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694 lines
22 KiB
JavaScript
694 lines
22 KiB
JavaScript
import Cartesian3 from "../Core/Cartesian3.js";
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import Check from "../Core/Check.js";
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import Color from "../Core/Color.js";
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import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js";
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import defaultValue from "../Core/defaultValue.js";
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import defined from "../Core/defined.js";
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import DistanceDisplayCondition from "../Core/DistanceDisplayCondition.js";
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import DistanceDisplayConditionGeometryInstanceAttribute from "../Core/DistanceDisplayConditionGeometryInstanceAttribute.js";
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import EllipsoidGeometry from "../Core/EllipsoidGeometry.js";
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import EllipsoidOutlineGeometry from "../Core/EllipsoidOutlineGeometry.js";
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import GeometryInstance from "../Core/GeometryInstance.js";
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import GeometryOffsetAttribute from "../Core/GeometryOffsetAttribute.js";
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import Iso8601 from "../Core/Iso8601.js";
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import Matrix4 from "../Core/Matrix4.js";
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import OffsetGeometryInstanceAttribute from "../Core/OffsetGeometryInstanceAttribute.js";
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import ShowGeometryInstanceAttribute from "../Core/ShowGeometryInstanceAttribute.js";
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import HeightReference from "../Scene/HeightReference.js";
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import MaterialAppearance from "../Scene/MaterialAppearance.js";
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import PerInstanceColorAppearance from "../Scene/PerInstanceColorAppearance.js";
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import Primitive from "../Scene/Primitive.js";
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import SceneMode from "../Scene/SceneMode.js";
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import ColorMaterialProperty from "./ColorMaterialProperty.js";
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import DynamicGeometryUpdater from "./DynamicGeometryUpdater.js";
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import GeometryUpdater from "./GeometryUpdater.js";
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import heightReferenceOnEntityPropertyChanged from "./heightReferenceOnEntityPropertyChanged.js";
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import MaterialProperty from "./MaterialProperty.js";
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import Property from "./Property.js";
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var defaultMaterial = new ColorMaterialProperty(Color.WHITE);
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var defaultOffset = Cartesian3.ZERO;
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var offsetScratch = new Cartesian3();
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var radiiScratch = new Cartesian3();
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var innerRadiiScratch = new Cartesian3();
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var scratchColor = new Color();
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var unitSphere = new Cartesian3(1, 1, 1);
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function EllipsoidGeometryOptions(entity) {
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this.id = entity;
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this.vertexFormat = undefined;
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this.radii = undefined;
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this.innerRadii = undefined;
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this.minimumClock = undefined;
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this.maximumClock = undefined;
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this.minimumCone = undefined;
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this.maximumCone = undefined;
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this.stackPartitions = undefined;
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this.slicePartitions = undefined;
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this.subdivisions = undefined;
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this.offsetAttribute = undefined;
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}
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/**
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* A {@link GeometryUpdater} for ellipsoids.
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* Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
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* @alias EllipsoidGeometryUpdater
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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 EllipsoidGeometryUpdater(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 EllipsoidGeometryOptions(entity),
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geometryPropertyName: "ellipsoid",
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observedPropertyNames: [
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"availability",
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"position",
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"orientation",
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"ellipsoid",
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],
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});
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this._onEntityPropertyChanged(
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entity,
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"ellipsoid",
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entity.ellipsoid,
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undefined
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);
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}
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if (defined(Object.create)) {
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EllipsoidGeometryUpdater.prototype = Object.create(GeometryUpdater.prototype);
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EllipsoidGeometryUpdater.prototype.constructor = EllipsoidGeometryUpdater;
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}
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Object.defineProperties(EllipsoidGeometryUpdater.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 EllipsoidGeometryUpdater.prototype
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* @readonly
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* @private
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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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* @param {Boolean} [skipModelMatrix=false] Whether to compute a model matrix for the geometry instance
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* @param {Matrix4} [modelMatrixResult] Used to store the result of the model matrix calculation
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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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EllipsoidGeometryUpdater.prototype.createFillGeometryInstance = function (
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time,
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skipModelMatrix,
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modelMatrixResult
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) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("time", time);
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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 color;
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var show = new ShowGeometryInstanceAttribute(
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isAvailable &&
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entity.isShowing &&
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this._showProperty.getValue(time) &&
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this._fillProperty.getValue(time)
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);
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var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(
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time
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);
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var distanceDisplayConditionAttribute = DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
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distanceDisplayCondition
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);
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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 (
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defined(this._materialProperty.color) &&
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(this._materialProperty.color.isConstant || isAvailable)
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) {
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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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color = ColorGeometryInstanceAttribute.fromColor(currentColor);
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attributes.color = color;
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}
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if (defined(this._options.offsetAttribute)) {
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attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(
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Property.getValueOrDefault(
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this._terrainOffsetProperty,
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time,
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defaultOffset,
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offsetScratch
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)
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);
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}
