*/
void raster_eye(raster_t* p, vec_t eye);
+/*
+ * Set the ambient light for the scene.
+ */
+void raster_ambient(raster_t* p, color_t ambient);
+
/*
* Add a light to the scene.
*/
void raster_light(raster_t* p, light_t light);
+/*
+ * Set the material properties for the scene.
+ */
+void raster_material(raster_t* p, color_t specular, scal_t shininess);
+
/*
* Save the raster to a PPM file.