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annotate libs/vmath/ray.h @ 35:23e5d274b2a2

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added options panel, also added the xib files to the repository as they're needed
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 09 Sep 2011 10:03:42 +0300
parents
children ff055bff6a15
rev   line source
nuclear@28 1 #ifndef VMATH_RAY_H_
nuclear@28 2 #define VMATH_RAY_H_
nuclear@28 3
nuclear@28 4 #include "matrix.h"
nuclear@28 5 #include "vector.h"
nuclear@28 6
nuclear@28 7 typedef struct {
nuclear@28 8 vec3_t origin, dir;
nuclear@28 9 } ray_t;
nuclear@28 10
nuclear@28 11 #ifdef __cplusplus
nuclear@28 12 extern "C" {
nuclear@28 13 #endif /* __cplusplus */
nuclear@28 14
nuclear@28 15 static inline ray_t ray_cons(vec3_t origin, vec3_t dir);
nuclear@28 16 ray_t ray_transform(ray_t r, mat4_t m);
nuclear@28 17
nuclear@28 18 #ifdef __cplusplus
nuclear@28 19 } /* __cplusplus */
nuclear@28 20
nuclear@28 21 #include <stack>
nuclear@28 22
nuclear@28 23 class Ray {
nuclear@28 24 private:
nuclear@28 25 std::stack<scalar_t> ior_stack;
nuclear@28 26
nuclear@28 27 public:
nuclear@28 28 /* enviornmental index of refraction, normally 1.0 */
nuclear@28 29 static scalar_t env_ior;
nuclear@28 30
nuclear@28 31 Vector3 origin, dir;
nuclear@28 32 scalar_t energy;
nuclear@28 33 int iter;
nuclear@28 34 scalar_t ior;
nuclear@28 35 long time;
nuclear@28 36
nuclear@28 37 Ray();
nuclear@28 38 Ray(const Vector3 &origin, const Vector3 &dir);
nuclear@28 39
nuclear@28 40 void transform(const Matrix4x4 &xform);
nuclear@28 41 Ray transformed(const Matrix4x4 &xform) const;
nuclear@28 42
nuclear@28 43 void enter(scalar_t new_ior);
nuclear@28 44 void leave();
nuclear@28 45
nuclear@28 46 scalar_t calc_ior(bool entering, scalar_t mat_ior = 1.0) const;
nuclear@28 47 };
nuclear@28 48
nuclear@28 49 inline Ray reflect_ray(const Ray &inray, const Vector3 &norm);
nuclear@28 50 inline Ray refract_ray(const Ray &inray, const Vector3 &norm, scalar_t ior, bool entering, scalar_t ray_mag = -1.0);
nuclear@28 51 #endif /* __cplusplus */
nuclear@28 52
nuclear@28 53 #include "ray.inl"
nuclear@28 54
nuclear@28 55 #endif /* VMATH_RAY_H_ */