diff options
Diffstat (limited to 'libdimension/dimension')
| -rw-r--r-- | libdimension/dimension/object.h | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/libdimension/dimension/object.h b/libdimension/dimension/object.h index cef1acb..56cfacd 100644 --- a/libdimension/dimension/object.h +++ b/libdimension/dimension/object.h @@ -85,22 +85,12 @@ dmnsn_object *dmnsn_new_object(void); /* Free an object */ void dmnsn_delete_object(dmnsn_object *object); +/* Initialize an object and potentially its children */ void dmnsn_object_init(dmnsn_object *object); -/* Useful function to transform a normal vector */ -DMNSN_INLINE dmnsn_vector -dmnsn_transform_normal(dmnsn_matrix trans, dmnsn_vector normal) -{ - return dmnsn_vector_normalize( - dmnsn_vector_sub( - dmnsn_transform_vector(trans, normal), - /* Optimized form of dmnsn_transform_vector(trans, dmnsn_zero) */ - dmnsn_vector_div( - dmnsn_new_vector(trans.n[0][3], trans.n[1][3], trans.n[2][3]), - trans.n[3][3] - ) - ) - ); -} +/* Helpers for invoking object callbacks with correct transformations */ +bool dmnsn_object_intersection(const dmnsn_object *object, dmnsn_line line, + dmnsn_intersection *intersection); +bool dmnsn_object_inside(const dmnsn_object *object, dmnsn_vector point); #endif /* DIMENSION_OBJECT_H */ |