diff --git a/lib/common/src/aabb.rs b/lib/common/src/aabb.rs
index 5e244d2..7b5e55d 100644
--- a/lib/common/src/aabb.rs
+++ b/lib/common/src/aabb.rs
@@ -34,6 +34,10 @@ impl Aabb{
 		self.min-=hs;
 		self.max+=hs;
 	}
+	pub fn contains(&self,point:Planar64Vec3)->bool{
+		let bvec=self.min.lt(point)&point.lt(self.max);
+		bvec.all()
+	}
 	pub fn intersects(&self,aabb:&Aabb)->bool{
 		let bvec=self.min.lt(aabb.max)&aabb.min.lt(self.max);
 		bvec.all()