248 lines
10 KiB
JavaScript
248 lines
10 KiB
JavaScript
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define([
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'../Core/BoxGeometry',
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'../Core/BoxOutlineGeometry',
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'../Core/Cartesian3',
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'../Core/Check',
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'../Core/Color',
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'../Core/ColorGeometryInstanceAttribute',
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'../Core/defined',
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'../Core/defineProperties',
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'../Core/DeveloperError',
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'../Core/DistanceDisplayConditionGeometryInstanceAttribute',
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'../Core/GeometryInstance',
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'../Core/GeometryOffsetAttribute',
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'../Core/Iso8601',
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'../Core/OffsetGeometryInstanceAttribute',
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'../Core/ShowGeometryInstanceAttribute',
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'../Scene/HeightReference',
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'../Scene/MaterialAppearance',
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'../Scene/PerInstanceColorAppearance',
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'./heightReferenceOnEntityPropertyChanged',
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'./ColorMaterialProperty',
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'./DynamicGeometryUpdater',
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'./GeometryUpdater',
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'./Property'
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], function(
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BoxGeometry,
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BoxOutlineGeometry,
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Cartesian3,
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Check,
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Color,
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ColorGeometryInstanceAttribute,
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defined,
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defineProperties,
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DeveloperError,
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DistanceDisplayConditionGeometryInstanceAttribute,
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GeometryInstance,
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GeometryOffsetAttribute,
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Iso8601,
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OffsetGeometryInstanceAttribute,
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ShowGeometryInstanceAttribute,
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HeightReference,
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MaterialAppearance,
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PerInstanceColorAppearance,
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heightReferenceOnEntityPropertyChanged,
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ColorMaterialProperty,
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DynamicGeometryUpdater,
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GeometryUpdater,
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Property) {
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'use strict';
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var defaultOffset = Cartesian3.ZERO;
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var offsetScratch = new Cartesian3();
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var positionScratch = new Cartesian3();
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var scratchColor = new Color();
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function BoxGeometryOptions(entity) {
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this.id = entity;
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this.vertexFormat = undefined;
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this.dimensions = undefined;
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this.offsetAttribute = undefined;
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}
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/**
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* A {@link GeometryUpdater} for boxes.
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* Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
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* @alias BoxGeometryUpdater
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* @constructor
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*
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* @param {Entity} entity The entity containing the geometry to be visualized.
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* @param {Scene} scene The scene where visualization is taking place.
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*/
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function BoxGeometryUpdater(entity, scene) {
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GeometryUpdater.call(this, {
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entity : entity,
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scene : scene,
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geometryOptions : new BoxGeometryOptions(entity),
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geometryPropertyName : 'box',
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observedPropertyNames : ['availability', 'position', 'orientation', 'box']
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});
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this._onEntityPropertyChanged(entity, 'box', entity.box, undefined);
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}
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if (defined(Object.create)) {
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BoxGeometryUpdater.prototype = Object.create(GeometryUpdater.prototype);
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BoxGeometryUpdater.prototype.constructor = BoxGeometryUpdater;
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}
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defineProperties(BoxGeometryUpdater.prototype, {
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/**
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* Gets the terrain offset property
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* @type {TerrainOffsetProperty}
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* @memberof BoxGeometryUpdater.prototype
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* @readonly
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*/
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terrainOffsetProperty: {
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get: function() {
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return this._terrainOffsetProperty;
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}
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}
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});
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/**
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* Creates the geometry instance which represents the fill of the geometry.
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*
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* @param {JulianDate} time The time to use when retrieving initial attribute values.
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* @returns {GeometryInstance} The geometry instance representing the filled portion of the geometry.
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*
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* @exception {DeveloperError} This instance does not represent a filled geometry.
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*/
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BoxGeometryUpdater.prototype.createFillGeometryInstance = function(time) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined('time', time);
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if (!this._fillEnabled) {
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throw new DeveloperError('This instance does not represent a filled geometry.');
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}
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//>>includeEnd('debug');
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var entity = this._entity;
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var isAvailable = entity.isAvailable(time);
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var show = new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._fillProperty.getValue(time));
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var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(time);
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var distanceDisplayConditionAttribute = DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition);
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var attributes = {
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show : show,
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distanceDisplayCondition : distanceDisplayConditionAttribute,
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color : undefined,
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offset: undefined
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};
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if (this._materialProperty instanceof ColorMaterialProperty) {
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var currentColor;
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if (defined(this._materialProperty.color) && (this._materialProperty.color.isConstant || isAvailable)) {
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currentColor = this._materialProperty.color.getValue(time, scratchColor);
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}
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if (!defined(currentColor)) {
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currentColor = Color.WHITE;
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}
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attributes.color = ColorGeometryInstanceAttribute.fromColor(currentColor);
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}
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if (defined(this._options.offsetAttribute)) {
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attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch));
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}
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return new GeometryInstance({
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id : entity,
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geometry : BoxGeometry.fromDimensions(this._options),
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modelMatrix : entity.computeModelMatrixForHeightReference(time, entity.box.heightReference, this._options.dimensions.z * 0.5, this._scene.mapProjection.ellipsoid),
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attributes : attributes
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});
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};
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/**
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* Creates the geometry instance which represents the outline of the geometry.
