--- a/src/scene.cc	Sun Nov 18 11:20:56 2007 +0100
+++ b/src/scene.cc	Thu Nov 22 17:53:34 2007 +0100
@@ -165,3 +165,23 @@
 	dist = t;
 	return true;
 }
+
+BBox Triangle::get_bbox()
+{
+	BBox bbox = BBox();
+	bbox.L = A;
+	if (B.x < bbox.L.x)  bbox.L.x = B.x;
+	if (C.x < bbox.L.x)  bbox.L.x = C.x;
+	if (B.y < bbox.L.y)  bbox.L.y = B.y;
+	if (C.y < bbox.L.y)  bbox.L.y = C.y;
+	if (B.z < bbox.L.z)  bbox.L.z = B.z;
+	if (C.z < bbox.L.z)  bbox.L.z = C.z;
+	bbox.R = A;
+	if (B.x > bbox.R.x)  bbox.R.x = B.x;
+	if (C.x > bbox.R.x)  bbox.R.x = C.x;
+	if (B.y > bbox.R.y)  bbox.R.y = B.y;
+	if (C.y > bbox.R.y)  bbox.R.y = C.y;
+	if (B.z > bbox.R.z)  bbox.R.z = B.z;
+	if (C.z > bbox.R.z)  bbox.R.z = C.z;
+	return bbox;
+};