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return new GeometryInstance({
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id: entity,
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geometry: new EllipsoidGeometry(this._options),
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modelMatrix: skipModelMatrix
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? undefined
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: entity.computeModelMatrixForHeightReference(
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time,
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entity.ellipsoid.heightReference,
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this._options.radii.z * 0.5,
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this._scene.mapProjection.ellipsoid,
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modelMatrixResult
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),
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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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* @param {Boolean} [skipModelMatrix=false] Whether to compute a model matrix for the geometry instance
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* @param {Matrix4} [modelMatrixResult] Used to store the result of the model matrix calculation
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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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EllipsoidGeometryUpdater.prototype.createOutlineGeometryInstance = function (
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time,
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skipModelMatrix,
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modelMatrixResult
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) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("time", time);
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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(
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this._outlineColorProperty,
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time,
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Color.BLACK,
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scratchColor
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);
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var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(
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time
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);
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var attributes = {
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show: new ShowGeometryInstanceAttribute(
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isAvailable &&
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entity.isShowing &&
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this._showProperty.getValue(time) &&
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this._showOutlineProperty.getValue(time)
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),
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color: ColorGeometryInstanceAttribute.fromColor(outlineColor),
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distanceDisplayCondition: DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
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distanceDisplayCondition
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),
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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(
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Property.getValueOrDefault(
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this._terrainOffsetProperty,
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time,
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defaultOffset,
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offsetScratch
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)
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);
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}
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return new GeometryInstance({
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id: entity,
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geometry: new EllipsoidOutlineGeometry(this._options),
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modelMatrix: skipModelMatrix
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? undefined
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: entity.computeModelMatrixForHeightReference(
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time,
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entity.ellipsoid.heightReference,
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this._options.radii.z * 0.5,
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this._scene.mapProjection.ellipsoid,
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modelMatrixResult
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),
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attributes: attributes,
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});
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};
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EllipsoidGeometryUpdater.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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EllipsoidGeometryUpdater.prototype._isHidden = function (entity, ellipsoid) {
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return (
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!defined(entity.position) ||
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!defined(ellipsoid.radii) ||
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GeometryUpdater.prototype._isHidden.call(this, entity, ellipsoid)
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);
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};
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EllipsoidGeometryUpdater.prototype._isDynamic = function (entity, ellipsoid) {
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return (
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!entity.position.isConstant || //
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!Property.isConstant(entity.orientation) || //
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!ellipsoid.radii.isConstant || //
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!Property.isConstant(ellipsoid.innerRadii) || //
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!Property.isConstant(ellipsoid.stackPartitions) || //
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!Property.isConstant(ellipsoid.slicePartitions) || //
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!Property.isConstant(ellipsoid.outlineWidth) || //
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!Property.isConstant(ellipsoid.minimumClock) || //
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!Property.isConstant(ellipsoid.maximumClock) || //
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!Property.isConstant(ellipsoid.minimumCone) || //
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!Property.isConstant(ellipsoid.maximumCone) || //
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!Property.isConstant(ellipsoid.subdivisions)
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);
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};
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EllipsoidGeometryUpdater.prototype._setStaticOptions = function (
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entity,
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ellipsoid
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) {
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var heightReference = Property.getValueOrDefault(
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ellipsoid.heightReference,
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Iso8601.MINIMUM_VALUE,
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HeightReference.NONE
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);
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var options = this._options;
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options.vertexFormat =
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this._materialProperty instanceof ColorMaterialProperty
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? PerInstanceColorAppearance.VERTEX_FORMAT
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: MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat;
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options.radii = ellipsoid.radii.getValue(
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Iso8601.MINIMUM_VALUE,
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options.radii
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);
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options.innerRadii = Property.getValueOrUndefined(
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ellipsoid.innerRadii,
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options.radii
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);
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options.minimumClock = Property.getValueOrUndefined(
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ellipsoid.minimumClock,
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Iso8601.MINIMUM_VALUE
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);
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options.maximumClock = Property.getValueOrUndefined(
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ellipsoid.maximumClock,
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Iso8601.MINIMUM_VALUE
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);
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options.minimumCone = Property.getValueOrUndefined(
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ellipsoid.minimumCone,
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Iso8601.MINIMUM_VALUE
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);
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options.maximumCone = Property.getValueOrUndefined(
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ellipsoid.maximumCone,
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Iso8601.MINIMUM_VALUE
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);
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options.stackPartitions = Property.getValueOrUndefined(
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ellipsoid.stackPartitions,
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Iso8601.MINIMUM_VALUE
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);
