diff --git a/src/sweep.rs b/src/sweep.rs
new file mode 100644
index 0000000..428063f
--- /dev/null
+++ b/src/sweep.rs
@@ -0,0 +1,8 @@
+
+//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