1 files changed, 24 insertions, 11 deletions
diff --git a/src/sim/rb_sim/mod.rs b/src/sim/rb_sim/mod.rs
index d986962..17f605e 100644
--- a/src/sim/rb_sim/mod.rs
+++ b/src/sim/rb_sim/mod.rs
@@ -129,7 +129,9 @@ impl RbSimManager {
             height: h,
         };
 
-        let collider = self.convex_hull_collider_from_marchable(&entity).build();
+        let collider = self
+            .convex_hull_collider_from_marchable(&entity, None)
+            .build();
 
         self.rb_entities.insert(id, entity);
         self.physics_manager.collider_set.insert_with_parent(
@@ -175,16 +177,22 @@ impl RbSimManager {
         }
     }
 
-    fn polyline_from_marchable(&self, marchable: &impl Marchable) -> (Vec<Vec2>, Vec<[u32; 2]>) {
+    fn polyline_from_marchable(
+        &self,
+        marchable: &impl Marchable,
+        minimum_verts: Option<u32>,
+    ) -> (Vec<Vec2>, Vec<[u32; 2]>) {
         let (w, h) = marchable.size();
         let polys = marching_squares_vertex_trace(marchable, w, h);
         let mut vertices = Vec::new();
         let mut indices = Vec::new();
 
+        let minimum_verts = minimum_verts.unwrap_or(3);
+
         for poly in polys {
             let v = vertices.len() as u32;
             let p = poly.len() as u32;
-            if p < 3 {
+            if p < minimum_verts {
                 continue;
             }
             for i in 0..p {
@@ -202,8 +210,9 @@ impl RbSimManager {
     fn polyline_collider_from_marchable(
         &self,
         marchable: &impl Marchable,
+        minimum_verts: Option<u32>,
     ) -> geometry::ColliderBuilder {
-        let (vertices, indices) = self.polyline_from_marchable(marchable);
+        let (vertices, indices) = self.polyline_from_marchable(marchable, minimum_verts);
 
         geometry::ColliderBuilder::polyline(vertices, Some(indices))
     }
@@ -211,18 +220,22 @@ impl RbSimManager {
     fn convex_hull_collider_from_marchable(
         &self,
         marchable: &impl Marchable,
+        minimum_verts: Option<u32>,
     ) -> geometry::ColliderBuilder {
-        let (vertices, indices) = self.polyline_from_marchable(marchable);
+        let (vertices, indices) = self.polyline_from_marchable(marchable, minimum_verts);
         geometry::ColliderBuilder::convex_decomposition(&vertices, &indices)
     }
 
     pub fn upsert_chunk_collider(&mut self, cx: i32, cy: i32, chunk: &Chunk) {
-        let collider = self.polyline_collider_from_marchable(chunk).translation(
-            vec2(
-                (cx as f32 + 0.5) * CHUNK_SIZE as f32,
-                (cy as f32 + 0.5) * CHUNK_SIZE as f32,
-            ) / PIXELS_TO_METRES,
-        );
+        puffin::profile_function!();
+        let collider = self
+            .polyline_collider_from_marchable(chunk, Some(20))
+            .translation(
+                vec2(
+                    (cx as f32 + 0.5) * CHUNK_SIZE as f32,
+                    (cy as f32 + 0.5) * CHUNK_SIZE as f32,
+                ) / PIXELS_TO_METRES,
+            );
 
         if let Some(handle) = self.chunk_colliders.remove(&(cx, cy)) {
             self.physics_manager.collider_set.remove(