From 3bae37a2d439804aee543473ef9b44f18692a67f Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Sun, 23 Aug 2026 23:47:31 -0700
Subject: cleanup

---
 src/sim/rb_manager/mod.rs    | 4 +++-
 src/sim/sim_manager/utils.rs | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/sim/rb_manager/mod.rs b/src/sim/rb_manager/mod.rs
index 36893b5..efb25f9 100644
--- a/src/sim/rb_manager/mod.rs
+++ b/src/sim/rb_manager/mod.rs
@@ -88,6 +88,8 @@ impl RbManager {
 
         let minimum_verts = minimum_verts.unwrap_or(3);
 
+        let centre_offset = (marchable.size() / 2).as_vec2() - 0.5;
+
         for poly in polys {
             let v = vertices.len() as u32;
             let p = poly.len() as u32;
@@ -95,7 +97,7 @@ impl RbManager {
                 continue;
             }
             for i in 0..p {
-                vertices.push(poly[i as usize] - (marchable.size().as_vec2() - 1.0) / 2.0);
+                vertices.push(poly[i as usize] - centre_offset);
                 indices.push([v + i, v + (i + 1) % p]);
             }
         }
diff --git a/src/sim/sim_manager/utils.rs b/src/sim/sim_manager/utils.rs
index c72981f..69a4756 100644
--- a/src/sim/sim_manager/utils.rs
+++ b/src/sim/sim_manager/utils.rs
@@ -147,6 +147,7 @@ pub fn read_back_entities_from_world(
                 // the entity was partitioned
                 // destroy the original entity
                 // correctness -- not correct! because we don't have pos without rb
+                puffin::profile_scope!("Partition entity");
                 let old_rb = sim
                     .rb_manager
                     .physics_manager
-- 
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