From b421c38f74cb66a00335314a022ce57018a2122d Mon Sep 17 00:00:00 2001
From: liabru <liambrum@gmail.com>
Date: Mon, 31 Mar 2014 11:38:43 +0100
Subject: [PATCH] optimisation for non-rotating bodies

---
 src/body/Body.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/body/Body.js b/src/body/Body.js
index 0ab4346..4cc9d2d 100644
--- a/src/body/Body.js
+++ b/src/body/Body.js
@@ -213,8 +213,10 @@ var Body = {};
 
         // transform the body geometry
         Vertices.translate(body.vertices, body.velocity);
-        Vertices.rotate(body.vertices, body.angularVelocity, body.position);
-        Axes.rotate(body.axes, body.angularVelocity);
+        if (body.angularVelocity !== 0) {
+            Vertices.rotate(body.vertices, body.angularVelocity, body.position);
+            Axes.rotate(body.axes, body.angularVelocity);
+        }
         Bounds.update(body.bounds, body.vertices, body.velocity);
     };