istereo2
diff libs/vmath/geom.h @ 2:81d35769f546
added the tunnel effect source
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 19 Sep 2015 05:51:51 +0300 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/vmath/geom.h Sat Sep 19 05:51:51 2015 +0300 1.3 @@ -0,0 +1,73 @@ 1.4 +/* 1.5 +libvmath - a vector math library 1.6 +Copyright (C) 2004-2011 John Tsiombikas <nuclear@member.fsf.org> 1.7 + 1.8 +This program is free software: you can redistribute it and/or modify 1.9 +it under the terms of the GNU Lesser General Public License as published 1.10 +by the Free Software Foundation, either version 3 of the License, or 1.11 +(at your option) any later version. 1.12 + 1.13 +This program is distributed in the hope that it will be useful, 1.14 +but WITHOUT ANY WARRANTY; without even the implied warranty of 1.15 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1.16 +GNU Lesser General Public License for more details. 1.17 + 1.18 +You should have received a copy of the GNU Lesser General Public License 1.19 +along with this program. If not, see <http://www.gnu.org/licenses/>. 1.20 +*/ 1.21 + 1.22 +#ifndef GEOM_H_ 1.23 +#define GEOM_H_ 1.24 + 1.25 +#include "vector.h" 1.26 +#include "ray.h" 1.27 + 1.28 +typedef struct { 1.29 + vec3_t norm; 1.30 + scalar_t d; 1.31 +} plane_t; 1.32 + 1.33 +typedef struct { 1.34 + vec3_t pos; 1.35 + scalar_t rad; 1.36 +} sphere_t; 1.37 + 1.38 +typedef struct { 1.39 + vec3_t min, max; 1.40 +} aabox_t; 1.41 + 1.42 +#ifdef __cplusplus 1.43 +extern "C" { 1.44 +#endif 1.45 + 1.46 +/* planes are good... you need planes, yes you do */ 1.47 +plane_t plane_cons(scalar_t nx, scalar_t ny, scalar_t nz, scalar_t d); 1.48 +plane_t plane_poly(vec3_t v0, vec3_t v1, vec3_t v2); 1.49 +plane_t plane_ptnorm(vec3_t pt, vec3_t normal); 1.50 + 1.51 +plane_t plane_invert(plane_t p); 1.52 + 1.53 +scalar_t plane_signed_dist(plane_t plane, vec3_t pt); 1.54 +scalar_t plane_dist(plane_t plane, vec3_t pt); 1.55 +vec3_t plane_point(plane_t plane); 1.56 + 1.57 +int plane_ray_intersect(ray_t ray, plane_t plane, scalar_t *pos); 1.58 + 1.59 +/* spheres always come in handy */ 1.60 +sphere_t sphere_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t rad); 1.61 + 1.62 +int sphere_ray_intersect(ray_t ray, sphere_t sph, scalar_t *pos); 1.63 +int sphere_sphere_intersect(sphere_t sph1, sphere_t sph2, scalar_t *pos, scalar_t *rad); 1.64 + 1.65 +#ifdef __cplusplus 1.66 +} 1.67 + 1.68 +/* TODO 1.69 +class Plane : public plane_t { 1.70 +public: 1.71 +}; 1.72 +*/ 1.73 + 1.74 +#endif 1.75 + 1.76 +#endif /* GEOM_H_ */