diff options
| -rw-r--r-- | libdimension/cameras.c | 19 | ||||
| -rw-r--r-- | libdimension/dimension/cameras.h | 3 |
2 files changed, 21 insertions, 1 deletions
diff --git a/libdimension/cameras.c b/libdimension/cameras.c index c6dcf59..f346bbc 100644 --- a/libdimension/cameras.c +++ b/libdimension/cameras.c @@ -60,12 +60,29 @@ dmnsn_delete_perspective_camera(dmnsn_camera *camera) } } +/* Get the transformation matrix */ +dmnsn_matrix +dmnsn_get_perspective_camera_trans(const dmnsn_camera *camera) +{ + dmnsn_matrix *trans = camera->ptr; + return *trans; +} + +/* Set the transformation matrix */ +void +dmnsn_set_perspective_camera_trans(dmnsn_camera *camera, dmnsn_matrix T) +{ + dmnsn_matrix *trans = camera->ptr; + *trans = T; +} + +/* Perspective camera ray callback */ static dmnsn_line dmnsn_perspective_camera_ray_fn(const dmnsn_camera *camera, const dmnsn_canvas *canvas, unsigned int x, unsigned int y) { - dmnsn_matrix *trans = (dmnsn_matrix *)camera->ptr; + dmnsn_matrix *trans = camera->ptr; dmnsn_line l; /* Rays originate at the origin, oddly enough */ diff --git a/libdimension/dimension/cameras.h b/libdimension/dimension/cameras.h index bd9d162..a75e9b9 100644 --- a/libdimension/dimension/cameras.h +++ b/libdimension/dimension/cameras.h @@ -31,4 +31,7 @@ dmnsn_camera *dmnsn_new_perspective_camera(dmnsn_matrix trans); void dmnsn_delete_perspective_camera(dmnsn_camera *camera); +dmnsn_matrix dmnsn_get_perspective_camera_trans(const dmnsn_camera *camera); +void dmnsn_set_perspective_camera_trans(dmnsn_camera *camera, dmnsn_matrix T); + #endif /* DIMENSION_CAMERAS_H */ |