diff options
Diffstat (limited to 'libdimension')
| -rw-r--r-- | libdimension/cube.c | 9 | ||||
| -rw-r--r-- | libdimension/dimension/object.h | 7 | ||||
| -rw-r--r-- | libdimension/sphere.c | 9 |
3 files changed, 14 insertions, 11 deletions
diff --git a/libdimension/cube.c b/libdimension/cube.c index da7f206..9815eb6 100644 --- a/libdimension/cube.c +++ b/libdimension/cube.c @@ -124,10 +124,11 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line) if (t >= 0.0) { intersection = dmnsn_new_intersection(); - intersection->ray = line; - intersection->t = t; - intersection->normal = normal; - intersection->texture = cube->texture; + intersection->ray = line; + intersection->t = t; + intersection->normal = normal; + intersection->texture = cube->texture; + intersection->interior = cube->interior; } return intersection; diff --git a/libdimension/dimension/object.h b/libdimension/dimension/object.h index 4c1980d..e607d8c 100644 --- a/libdimension/dimension/object.h +++ b/libdimension/dimension/object.h @@ -26,7 +26,7 @@ #define DIMENSION_OBJECT_H /* A type to represent a ray-object intersection */ -typedef struct { +typedef struct dmnsn_intersection { /* The ray and point which intersected */ dmnsn_line ray; double t; @@ -34,8 +34,9 @@ typedef struct { /* The surface normal at the intersection point */ dmnsn_vector normal; - /* The texture at the intersection point */ - const dmnsn_texture *texture; + /* The object properties at the intersection point */ + const dmnsn_texture *texture; + const dmnsn_interior *interior; } dmnsn_intersection; /* Intersection allocation cannot fail */ diff --git a/libdimension/sphere.c b/libdimension/sphere.c index c238192..d994248 100644 --- a/libdimension/sphere.c +++ b/libdimension/sphere.c @@ -69,10 +69,11 @@ dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line line) if (t >= 0.0) { intersection = dmnsn_new_intersection(); - intersection->ray = line; - intersection->t = t; - intersection->normal = dmnsn_line_point(line, t); - intersection->texture = sphere->texture; + intersection->ray = line; + intersection->t = t; + intersection->normal = dmnsn_line_point(line, t); + intersection->texture = sphere->texture; + intersection->interior = sphere->interior; /* Flip the normal if we're inside the sphere */ if (dmnsn_vector_dot(line.n, intersection->normal) > 0.0) |