gpuray_glsl
annotate vmath/ray.h @ 0:f234630e38ff
initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 09 Nov 2014 13:03:36 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 /* |
| nuclear@0 | 2 libvmath - a vector math library |
| nuclear@0 | 3 Copyright (C) 2004-2011 John Tsiombikas <nuclear@member.fsf.org> |
| nuclear@0 | 4 |
| nuclear@0 | 5 This program is free software: you can redistribute it and/or modify |
| nuclear@0 | 6 it under the terms of the GNU Lesser General Public License as published |
| nuclear@0 | 7 by the Free Software Foundation, either version 3 of the License, or |
| nuclear@0 | 8 (at your option) any later version. |
| nuclear@0 | 9 |
| nuclear@0 | 10 This program is distributed in the hope that it will be useful, |
| nuclear@0 | 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| nuclear@0 | 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| nuclear@0 | 13 GNU Lesser General Public License for more details. |
| nuclear@0 | 14 |
| nuclear@0 | 15 You should have received a copy of the GNU Lesser General Public License |
| nuclear@0 | 16 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| nuclear@0 | 17 */ |
| nuclear@0 | 18 |
| nuclear@0 | 19 #ifndef VMATH_RAY_H_ |
| nuclear@0 | 20 #define VMATH_RAY_H_ |
| nuclear@0 | 21 |
| nuclear@0 | 22 #include "matrix.h" |
| nuclear@0 | 23 #include "vector.h" |
| nuclear@0 | 24 |
| nuclear@0 | 25 typedef struct { |
| nuclear@0 | 26 vec3_t origin, dir; |
| nuclear@0 | 27 } ray_t; |
| nuclear@0 | 28 |
| nuclear@0 | 29 #ifdef __cplusplus |
| nuclear@0 | 30 extern "C" { |
| nuclear@0 | 31 #endif /* __cplusplus */ |
| nuclear@0 | 32 |
| nuclear@0 | 33 static inline ray_t ray_cons(vec3_t origin, vec3_t dir); |
| nuclear@0 | 34 ray_t ray_transform(ray_t r, mat4_t m); |
| nuclear@0 | 35 |
| nuclear@0 | 36 #ifdef __cplusplus |
| nuclear@0 | 37 } /* __cplusplus */ |
| nuclear@0 | 38 |
| nuclear@0 | 39 #include <stack> |
| nuclear@0 | 40 |
| nuclear@0 | 41 class Ray { |
| nuclear@0 | 42 public: |
| nuclear@0 | 43 static scalar_t env_ior; |
| nuclear@0 | 44 |
| nuclear@0 | 45 Vector3 origin, dir; |
| nuclear@0 | 46 scalar_t energy; |
| nuclear@0 | 47 int iter; |
| nuclear@0 | 48 scalar_t ior; |
| nuclear@0 | 49 long time; |
| nuclear@0 | 50 |
| nuclear@0 | 51 void *user; /* store any random crap with the ray */ |
| nuclear@0 | 52 |
| nuclear@0 | 53 Ray(); |
| nuclear@0 | 54 Ray(const Vector3 &origin, const Vector3 &dir); |
| nuclear@0 | 55 |
| nuclear@0 | 56 void transform(const Matrix4x4 &xform); |
| nuclear@0 | 57 Ray transformed(const Matrix4x4 &xform) const; |
| nuclear@0 | 58 }; |
| nuclear@0 | 59 |
| nuclear@0 | 60 inline Ray reflect_ray(const Ray &inray, const Vector3 &norm); |
| nuclear@0 | 61 inline Ray refract_ray(const Ray &inray, const Vector3 &norm, scalar_t from_ior, scalar_t to_ior); |
| nuclear@0 | 62 #endif /* __cplusplus */ |
| nuclear@0 | 63 |
| nuclear@0 | 64 #include "ray.inl" |
| nuclear@0 | 65 |
| nuclear@0 | 66 #endif /* VMATH_RAY_H_ */ |