istereo
annotate libs/vmath/geom.h @ 28:c0ae8e668447
added vmath library
| author | John Tsiombikas <nuclear@mutantstargoat.com> |
|---|---|
| date | Thu, 08 Sep 2011 08:30:42 +0300 |
| parents | |
| children | ff055bff6a15 |
| rev | line source |
|---|---|
| nuclear@28 | 1 #ifndef GEOM_H_ |
| nuclear@28 | 2 #define GEOM_H_ |
| nuclear@28 | 3 |
| nuclear@28 | 4 #include "vector.h" |
| nuclear@28 | 5 #include "ray.h" |
| nuclear@28 | 6 |
| nuclear@28 | 7 typedef struct { |
| nuclear@28 | 8 vec3_t norm; |
| nuclear@28 | 9 scalar_t d; |
| nuclear@28 | 10 } plane_t; |
| nuclear@28 | 11 |
| nuclear@28 | 12 typedef struct { |
| nuclear@28 | 13 vec3_t pos; |
| nuclear@28 | 14 scalar_t rad; |
| nuclear@28 | 15 } sphere_t; |
| nuclear@28 | 16 |
| nuclear@28 | 17 typedef struct { |
| nuclear@28 | 18 vec3_t min, max; |
| nuclear@28 | 19 } aabox_t; |
| nuclear@28 | 20 |
| nuclear@28 | 21 #ifdef __cplusplus |
| nuclear@28 | 22 extern "C" { |
| nuclear@28 | 23 #endif |
| nuclear@28 | 24 |
| nuclear@28 | 25 /* planes are good... you need planes, yes you do */ |
| nuclear@28 | 26 plane_t plane_cons(scalar_t nx, scalar_t ny, scalar_t nz, scalar_t d); |
| nuclear@28 | 27 plane_t plane_poly(vec3_t v0, vec3_t v1, vec3_t v2); |
| nuclear@28 | 28 plane_t plane_ptnorm(vec3_t pt, vec3_t normal); |
| nuclear@28 | 29 |
| nuclear@28 | 30 plane_t plane_invert(plane_t p); |
| nuclear@28 | 31 |
| nuclear@28 | 32 scalar_t plane_signed_dist(plane_t plane, vec3_t pt); |
| nuclear@28 | 33 scalar_t plane_dist(plane_t plane, vec3_t pt); |
| nuclear@28 | 34 vec3_t plane_point(plane_t plane); |
| nuclear@28 | 35 |
| nuclear@28 | 36 int plane_ray_intersect(ray_t ray, plane_t plane, scalar_t *pos); |
| nuclear@28 | 37 |
| nuclear@28 | 38 /* spheres always come in handy */ |
| nuclear@28 | 39 sphere_t sphere_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t rad); |
| nuclear@28 | 40 |
| nuclear@28 | 41 int sphere_ray_intersect(ray_t ray, sphere_t sph, scalar_t *pos); |
| nuclear@28 | 42 int sphere_sphere_intersect(sphere_t sph1, sphere_t sph2, scalar_t *pos, scalar_t *rad); |
| nuclear@28 | 43 |
| nuclear@28 | 44 #ifdef __cplusplus |
| nuclear@28 | 45 } |
| nuclear@28 | 46 |
| nuclear@28 | 47 /* TODO |
| nuclear@28 | 48 class Plane : public plane_t { |
| nuclear@28 | 49 public: |
| nuclear@28 | 50 }; |
| nuclear@28 | 51 */ |
| nuclear@28 | 52 |
| nuclear@28 | 53 #endif |
| nuclear@28 | 54 |
| nuclear@28 | 55 #endif /* GEOM_H_ */ |