diff options
Diffstat (limited to 'libdimension/cameras.c')
| -rw-r--r-- | libdimension/cameras.c | 19 |
1 files changed, 18 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 */ |