istereo

annotate libs/vmath/geom.h @ 43:73813c1176de

better hgignore
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 14 Aug 2015 04:33:42 +0300
parents c0ae8e668447
children
rev   line source
nuclear@39 1 /*
nuclear@39 2 libvmath - a vector math library
nuclear@39 3 Copyright (C) 2004-2011 John Tsiombikas <nuclear@member.fsf.org>
nuclear@39 4
nuclear@39 5 This program is free software: you can redistribute it and/or modify
nuclear@39 6 it under the terms of the GNU Lesser General Public License as published
nuclear@39 7 by the Free Software Foundation, either version 3 of the License, or
nuclear@39 8 (at your option) any later version.
nuclear@39 9
nuclear@39 10 This program is distributed in the hope that it will be useful,
nuclear@39 11 but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@39 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
nuclear@39 13 GNU Lesser General Public License for more details.
nuclear@39 14
nuclear@39 15 You should have received a copy of the GNU Lesser General Public License
nuclear@39 16 along with this program. If not, see <http://www.gnu.org/licenses/>.
nuclear@39 17 */
nuclear@39 18
nuclear@28 19 #ifndef GEOM_H_
nuclear@28 20 #define GEOM_H_
nuclear@28 21
nuclear@28 22 #include "vector.h"
nuclear@28 23 #include "ray.h"
nuclear@28 24
nuclear@28 25 typedef struct {
nuclear@28 26 vec3_t norm;
nuclear@28 27 scalar_t d;
nuclear@28 28 } plane_t;
nuclear@28 29
nuclear@28 30 typedef struct {
nuclear@28 31 vec3_t pos;
nuclear@28 32 scalar_t rad;
nuclear@28 33 } sphere_t;
nuclear@28 34
nuclear@28 35 typedef struct {
nuclear@28 36 vec3_t min, max;
nuclear@28 37 } aabox_t;
nuclear@28 38
nuclear@28 39 #ifdef __cplusplus
nuclear@28 40 extern "C" {
nuclear@28 41 #endif
nuclear@28 42
nuclear@28 43 /* planes are good... you need planes, yes you do */
nuclear@28 44 plane_t plane_cons(scalar_t nx, scalar_t ny, scalar_t nz, scalar_t d);
nuclear@28 45 plane_t plane_poly(vec3_t v0, vec3_t v1, vec3_t v2);
nuclear@28 46 plane_t plane_ptnorm(vec3_t pt, vec3_t normal);
nuclear@28 47
nuclear@28 48 plane_t plane_invert(plane_t p);
nuclear@28 49
nuclear@28 50 scalar_t plane_signed_dist(plane_t plane, vec3_t pt);
nuclear@28 51 scalar_t plane_dist(plane_t plane, vec3_t pt);
nuclear@28 52 vec3_t plane_point(plane_t plane);
nuclear@28 53
nuclear@28 54 int plane_ray_intersect(ray_t ray, plane_t plane, scalar_t *pos);
nuclear@28 55
nuclear@28 56 /* spheres always come in handy */
nuclear@28 57 sphere_t sphere_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t rad);
nuclear@28 58
nuclear@28 59 int sphere_ray_intersect(ray_t ray, sphere_t sph, scalar_t *pos);
nuclear@28 60 int sphere_sphere_intersect(sphere_t sph1, sphere_t sph2, scalar_t *pos, scalar_t *rad);
nuclear@28 61
nuclear@28 62 #ifdef __cplusplus
nuclear@28 63 }
nuclear@28 64
nuclear@28 65 /* TODO
nuclear@28 66 class Plane : public plane_t {
nuclear@28 67 public:
nuclear@28 68 };
nuclear@28 69 */
nuclear@28 70
nuclear@28 71 #endif
nuclear@28 72
nuclear@28 73 #endif /* GEOM_H_ */