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 : ['availability', 'position', 'orientation', 'ellipsoid']
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});
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this._onEntityPropertyChanged(entity, 'ellipsoid', entity.ellipsoid, undefined);
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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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*/
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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(time, skipModelMatrix, modelMatrixResult) {
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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(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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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(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 : new EllipsoidGeometry(this._options),
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modelMatrix : skipModelMatrix ? undefined : entity.computeModelMatrixForHeightReference(time, entity.ellipsoid.heightReference, this._options.radii.z * 0.5, this._scene.mapProjection.ellipsoid, modelMatrixResult),
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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(time, skipModelMatrix, modelMatrixResult) {
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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(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 : new EllipsoidOutlineGeometry(this._options),
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modelMatrix : skipModelMatrix ? undefined : entity.computeModelMatrixForHeightReference(time, entity.ellipsoid.heightReference, this._options.radii.z * 0.5, this._scene.mapProjection.ellipsoid, modelMatrixResult),
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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 !defined(entity.position) || !defined(ellipsoid.radii) || GeometryUpdater.prototype._isHidden.call(this, entity, ellipsoid);
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};
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EllipsoidGeometryUpdater.prototype._isDynamic = function(entity, ellipsoid) {
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return !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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EllipsoidGeometryUpdater.prototype._setStaticOptions = function(entity, ellipsoid) {
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var heightReference = Property.getValueOrDefault(ellipsoid.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.radii = ellipsoid.radii.getValue(Iso8601.MINIMUM_VALUE, options.radii);
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options.innerRadii = Property.getValueOrUndefined(ellipsoid.innerRadii, options.radii);
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options.minimumClock = Property.getValueOrUndefined(ellipsoid.minimumClock, Iso8601.MINIMUM_VALUE);
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options.maximumClock = Property.getValueOrUndefined(ellipsoid.maximumClock, Iso8601.MINIMUM_VALUE);
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options.minimumCone = Property.getValueOrUndefined(ellipsoid.minimumCone, Iso8601.MINIMUM_VALUE);
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options.maximumCone = Property.getValueOrUndefined(ellipsoid.maximumCone, Iso8601.MINIMUM_VALUE);
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options.stackPartitions = Property.getValueOrUndefined(ellipsoid.stackPartitions, Iso8601.MINIMUM_VALUE);
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options.slicePartitions = Property.getValueOrUndefined(ellipsoid.slicePartitions, Iso8601.MINIMUM_VALUE);
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options.subdivisions = Property.getValueOrUndefined(ellipsoid.subdivisions, Iso8601.MINIMUM_VALUE);
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options.offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : 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(geometryUpdater, primitives, groundPrimitives) {
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DynamicGeometryUpdater.call(this, geometryUpdater, primitives, groundPrimitives);
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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(DynamicGeometryUpdater.prototype);
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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 (!entity.isShowing || !entity.isAvailable(time) || !Property.getValueOrDefault(ellipsoid.show, time, true)) {
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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) ? entity.computeModelMatrixForHeightReference(time, ellipsoid.heightReference, radii.z * 0.5, this._scene.mapProjection.ellipsoid, this._modelMatrix) : 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(ellipsoid.outlineColor, time, Color.BLACK, scratchColor);
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var material = MaterialProperty.getValue(time, defaultValue(ellipsoid.material, defaultMaterial), this._material);
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// Check properties that could trigger a primitive rebuild.
