41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
define([
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'../Core/defaultValue',
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'../Core/defined',
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'./CallbackProperty',
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'./GeometryUpdater',
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'./TerrainOffsetProperty'
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], function(
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defaultValue,
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defined,
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CallbackProperty,
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GeometryUpdater,
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TerrainOffsetProperty) {
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'use strict';
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function heightReferenceOnEntityPropertyChanged(entity, propertyName, newValue, oldValue) {
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GeometryUpdater.prototype._onEntityPropertyChanged.call(this, entity, propertyName, newValue, oldValue);
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if (this._observedPropertyNames.indexOf(propertyName) === -1) {
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return;
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}
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var geometry = this._entity[this._geometryPropertyName];
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if (!defined(geometry)) {
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return;
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}
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if (defined(this._terrainOffsetProperty)) {
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this._terrainOffsetProperty.destroy();
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this._terrainOffsetProperty = undefined;
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}
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var heightReferenceProperty = geometry.heightReference;
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if (defined(heightReferenceProperty)) {
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var centerPosition = new CallbackProperty(this._computeCenter.bind(this), !this._dynamic);
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this._terrainOffsetProperty = new TerrainOffsetProperty(this._scene, centerPosition, heightReferenceProperty);
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}
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}
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return heightReferenceOnEntityPropertyChanged;
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});
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