From e7e196d9f949a03ef997f0adc629344c3696b1ff Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Mon, 16 Sep 2024 21:45:14 +0700
Subject: Improve capacity handling for `ColliderSet`, `RigidBodySet`. (#726)

These allow an application to reduce the cost of reallocation when
they know that a large number of colliders or rigid bodies will
be created.
---
 src/dynamics/rigid_body_set.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/dynamics')

diff --git a/src/dynamics/rigid_body_set.rs b/src/dynamics/rigid_body_set.rs
index 2ef91be..3145300 100644
--- a/src/dynamics/rigid_body_set.rs
+++ b/src/dynamics/rigid_body_set.rs
@@ -43,6 +43,14 @@ impl RigidBodySet {
         }
     }
 
+    /// Create a new set of rigid bodies, with an initial capacity.
+    pub fn with_capacity(capacity: usize) -> Self {
+        RigidBodySet {
+            bodies: Arena::with_capacity(capacity),
+            modified_bodies: Vec::with_capacity(capacity),
+        }
+    }
+
     pub(crate) fn take_modified(&mut self) -> Vec<RigidBodyHandle> {
         std::mem::take(&mut self.modified_bodies)
     }
-- 
cgit