;
    1.23 +
    1.24 +#ifdef __cplusplus
    1.25 +extern "C" {
    1.26 +#endif
    1.27 +
    1.28 +/* planes are good... you need planes, yes you do */
    1.29 +plane_t plane_cons(scalar_t nx, scalar_t ny, scalar_t nz, scalar_t d);
    1.30 +plane_t plane_poly(vec3_t v0, vec3_t v1, vec3_t v2);
    1.31 +plane_t plane_ptnorm(vec3_t pt, vec3_t normal);
    1.32 +
    1.33 +plane_t plane_invert(plane_t p);
    1.34 +
    1.35 +scalar_t plane_signed_dist(plane_t plane, vec3_t pt);
    1.36 +scalar_t plane_dist(plane_t plane, vec3_t pt);
    1.37 +vec3_t plane_point(plane_t plane);
    1.38 +
    1.39 +int plane_ray_intersect(ray_t ray, plane_t plane, scalar_t *pos);
    1.40 +
    1.41 +/* spheres always come in handy */
    1.42 +sphere_t sphere_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t rad);
    1.43 +
    1.44 +int sphere_ray_intersect(ray_t ray, sphere_t sph, scalar_t *pos);
    1.45 +int sphere_sphere_intersect(sphere_t sph1, sphere_t sph2, scalar_t *pos, scalar_t *rad);
    1.46 +
    1.47 +#ifdef __cplusplus
    1.48 +}
    1.49 +
    1.50 +/* TODO
    1.51 +class Plane : public plane_t {
    1.52 +public:
    1.53 +};
    1.54 +*/
    1.55 +
    1.56 +#endif
    1.57 +
    1.58 +#endif	/* GEOM_H_ */