diff -r 4fedf7290929 -r 7c3f38dff082 include/raytracer.h
--- a/include/raytracer.h	Sat Apr 19 18:00:27 2008 +0200
+++ b/include/raytracer.h	Sun Apr 20 16:48:24 2008 +0200
@@ -70,7 +70,7 @@
 
 	static void *raytrace_worker(void *d);
 public:
-	Raytracer(): top(NULL), camera(NULL), lights(), bg_colour(0.0, 0.0, 0.0),
+	Raytracer(): top(NULL), camera(NULL), lights(), bg_colour(0., 0., 0.),
 		ao_samples(0), num_threads(2), max_depth(3)
 	{
 		pthread_mutex_init(&sample_queue_mutex, NULL);
@@ -88,13 +88,14 @@
 
 	void render();
 	Colour raytrace(Ray &ray, int depth, Shape *origin_shape);
-	void addshape(Shape *shape) { top->addShape(shape); };
-	void addlight(Light *light);
+	void addShape(Shape *shape) { top->addShape(shape); };
+	void addLight(Light *light) { lights.push_back(light); };
 	void setSampler(Sampler *sampl) { sampler = sampl; };
 	void setCamera(Camera *cam) { camera = cam; };
 	void setTop(Container *atop) { top = atop; };
 	Container *getTop() { return top; };
 
+	void setBgColour(const Colour &bg) { bg_colour = bg; };
 	void setMaxDepth(int newdepth) { max_depth = newdepth; };
 
 	void ambientocclusion(int samples, Float distance, Float angle);