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Use view.getRotation and view.getResolution instead of view.getState

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view.getState calls 4 functions and creates an object and an array.
It's more efficient to use view.getRotation and view.getResolution.
This commit is contained in:
Frederic Junod
2015-08-26 12:46:36 +02:00
parent 15ef7eec85
commit c1575e810b
2 changed files with 6 additions and 9 deletions
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src/ol/interaction/dragrotateandzoominteraction.js
+4 -6
View File
@@ -88,16 +88,15 @@ ol.interaction.DragRotateAndZoom.handleDragEvent_ = function(mapBrowserEvent) {
var theta = Math.atan2(delta.y, delta.x);
var magnitude = delta.magnitude();
var view = map.getView();
var viewState = view.getState();
map.render();
if (goog.isDef(this.lastAngle_)) {
var angleDelta = theta - this.lastAngle_;
ol.interaction.Interaction.rotateWithoutConstraints(
map, view, viewState.rotation - angleDelta);
map, view, view.getRotation() - angleDelta);
}
this.lastAngle_ = theta;
if (goog.isDef(this.lastMagnitude_)) {
var resolution = this.lastMagnitude_ * (viewState.resolution / magnitude);
var resolution = this.lastMagnitude_ * (view.getResolution() / magnitude);
ol.interaction.Interaction.zoomWithoutConstraints(map, view, resolution);
}
if (goog.isDef(this.lastMagnitude_)) {
@@ -121,10 +120,9 @@ ol.interaction.DragRotateAndZoom.handleUpEvent_ = function(mapBrowserEvent) {
var map = mapBrowserEvent.map;
var view = map.getView();
view.setHint(ol.ViewHint.INTERACTING, -1);
var viewState = view.getState();
var direction = this.lastScaleDelta_ - 1;
ol.interaction.Interaction.rotate(map, view, viewState.rotation);
ol.interaction.Interaction.zoom(map, view, viewState.resolution,
ol.interaction.Interaction.rotate(map, view, view.getRotation());
ol.interaction.Interaction.zoom(map, view, view.getResolution(),
undefined, this.duration_, direction);
this.lastScaleDelta_ = 0;
return false;