1 files changed, 3 insertions, 1 deletions
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]);
             }
         }