Fix edge case

1 files changed, 4 insertions, 0 deletions

diff --git a/src/geometry/broad_phase_multi_sap.rs b/src/geometry/broad_phase_multi_sap.rs
index 84e05d9..bb30e14 100644
--- a/src/geometry/broad_phase_multi_sap.rs
+++ b/src/geometry/broad_phase_multi_sap.rs
@@ -377,6 +377,10 @@ impl SAPRegion {
             }
             self.axii[0].batch_insert(0, &self.to_insert, proxies, Some(reporting));
             self.to_insert.clear();
+
+            // In the rare event that all proxies leave this region in the next step, we need an
+            // update to remove them.
+            self.update_count = 1;
         }
     }
 }