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Merge pull request #2637 from fredj/kinetic-optim

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Don't compute velocity if not needed
This commit is contained in:
Frédéric Junod
2014-08-27 10:52:13 +02:00
parent 55005cfb21 5cdd96b131
commit 20131bf54a
1 changed files with 2 additions and 2 deletions
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src/ol/kinetic.js
+2 -2
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@@ -115,7 +115,7 @@ ol.Kinetic.prototype.end = function() {
ol.Kinetic.prototype.pan = function(source) { ol.Kinetic.prototype.pan = function(source) {
var decay = this.decay_; var decay = this.decay_;
var initialVelocity = this.initialVelocity_; var initialVelocity = this.initialVelocity_;
var minVelocity = this.minVelocity_; var velocity = this.minVelocity_ - initialVelocity;
var duration = this.getDuration_(); var duration = this.getDuration_();
var easingFunction = ( var easingFunction = (
/** /**
@@ -124,7 +124,7 @@ ol.Kinetic.prototype.pan = function(source) {
*/ */
function(t) { function(t) {
return initialVelocity * (Math.exp((decay * t) * duration) - 1) / return initialVelocity * (Math.exp((decay * t) * duration) - 1) /
(minVelocity - initialVelocity); velocity;
}); });
return ol.animation.pan({ return ol.animation.pan({
source: source, source: source,