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Use ol.isDef when checking booleans

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This commit is contained in:
Marc Jansen
2015-09-22 10:55:46 +02:00
committed by Tim Schaub
parent 0e4c73072f
commit 68442578ba
6 changed files with 26 additions and 19 deletions
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src/ol/interaction/dragrotateandzoominteraction.js
+4 -3
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@@ -1,6 +1,7 @@
goog.provide('ol.interaction.DragRotateAndZoom');
goog.require('goog.math.Vec2');
goog.require('ol');
goog.require('ol.ViewHint');
goog.require('ol.events.ConditionType');
goog.require('ol.events.condition');
@@ -89,17 +90,17 @@ ol.interaction.DragRotateAndZoom.handleDragEvent_ = function(mapBrowserEvent) {
var magnitude = delta.magnitude();
var view = map.getView();
map.render();
if (this.lastAngle_ !== undefined) {
if (ol.isDef(this.lastAngle_)) {
var angleDelta = theta - this.lastAngle_;
ol.interaction.Interaction.rotateWithoutConstraints(
map, view, view.getRotation() - angleDelta);
}
this.lastAngle_ = theta;
if (this.lastMagnitude_ !== undefined) {
if (ol.isDef(this.lastMagnitude_)) {
var resolution = this.lastMagnitude_ * (view.getResolution() / magnitude);
ol.interaction.Interaction.zoomWithoutConstraints(map, view, resolution);
}
if (this.lastMagnitude_ !== undefined) {
if (ol.isDef(this.lastMagnitude_)) {
this.lastScaleDelta_ = this.lastMagnitude_ / magnitude;
}
this.lastMagnitude_ = magnitude;