diff --git a/lib/common/src/bvh.rs b/lib/common/src/bvh.rs
index b5d0c13..c5345c3 100644
--- a/lib/common/src/bvh.rs
+++ b/lib/common/src/bvh.rs
@@ -10,27 +10,27 @@ use crate::aabb::Aabb;
 //sort the centerpoints on each axis (3 lists)
 //bv is put into octant based on whether it is upper or lower in each list
 
-pub enum RecursiveContent<R,T>{
-	Branch(Vec<R>),
-	Leaf(T),
+pub enum RecursiveContent<N,L>{
+	Branch(Vec<N>),
+	Leaf(L),
 }
-impl<R,T> RecursiveContent<R,T>{
+impl<N,L> RecursiveContent<N,L>{
 	pub fn empty()->Self{
 		Self::Branch(Vec::new())
 	}
 }
-pub struct BvhNode<T>{
-	content:RecursiveContent<BvhNode<T>,T>,
+pub struct BvhNode<L>{
+	content:RecursiveContent<BvhNode<L>,L>,
 	aabb:Aabb,
 }
-impl<T> BvhNode<T>{
+impl<L> BvhNode<L>{
 	pub fn empty()->Self{
 		Self{
 			content:RecursiveContent::empty(),
 			aabb:Aabb::default(),
 		}
 	}
-	pub fn sample_aabb<F:FnMut(&T)>(&self,aabb:&Aabb,f:&mut F){
+	pub fn sample_aabb<F:FnMut(&L)>(&self,aabb:&Aabb,f:&mut F){
 		match &self.content{
 			RecursiveContent::Leaf(model)=>f(model),
 			RecursiveContent::Branch(children)=>for child in children{
@@ -44,10 +44,10 @@ impl<T> BvhNode<T>{
 			},
 		}
 	}
-	pub fn into_inner(self)->(RecursiveContent<BvhNode<T>,T>,Aabb){
+	pub fn into_inner(self)->(RecursiveContent<BvhNode<L>,L>,Aabb){
 		(self.content,self.aabb)
 	}
-	pub fn into_visitor<F:FnMut(T)>(self,f:&mut F){
+	pub fn into_visitor<F:FnMut(L)>(self,f:&mut F){
 		match self.content{
 			RecursiveContent::Leaf(model)=>f(model),
 			RecursiveContent::Branch(children)=>for child in children{