diff options
Diffstat (limited to 'dimension/realize.c')
| -rw-r--r-- | dimension/realize.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dimension/realize.c b/dimension/realize.c index b5c6066..8ca24cc 100644 --- a/dimension/realize.c +++ b/dimension/realize.c @@ -771,6 +771,28 @@ dmnsn_realize_sphere(dmnsn_astnode astnode) return sphere; } +static dmnsn_object * +dmnsn_realize_plane(dmnsn_astnode astnode) +{ + dmnsn_assert(astnode.type == DMNSN_AST_PLANE, "Expected a plane."); + + dmnsn_astnode normal, distance; + dmnsn_array_get(astnode.children, 0, &normal); + dmnsn_array_get(astnode.children, 1, &distance); + + dmnsn_vector n = dmnsn_vector_normalize(dmnsn_realize_vector(normal)); + double d = dmnsn_realize_float(distance); + + dmnsn_object *plane = dmnsn_new_plane(n); + plane->trans = dmnsn_translation_matrix(dmnsn_vector_mul(d, n)); + + dmnsn_astnode modifiers; + dmnsn_array_get(astnode.children, 2, &modifiers); + dmnsn_realize_object_modifiers(modifiers, plane); + + return plane; +} + typedef dmnsn_object *dmnsn_csg_object_fn(dmnsn_object *a, dmnsn_object *b); /* Generalized CSG realizer */ @@ -857,6 +879,8 @@ dmnsn_realize_object(dmnsn_astnode astnode, dmnsn_array *lights) return dmnsn_realize_intersection(astnode, lights); case DMNSN_AST_MERGE: return dmnsn_realize_merge(astnode, lights); + case DMNSN_AST_PLANE: + return dmnsn_realize_plane(astnode); case DMNSN_AST_SPHERE: return dmnsn_realize_sphere(astnode); case DMNSN_AST_UNION: @@ -925,6 +949,7 @@ dmnsn_realize_astree(const dmnsn_astree *astree) case DMNSN_AST_DIFFERENCE: case DMNSN_AST_INTERSECTION: case DMNSN_AST_MERGE: + case DMNSN_AST_PLANE: case DMNSN_AST_SPHERE: case DMNSN_AST_UNION: object = dmnsn_realize_object(astnode, scene->lights); |