From 524db0cf19648e3c7c78d3e73103b7a0bdcd6bfc Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Wed, 18 Jan 2017 17:14:52 -0800 Subject: *: move source into src/ subdir Restoring some organizational sanity since adopting autotools. --- src/modules/ray/ray_object.c | 74 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/modules/ray/ray_object.c (limited to 'src/modules/ray/ray_object.c') diff --git a/src/modules/ray/ray_object.c b/src/modules/ray/ray_object.c new file mode 100644 index 0000000..4c5ccaf --- /dev/null +++ b/src/modules/ray/ray_object.c @@ -0,0 +1,74 @@ +#include + +#include "ray_object.h" +#include "ray_object_light.h" +#include "ray_object_plane.h" +#include "ray_object_point.h" +#include "ray_object_sphere.h" +#include "ray_ray.h" +#include "ray_surface.h" + + +/* Determine if a ray intersects object. + * If the object is intersected, store where along the ray the intersection occurs in res_distance. + */ +int ray_object_intersects_ray(ray_object_t *object, ray_ray_t *ray, float *res_distance) +{ + switch (object->type) { + case RAY_OBJECT_TYPE_SPHERE: + return ray_object_sphere_intersects_ray(&object->sphere, ray, res_distance); + + case RAY_OBJECT_TYPE_POINT: + return ray_object_point_intersects_ray(&object->point, ray, res_distance); + + case RAY_OBJECT_TYPE_PLANE: + return ray_object_plane_intersects_ray(&object->plane, ray, res_distance); + + case RAY_OBJECT_TYPE_LIGHT: + return ray_object_light_intersects_ray(&object->light, ray, res_distance); + default: + assert(0); + } +} + + +/* Return the surface normal of object @ point */ +ray_3f_t ray_object_normal(ray_object_t *object, ray_3f_t *point) +{ + switch (object->type) { + case RAY_OBJECT_TYPE_SPHERE: + return ray_object_sphere_normal(&object->sphere, point); + + case RAY_OBJECT_TYPE_POINT: + return ray_object_point_normal(&object->point, point); + + case RAY_OBJECT_TYPE_PLANE: + return ray_object_plane_normal(&object->plane, point); + + case RAY_OBJECT_TYPE_LIGHT: + return ray_object_light_normal(&object->light, point); + default: + assert(0); + } +} + + +/* Return the surface of object @ point */ +ray_surface_t ray_object_surface(ray_object_t *object, ray_3f_t *point) +{ + switch (object->type) { + case RAY_OBJECT_TYPE_SPHERE: + return ray_object_sphere_surface(&object->sphere, point); + + case RAY_OBJECT_TYPE_POINT: + return ray_object_point_surface(&object->point, point); + + case RAY_OBJECT_TYPE_PLANE: + return ray_object_plane_surface(&object->plane, point); + + case RAY_OBJECT_TYPE_LIGHT: + return ray_object_light_surface(&object->light, point); + default: + assert(0); + } +} -- cgit v1.2.1