diff --git a/src/body.rs b/src/body.rs
index 82725504..6af45db2 100644
--- a/src/body.rs
+++ b/src/body.rs
@@ -109,4 +109,11 @@ impl crate::event::EventTrait for PhysicsState {
 		collect_event(self.next_strafe_event());
 		best_event
 	}
+}
+
+impl crate::sweep::PredictCollision for Model {
+	fn predict_collision(&self,other:&Model) -> Option<crate::event::EventStruct> {
+		//math!
+		None
+	}
 }
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