Add pattern framework, impelement checker pattern.

1 files changed, 10 insertions, 6 deletions

diff --git a/tests/libdimension/render.c b/tests/libdimension/render.c
index 12c0588..bc662d3 100644
--- a/tests/libdimension/render.c
+++ b/tests/libdimension/render.c
@@ -104,12 +104,6 @@ dmnsn_new_test_scene(void)
   dmnsn_object *csg = dmnsn_new_csg_difference(cube, sphere);
   dmnsn_array_push(scene->objects, &csg);
 
-  dmnsn_object *plane = dmnsn_new_plane(dmnsn_new_vector(0.0, 1.0, 0.0));
-  plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0));
-  plane->texture = dmnsn_new_texture();
-  plane->texture->pigment = dmnsn_new_solid_pigment(dmnsn_white);
-  dmnsn_array_push(scene->objects, &plane);
-
   dmnsn_object *cylinder = dmnsn_new_cylinder(0.1, 0.1, false);
   cylinder->trans =
     dmnsn_matrix_mul(
@@ -155,6 +149,16 @@ dmnsn_new_test_scene(void)
   torii->texture->finish  = dmnsn_new_ambient_finish(dmnsn_white);
   dmnsn_array_push(scene->objects, &torii);
 
+  dmnsn_object *plane = dmnsn_new_plane(dmnsn_new_vector(0.0, 1.0, 0.0));
+  plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0));
+  plane->texture = dmnsn_new_texture();
+  dmnsn_pattern *checker = dmnsn_new_checker_pattern();
+  dmnsn_color_map *color_map = dmnsn_new_color_map();
+  dmnsn_add_color_map_entry(color_map, 0.5, dmnsn_black);
+  dmnsn_add_color_map_entry(color_map, 1.0, dmnsn_white);
+  plane->texture->pigment = dmnsn_new_color_map_pigment(checker, color_map);
+  dmnsn_array_push(scene->objects, &plane);
+
   return scene;
 }