textures ........\cube-texture.png ........\cubic-marc.png ........\marc.png ........\reduced-marc.png ........\small-marc.png ChangeLog add_light.m add_material.m add_object.m add_object_faces.m demo1.m demo2.m init_camera.m map_materials.m select_visible_faces.m trace_rays.m update_camera.m update_cameras.m update_light.m update_lights.m update_object.m update_objects.m update_scene_to_next_frame.m