diff --git a/src/face_crawler.rs b/src/face_crawler.rs
new file mode 100644
index 0000000..fb7e1d7
--- /dev/null
+++ b/src/face_crawler.rs
@@ -0,0 +1,21 @@
+struct VertexId(usize);
+struct EdgeId(usize);
+struct FaceId(usize);
+
+//Vertex <-> Edge <-> Face -> Collide
+enum FEV{
+	Face(FaceId),
+	Edge(EdgeId),
+	Vertex(VertexId),
+}
+
+struct State{
+	time:Time,
+	fev:FEV,
+}
+
+enum Transition{
+	Miss,
+	NextState(State),
+	Hit(FaceId,Time),
+}
diff --git a/src/main.rs b/src/main.rs
index 1220d33..bfa5b43 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,6 +12,7 @@ mod settings;
 mod primitives;
 mod instruction;
 mod load_roblox;
+mod face_crawler;
 mod compat_worker;
 mod model_graphics;
 mod physics_worker;
diff --git a/src/sweep.rs b/src/sweep.rs
deleted file mode 100644
index 428063f..0000000
--- a/src/sweep.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-
-//something that implements body + hitbox + transform can predict collision
-impl crate::sweep::PredictCollision for Model {
-	fn predict_collision(&self,other:&Model) -> Option<crate::event::EventStruct> {
-		//math!
-		None
-	}
-}
\ No newline at end of file