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var innerRadii = Property.getValueOrUndefined(ellipsoid.innerRadii, time, innerRadiiScratch);
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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(ellipsoid.stackPartitions, time);
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var slicePartitions = Property.getValueOrUndefined(ellipsoid.slicePartitions, time);
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var subdivisions = Property.getValueOrUndefined(ellipsoid.subdivisions, time);
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var outlineWidth = Property.getValueOrDefault(ellipsoid.outlineWidth, time, 1.0);
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var heightReference = Property.getValueOrDefault(ellipsoid.heightReference, time, HeightReference.NONE);
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var offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : undefined;
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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 = 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.distanceDisplayConditionProperty;
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var distanceDisplayCondition = distanceDisplayConditionProperty.getValue(time);
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var offset = Property.getValueOrDefault(this._geometryUpdater.terrainOffsetProperty, time, defaultOffset, offsetScratch);
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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 = !in3D || this._lastSceneMode !== sceneMode || !defined(this._primitive) || //
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options.stackPartitions !== stackPartitions || options.slicePartitions !== slicePartitions || //
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defined(innerRadii) && !Cartesian3.equals(options.innerRadii !== innerRadii) || options.minimumClock !== minimumClock || //
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options.maximumClock !== maximumClock || options.minimumCone !== minimumCone || //
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options.maximumCone !== maximumCone || options.subdivisions !== subdivisions || //
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this._lastOutlineWidth !== outlineWidth || 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);
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if (defined(innerRadii)) {
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if (in3D) {
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var mag = Cartesian3.magnitude(radii);
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options.innerRadii = Cartesian3.fromElements(innerRadii.x / mag, innerRadii.y / mag, innerRadii.z / mag, options.innerRadii);
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} else {
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options.innerRadii = Cartesian3.clone(innerRadii, options.innerRadii);
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}
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} else {
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options.innerRadii = undefined;
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}
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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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var appearance = new MaterialAppearance({
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material : material,
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translucent : material.isTranslucent(),
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closed : true
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});
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options.vertexFormat = appearance.vertexFormat;
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var fillInstance = this._geometryUpdater.createFillGeometryInstance(time, in3D, this._modelMatrix);
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this._primitive = primitives.add(new Primitive({
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geometryInstances : fillInstance,
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appearance : appearance,
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asynchronous : false,
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shadows : shadows
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}));
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var outlineInstance = this._geometryUpdater.createOutlineGeometryInstance(time, in3D, this._modelMatrix);
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this._outlinePrimitive = primitives.add(new Primitive({
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geometryInstances : outlineInstance,
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appearance : new PerInstanceColorAppearance({
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flat : true,
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translucent : outlineInstance.attributes.color.value[3] !== 255,
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renderState : {
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lineWidth : this._geometryUpdater._scene.clampLineWidth(outlineWidth)
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}
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}),
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asynchronous : false,
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shadows : shadows
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}));
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this._lastShow = showFill;
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this._lastOutlineShow = showOutline;
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this._lastOutlineColor = Color.clone(outlineColor, this._lastOutlineColor);
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this._lastDistanceDisplayCondition = distanceDisplayCondition;
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this._lastOffset = Cartesian3.clone(offset, this._lastOffset);
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} else if (this._primitive.ready) {
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//Update attributes only.
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var primitive = this._primitive;
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var outlinePrimitive = this._outlinePrimitive;
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primitive.show = true;
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outlinePrimitive.show = true;
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primitive.appearance.material = material;
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var attributes = this._attributes;
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if (!defined(attributes)) {
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attributes = primitive.getGeometryInstanceAttributes(entity);
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this._attributes = attributes;
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}
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if (showFill !== this._lastShow) {
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attributes.show = ShowGeometryInstanceAttribute.toValue(showFill, attributes.show);
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this._lastShow = showFill;
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}
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var outlineAttributes = this._outlineAttributes;
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if (!defined(outlineAttributes)) {
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outlineAttributes = outlinePrimitive.getGeometryInstanceAttributes(entity);
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this._outlineAttributes = outlineAttributes;
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}
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if (showOutline !== this._lastOutlineShow) {
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outlineAttributes.show = ShowGeometryInstanceAttribute.toValue(showOutline, outlineAttributes.show);
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this._lastOutlineShow = showOutline;
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}
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if (!Color.equals(outlineColor, this._lastOutlineColor)) {
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outlineAttributes.color = ColorGeometryInstanceAttribute.toValue(outlineColor, outlineAttributes.color);
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Color.clone(outlineColor, this._lastOutlineColor);
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}
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if (!DistanceDisplayCondition.equals(distanceDisplayCondition, this._lastDistanceDisplayCondition)) {
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attributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(distanceDisplayCondition, attributes.distanceDisplayCondition);
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outlineAttributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(distanceDisplayCondition, outlineAttributes.distanceDisplayCondition);
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DistanceDisplayCondition.clone(distanceDisplayCondition, this._lastDistanceDisplayCondition);
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}
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if (!Cartesian3.equals(offset, this._lastOffset)) {
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attributes.offset = OffsetGeometryInstanceAttribute.toValue(offset, attributes.offset);
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outlineAttributes.offset = OffsetGeometryInstanceAttribute.toValue(offset, attributes.offset);
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Cartesian3.clone(offset, this._lastOffset);
|
}
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}
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if (in3D) {
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//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;
|
}
|
};
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export default EllipsoidGeometryUpdater;
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