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*
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* @param {JulianDate} time The time to use when retrieving initial attribute values.
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* @returns {GeometryInstance} The geometry instance representing the outline portion of the geometry.
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*
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* @exception {DeveloperError} This instance does not represent an outlined geometry.
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*/
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BoxGeometryUpdater.prototype.createOutlineGeometryInstance = function(time) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined('time', time);
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if (!this._outlineEnabled) {
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throw new DeveloperError('This instance does not represent an outlined geometry.');
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}
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//>>includeEnd('debug');
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var entity = this._entity;
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var isAvailable = entity.isAvailable(time);
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var outlineColor = Property.getValueOrDefault(this._outlineColorProperty, time, Color.BLACK, scratchColor);
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var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(time);
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var attributes = {
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show : new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._showOutlineProperty.getValue(time)),
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color : ColorGeometryInstanceAttribute.fromColor(outlineColor),
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distanceDisplayCondition : DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition),
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offset : undefined
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};
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if (defined(this._options.offsetAttribute)) {
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attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch));
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}
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return new GeometryInstance({
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id : entity,
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geometry : BoxOutlineGeometry.fromDimensions(this._options),
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modelMatrix : entity.computeModelMatrixForHeightReference(time, entity.box.heightReference, this._options.dimensions.z * 0.5, this._scene.mapProjection.ellipsoid),
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attributes : attributes
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});
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};
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BoxGeometryUpdater.prototype._computeCenter = function(time, result) {
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return Property.getValueOrUndefined(this._entity.position, time, result);
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};
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BoxGeometryUpdater.prototype._isHidden = function(entity, box) {
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return !defined(box.dimensions) || !defined(entity.position) || GeometryUpdater.prototype._isHidden.call(this, entity, box);
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};
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BoxGeometryUpdater.prototype._isDynamic = function(entity, box) {
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return !entity.position.isConstant || !Property.isConstant(entity.orientation) || !box.dimensions.isConstant || !Property.isConstant(box.outlineWidth);
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};
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BoxGeometryUpdater.prototype._setStaticOptions = function(entity, box) {
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var heightReference = Property.getValueOrDefault(box.heightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE);
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var options = this._options;
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options.vertexFormat = this._materialProperty instanceof ColorMaterialProperty ? PerInstanceColorAppearance.VERTEX_FORMAT : MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat;
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options.dimensions = box.dimensions.getValue(Iso8601.MINIMUM_VALUE, options.dimensions);
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options.offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : undefined;
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};
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BoxGeometryUpdater.prototype._onEntityPropertyChanged = heightReferenceOnEntityPropertyChanged;
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BoxGeometryUpdater.DynamicGeometryUpdater = DynamicBoxGeometryUpdater;
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/**
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* @private
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*/
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function DynamicBoxGeometryUpdater(geometryUpdater, primitives, groundPrimitives) {
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DynamicGeometryUpdater.call(this, geometryUpdater, primitives, groundPrimitives);
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}
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if (defined(Object.create)) {
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DynamicBoxGeometryUpdater.prototype = Object.create(DynamicGeometryUpdater.prototype);
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DynamicBoxGeometryUpdater.prototype.constructor = DynamicBoxGeometryUpdater;
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}
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DynamicBoxGeometryUpdater.prototype._isHidden = function(entity, box, time) {
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var position = Property.getValueOrUndefined(entity.position, time, positionScratch);
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var dimensions = this._options.dimensions;
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return !defined(position) || !defined(dimensions) || DynamicGeometryUpdater.prototype._isHidden.call(this, entity, box, time);
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};
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DynamicBoxGeometryUpdater.prototype._setOptions = function(entity, box, time) {
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var heightReference = Property.getValueOrDefault(box.heightReference, time, HeightReference.NONE);
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var options = this._options;
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options.dimensions = Property.getValueOrUndefined(box.dimensions, time, options.dimensions);
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options.offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : undefined;
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};
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return BoxGeometryUpdater;
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});
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