From b533cad031919a0731c2ea519443317ef0d92055 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 7 Oct 2013 15:47:16 +0200
Subject: [PATCH] Only install animations if duration > 0

---
 src/ol/interaction/interaction.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ol/interaction/interaction.js b/src/ol/interaction/interaction.js
index 99978dc5a7..ffb2e7bf70 100644
--- a/src/ol/interaction/interaction.js
+++ b/src/ol/interaction/interaction.js
@@ -35,7 +35,7 @@ ol.interaction.Interaction.pan = function(
     map, view, delta, opt_duration) {
   var currentCenter = view.getCenter();
   if (goog.isDef(currentCenter)) {
-    if (goog.isDef(opt_duration)) {
+    if (goog.isDef(opt_duration) && opt_duration > 0) {
       map.beforeRender(ol.animation.pan({
         source: currentCenter,
         duration: opt_duration,
@@ -77,7 +77,7 @@ ol.interaction.Interaction.rotateWithoutConstraints =
     var currentRotation = view.getRotation();
     var currentCenter = view.getCenter();
     if (goog.isDef(currentRotation) && goog.isDef(currentCenter) &&
-        goog.isDef(opt_duration)) {
+        goog.isDef(opt_duration) && opt_duration > 0) {
       map.beforeRender(ol.animation.rotate({
         rotation: currentRotation,
         duration: opt_duration,
@@ -156,7 +156,7 @@ ol.interaction.Interaction.zoomWithoutConstraints =
     var currentResolution = view.getResolution();
     var currentCenter = view.getCenter();
     if (goog.isDef(currentResolution) && goog.isDef(currentCenter) &&
-        goog.isDef(opt_duration)) {
+        goog.isDef(opt_duration) && opt_duration > 0) {
       map.beforeRender(ol.animation.zoom({
         resolution: currentResolution,
         duration: opt_duration,