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options.slicePartitions = Property.getValueOrUndefined(
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ellipsoid.slicePartitions,
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Iso8601.MINIMUM_VALUE
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);
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options.subdivisions = Property.getValueOrUndefined(
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ellipsoid.subdivisions,
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Iso8601.MINIMUM_VALUE
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);
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options.offsetAttribute =
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heightReference !== HeightReference.NONE
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? GeometryOffsetAttribute.ALL
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: undefined;
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};
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EllipsoidGeometryUpdater.prototype._onEntityPropertyChanged = heightReferenceOnEntityPropertyChanged;
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EllipsoidGeometryUpdater.DynamicGeometryUpdater = DynamicEllipsoidGeometryUpdater;
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/**
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* @private
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*/
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function DynamicEllipsoidGeometryUpdater(
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geometryUpdater,
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primitives,
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groundPrimitives
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) {
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DynamicGeometryUpdater.call(
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this,
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geometryUpdater,
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primitives,
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groundPrimitives
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);
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this._scene = geometryUpdater._scene;
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this._modelMatrix = new Matrix4();
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this._attributes = undefined;
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this._outlineAttributes = undefined;
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this._lastSceneMode = undefined;
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this._lastShow = undefined;
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this._lastOutlineShow = undefined;
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this._lastOutlineWidth = undefined;
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this._lastOutlineColor = undefined;
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this._lastOffset = new Cartesian3();
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this._material = {};
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}
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if (defined(Object.create)) {
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DynamicEllipsoidGeometryUpdater.prototype = Object.create(
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DynamicGeometryUpdater.prototype
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);
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DynamicEllipsoidGeometryUpdater.prototype.constructor = DynamicEllipsoidGeometryUpdater;
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}
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DynamicEllipsoidGeometryUpdater.prototype.update = function (time) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("time", time);
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//>>includeEnd('debug');
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var entity = this._entity;
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var ellipsoid = entity.ellipsoid;
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if (
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!entity.isShowing ||
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!entity.isAvailable(time) ||
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!Property.getValueOrDefault(ellipsoid.show, time, true)
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) {
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if (defined(this._primitive)) {
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this._primitive.show = false;
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}
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if (defined(this._outlinePrimitive)) {
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this._outlinePrimitive.show = false;
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}
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return;
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}
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var radii = Property.getValueOrUndefined(ellipsoid.radii, time, radiiScratch);
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var modelMatrix = defined(radii)
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? entity.computeModelMatrixForHeightReference(
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time,
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ellipsoid.heightReference,
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radii.z * 0.5,
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this._scene.mapProjection.ellipsoid,
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this._modelMatrix
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)
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: undefined;
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if (!defined(modelMatrix) || !defined(radii)) {
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if (defined(this._primitive)) {
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this._primitive.show = false;
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}
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if (defined(this._outlinePrimitive)) {
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this._outlinePrimitive.show = false;
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}
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return;
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}
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//Compute attributes and material.
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var showFill = Property.getValueOrDefault(ellipsoid.fill, time, true);
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var showOutline = Property.getValueOrDefault(ellipsoid.outline, time, false);
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var outlineColor = Property.getValueOrClonedDefault(
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ellipsoid.outlineColor,
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time,
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Color.BLACK,
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scratchColor
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);
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var material = MaterialProperty.getValue(
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time,
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defaultValue(ellipsoid.material, defaultMaterial),
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this._material
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);
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// Check properties that could trigger a primitive rebuild.
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var innerRadii = Property.getValueOrUndefined(
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ellipsoid.innerRadii,
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time,
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innerRadiiScratch
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);
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var minimumClock = Property.getValueOrUndefined(ellipsoid.minimumClock, time);
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var maximumClock = Property.getValueOrUndefined(ellipsoid.maximumClock, time);
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var minimumCone = Property.getValueOrUndefined(ellipsoid.minimumCone, time);
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var maximumCone = Property.getValueOrUndefined(ellipsoid.maximumCone, time);
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var stackPartitions = Property.getValueOrUndefined(
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ellipsoid.stackPartitions,
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time
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);
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var slicePartitions = Property.getValueOrUndefined(
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ellipsoid.slicePartitions,
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time
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);
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var subdivisions = Property.getValueOrUndefined(ellipsoid.subdivisions, time);
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var outlineWidth = Property.getValueOrDefault(
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ellipsoid.outlineWidth,
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time,
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1.0
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);
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var heightReference = Property.getValueOrDefault(
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ellipsoid.heightReference,
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time,
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HeightReference.NONE
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);
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var offsetAttribute =
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heightReference !== HeightReference.NONE
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? GeometryOffsetAttribute.ALL
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: undefined;
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|
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//In 3D we use a fast path by modifying Primitive.modelMatrix instead of regenerating the primitive every frame.
