Don't compute velocity if not needed

2014-08-27 10:23:13 +02:00
parent 55005cfb21
commit 5cdd96b131
1 changed files with 2 additions and 2 deletions
--- 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,