diff --git a/lib/common/src/bvh.rs b/lib/common/src/bvh.rs
index 18dda2f..aa83d5f 100644
--- a/lib/common/src/bvh.rs
+++ b/lib/common/src/bvh.rs
@@ -25,6 +25,7 @@ impl Ray{
 		// t == (n.p - n.o)/n.d
 		// divide by 0 might be bad
 		// this is all wrong because it just does the planes
+		todo!();
 		[
 			(aabb.min().x-self.origin.x)/self.direction.x,
 			(aabb.min().y-self.origin.y)/self.direction.y,