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//Also check for height reference because this method doesn't work when the height is relative to terrain.
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var sceneMode = this._scene.mode;
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var in3D =
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sceneMode === SceneMode.SCENE3D && heightReference === HeightReference.NONE;
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var options = this._options;
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var shadows = this._geometryUpdater.shadowsProperty.getValue(time);
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var distanceDisplayConditionProperty = this._geometryUpdater
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.distanceDisplayConditionProperty;
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var distanceDisplayCondition = distanceDisplayConditionProperty.getValue(
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time
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);
|
|
|
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var offset = Property.getValueOrDefault(
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this._geometryUpdater.terrainOffsetProperty,
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time,
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defaultOffset,
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offsetScratch
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);
|
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|
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//We only rebuild the primitive if something other than the radii has changed
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//For the radii, we use unit sphere and then deform it with a scale matrix.
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var rebuildPrimitives =
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!in3D ||
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this._lastSceneMode !== sceneMode ||
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!defined(this._primitive) || //
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options.stackPartitions !== stackPartitions ||
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options.slicePartitions !== slicePartitions || //
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(defined(innerRadii) &&
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!Cartesian3.equals(options.innerRadii !== innerRadii)) ||
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options.minimumClock !== minimumClock || //
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options.maximumClock !== maximumClock ||
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options.minimumCone !== minimumCone || //
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options.maximumCone !== maximumCone ||
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options.subdivisions !== subdivisions || //
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this._lastOutlineWidth !== outlineWidth ||
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options.offsetAttribute !== offsetAttribute;
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if (rebuildPrimitives) {
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var primitives = this._primitives;
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primitives.removeAndDestroy(this._primitive);
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primitives.removeAndDestroy(this._outlinePrimitive);
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this._primitive = undefined;
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this._outlinePrimitive = undefined;
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this._lastSceneMode = sceneMode;
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this._lastOutlineWidth = outlineWidth;
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options.stackPartitions = stackPartitions;
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options.slicePartitions = slicePartitions;
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options.subdivisions = subdivisions;
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options.offsetAttribute = offsetAttribute;
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options.radii = Cartesian3.clone(in3D ? unitSphere : radii, options.radii);
|
|
if (defined(innerRadii)) {
|
|
if (in3D) {
|
|
var mag = Cartesian3.magnitude(radii);
|
|
options.innerRadii = Cartesian3.fromElements(
|
|
innerRadii.x / mag,
|
|
innerRadii.y / mag,
|
|
innerRadii.z / mag,
|
|
options.innerRadii
|
|
);
|
|
} else {
|
|
options.innerRadii = Cartesian3.clone(innerRadii, options.innerRadii);
|
|
}
|
|
} else {
|
|
options.innerRadii = undefined;
|
|
}
|
|
options.minimumClock = minimumClock;
|
|
options.maximumClock = maximumClock;
|
|
options.minimumCone = minimumCone;
|
|
options.maximumCone = maximumCone;
|
|
|
|
var appearance = new MaterialAppearance({
|
|
material: material,
|
|
translucent: material.isTranslucent(),
|
|
closed: true,
|
|
});
|
|
options.vertexFormat = appearance.vertexFormat;
|
|
|
|
var fillInstance = this._geometryUpdater.createFillGeometryInstance(
|
|
time,
|
|
in3D,
|
|
this._modelMatrix
|
|
);
|
|
|
|
this._primitive = primitives.add(
|
|
new Primitive({
|
|
geometryInstances: fillInstance,
|
|
appearance: appearance,
|
|
asynchronous: false,
|
|
shadows: shadows,
|
|
})
|
|
);
|
|
|
|
var outlineInstance = this._geometryUpdater.createOutlineGeometryInstance(
|
|
time,
|
|
in3D,
|
|
this._modelMatrix
|
|
);
|
|
this._outlinePrimitive = primitives.add(
|
|
new Primitive({
|
|
geometryInstances: outlineInstance,
|
|
appearance: new PerInstanceColorAppearance({
|
|
flat: true,
|
|
translucent: outlineInstance.attributes.color.value[3] !== 255,
|
|
renderState: {
|
|
lineWidth: this._geometryUpdater._scene.clampLineWidth(
|
|
outlineWidth
|
|
),
|
|
},
|
|
}),
|
|
asynchronous: false,
|
|
shadows: shadows,
|
|
})
|
|
);
|
|
|
|
this._lastShow = showFill;
|
|
this._lastOutlineShow = showOutline;
|
|
this._lastOutlineColor = Color.clone(outlineColor, this._lastOutlineColor);
|
|
this._lastDistanceDisplayCondition = distanceDisplayCondition;
|
|
this._lastOffset = Cartesian3.clone(offset, this._lastOffset);
|
|
} else if (this._primitive.ready) {
|
|
//Update attributes only.
