diff -r 28f6e8b9d5d1 -r fb170fccb19f ccdemos/realtime_bunny.cc
--- a/ccdemos/realtime_bunny.cc	Sun Dec 09 23:10:58 2007 +0100
+++ b/ccdemos/realtime_bunny.cc	Wed Dec 12 19:59:19 2007 +0100
@@ -1,6 +1,7 @@
 #include <SDL.h>
 
 #include "raytracer.h"
+#include "octree.h"
 #include <iostream>
 #include <fstream>
 #include <iomanip>
@@ -144,10 +145,10 @@
 	/* initialize raytracer and prepare scene */
 	render_buffer = (Float *) malloc(w*h*3*sizeof(Float));
 
-	rt.setThreads(1);
+	rt.setThreads(2);
 	rt.setMaxDepth(3);
 
-	KdTree top;
+	Octree top;
 	rt.setTop(&top);
 
 	Light light1(Vector3(-5.0, 2.0, 8.0), Colour(0.9, 0.3, 0.6));
@@ -165,7 +166,7 @@
 	cam.setEye(Vector3(0,0,10));
 
 	/* build kd-tree */
-	top.setMaxDepth(100);
+	top.setMaxDepth(3);
 	top.optimize();
 
 	/* loop... */