From 5cdd96b131baf654e55b8e9059d9e1a415dd85f5 Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Wed, 27 Aug 2014 10:23:13 +0200
Subject: [PATCH] Don't compute velocity if not needed

---
 src/ol/kinetic.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ol/kinetic.js b/src/ol/kinetic.js
index a6d9b54d67..c4cf3b99c2 100644
--- a/src/ol/kinetic.js
+++ b/src/ol/kinetic.js
@@ -115,7 +115,7 @@ ol.Kinetic.prototype.end = function() {
 ol.Kinetic.prototype.pan = function(source) {
   var decay = this.decay_;
   var initialVelocity = this.initialVelocity_;
-  var minVelocity = this.minVelocity_;
+  var velocity = this.minVelocity_ - initialVelocity;
   var duration = this.getDuration_();
   var easingFunction = (
       /**
@@ -124,7 +124,7 @@ ol.Kinetic.prototype.pan = function(source) {
        */
       function(t) {
         return initialVelocity * (Math.exp((decay * t) * duration) - 1) /
-            (minVelocity - initialVelocity);
+            velocity;
       });
   return ol.animation.pan({
     source: source,