|
|
var primitive = this._primitive;
|
|
var outlinePrimitive = this._outlinePrimitive;
|
|
|
|
primitive.show = true;
|
|
outlinePrimitive.show = true;
|
|
primitive.appearance.material = material;
|
|
|
|
var attributes = this._attributes;
|
|
if (!defined(attributes)) {
|
|
attributes = primitive.getGeometryInstanceAttributes(entity);
|
|
this._attributes = attributes;
|
|
}
|
|
if (showFill !== this._lastShow) {
|
|
attributes.show = ShowGeometryInstanceAttribute.toValue(
|
|
showFill,
|
|
attributes.show
|
|
);
|
|
this._lastShow = showFill;
|
|
}
|
|
|
|
var outlineAttributes = this._outlineAttributes;
|
|
|
|
if (!defined(outlineAttributes)) {
|
|
outlineAttributes = outlinePrimitive.getGeometryInstanceAttributes(
|
|
entity
|
|
);
|
|
this._outlineAttributes = outlineAttributes;
|
|
}
|
|
|
|
if (showOutline !== this._lastOutlineShow) {
|
|
outlineAttributes.show = ShowGeometryInstanceAttribute.toValue(
|
|
showOutline,
|
|
outlineAttributes.show
|
|
);
|
|
this._lastOutlineShow = showOutline;
|
|
}
|
|
|
|
if (!Color.equals(outlineColor, this._lastOutlineColor)) {
|
|
outlineAttributes.color = ColorGeometryInstanceAttribute.toValue(
|
|
outlineColor,
|
|
outlineAttributes.color
|
|
);
|
|
Color.clone(outlineColor, this._lastOutlineColor);
|
|
}
|
|
|
|
if (
|
|
!DistanceDisplayCondition.equals(
|
|
distanceDisplayCondition,
|
|
this._lastDistanceDisplayCondition
|
|
)
|
|
) {
|
|
attributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(
|
|
distanceDisplayCondition,
|
|
attributes.distanceDisplayCondition
|
|
);
|
|
outlineAttributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(
|
|
distanceDisplayCondition,
|
|
outlineAttributes.distanceDisplayCondition
|
|
);
|
|
DistanceDisplayCondition.clone(
|
|
distanceDisplayCondition,
|
|
this._lastDistanceDisplayCondition
|
|
);
|
|
}
|
|
|
|
if (!Cartesian3.equals(offset, this._lastOffset)) {
|
|
attributes.offset = OffsetGeometryInstanceAttribute.toValue(
|
|
offset,
|
|
attributes.offset
|
|
);
|
|
outlineAttributes.offset = OffsetGeometryInstanceAttribute.toValue(
|
|
offset,
|
|
attributes.offset
|
|
);
|
|
Cartesian3.clone(offset, this._lastOffset);
|
|
}
|
|
}
|
|
|
|
if (in3D) {
|
|
//Since we are scaling a unit sphere, we can't let any of the values go to zero.
|
|
//Instead we clamp them to a small value. To the naked eye, this produces the same results
|
|
//that you get passing EllipsoidGeometry a radii with a zero component.
|
|
radii.x = Math.max(radii.x, 0.001);
|
|
radii.y = Math.max(radii.y, 0.001);
|
|
radii.z = Math.max(radii.z, 0.001);
|
|
|
|
modelMatrix = Matrix4.multiplyByScale(modelMatrix, radii, modelMatrix);
|
|
this._primitive.modelMatrix = modelMatrix;
|
|
this._outlinePrimitive.modelMatrix = modelMatrix;
|
|
}
|
|
};
|
|
export default EllipsoidGeometryUpdater;
|