From 73f8a71bbddced392650d259eb42b74c1ff1ab1f Mon Sep 17 00:00:00 2001
From: Nicholas Kinsey <pyro@feisty.co>
Date: Sat, 24 Sep 2011 15:42:07 +1000
Subject: [PATCH] Optimising THREE.CollisionSystem::merge

---
 src/extras/physics/Collisions.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/extras/physics/Collisions.js b/src/extras/physics/Collisions.js
index 4d93232d..e54dc143 100644
--- a/src/extras/physics/Collisions.js
+++ b/src/extras/physics/Collisions.js
@@ -52,8 +52,8 @@ THREE.Collisions = new THREE.CollisionSystem();
 
 THREE.CollisionSystem.prototype.merge = function( collisionSystem ) {
 
-	this.colliders = this.colliders.concat( collisionSystem.colliders );
-	this.hits = this.hits.concat( collisionSystem.hits );
+	Array.prototype.push.apply( this.colliders, collisionSystem.colliders );
+	Array.prototype.push.apply( this.hits, collisionSystem.hits );
 
 };