--- a/src/raytracer.h	Mon Nov 26 17:31:37 2007 +0100
+++ b/src/raytracer.h	Mon Nov 26 23:12:40 2007 +0100
@@ -19,15 +19,17 @@
 struct RenderrowData {
 	Raytracer *rt;
 	int w;
-	float vx, vy, dx, dy;
-	Vector3 eye;
+	Vector3 eye, dfix, dx;
+#if OVERSAMPLING
+	Vector3 dy;
+#endif
 	float *iter;
 };
-//static void *renderrow(void *data);
 
 class Raytracer
 {
 	Container *top;
+	Camera *camera;
 	vector<Light*> lights;
 	Colour bg_colour;
 	int ao_samples;
@@ -36,13 +38,14 @@
 
 	Vector3 SphereDistribute(int i, int n, float extent, Vector3 &normal);
 public:
-	Raytracer(): lights(), bg_colour(0.0, 0.0, 0.0), ao_samples(0), num_threads(4)
-		{ top = new KdTree(); };
+	Raytracer(): camera(NULL), lights(), bg_colour(0.0, 0.0, 0.0),
+		ao_samples(0), num_threads(4) { top = new KdTree(); };
 	~Raytracer() { delete top; };
 	float *render(int w, int h);
 	Colour raytrace(Ray &ray, int depth, Shape *origin_shape);
 	void addshape(Shape *shape) { top->addShape(shape); };
 	void addlight(Light *light);
+	void setCamera(Camera *cam) { camera = cam; };
 
 	void ambientocclusion(int samples, float distance, float angle);
 	void setThreads(int num) { num_threads = num; };