290 lines
13 KiB
JavaScript
290 lines
13 KiB
JavaScript
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define([
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'../Core/ApproximateTerrainHeights',
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'../Core/Cartesian3',
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'../Core/Cartographic',
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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/DeveloperError',
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'../Core/DistanceDisplayConditionGeometryInstanceAttribute',
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'../Core/Ellipsoid',
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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/Rectangle',
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'../Core/RectangleGeometry',
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'../Core/RectangleOutlineGeometry',
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'../Core/ShowGeometryInstanceAttribute',
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'../Scene/GroundPrimitive',
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'../Scene/HeightReference',
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'../Scene/MaterialAppearance',
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'../Scene/PerInstanceColorAppearance',
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'./ColorMaterialProperty',
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'./DynamicGeometryUpdater',
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'./GeometryUpdater',
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'./GroundGeometryUpdater',
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'./Property'
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], function(
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ApproximateTerrainHeights,
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Cartesian3,
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Cartographic,
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Check,
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Color,
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ColorGeometryInstanceAttribute,
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defined,
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DeveloperError,
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DistanceDisplayConditionGeometryInstanceAttribute,
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Ellipsoid,
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GeometryInstance,
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GeometryOffsetAttribute,
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Iso8601,
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OffsetGeometryInstanceAttribute,
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Rectangle,
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RectangleGeometry,
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RectangleOutlineGeometry,
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ShowGeometryInstanceAttribute,
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GroundPrimitive,
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HeightReference,
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MaterialAppearance,
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PerInstanceColorAppearance,
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ColorMaterialProperty,
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DynamicGeometryUpdater,
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GeometryUpdater,
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GroundGeometryUpdater,
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Property) {
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'use strict';
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var scratchColor = new Color();
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var defaultOffset = Cartesian3.ZERO;
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var offsetScratch = new Cartesian3();
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var scratchRectangle = new Rectangle();
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var scratchCenterRect = new Rectangle();
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var scratchCarto = new Cartographic();
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function RectangleGeometryOptions(entity) {
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this.id = entity;
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this.vertexFormat = undefined;
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this.rectangle = undefined;
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this.height = undefined;
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this.extrudedHeight = undefined;
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this.granularity = undefined;
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this.stRotation = undefined;
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this.rotation = undefined;
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this.offsetAttribute = undefined;
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}
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/**
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* A {@link GeometryUpdater} for rectangles.
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* Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
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* @alias RectangleGeometryUpdater
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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 RectangleGeometryUpdater(entity, scene) {
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GroundGeometryUpdater.call(this, {
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entity : entity,
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scene : scene,
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geometryOptions : new RectangleGeometryOptions(entity),
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geometryPropertyName : 'rectangle',
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observedPropertyNames : ['availability', 'rectangle']
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});
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this._onEntityPropertyChanged(entity, 'rectangle', entity.rectangle, undefined);
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}
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if (defined(Object.create)) {
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RectangleGeometryUpdater.prototype = Object.create(GroundGeometryUpdater.prototype);
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RectangleGeometryUpdater.prototype.constructor = RectangleGeometryUpdater;
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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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RectangleGeometryUpdater.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 attributes = {
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show : new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._fillProperty.getValue(time)),
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distanceDisplayCondition : DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(this._distanceDisplayConditionProperty.getValue(time)),
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offset : undefined,
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color : 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 : new RectangleGeometry(this._options),
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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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RectangleGeometryUpdater.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 : new RectangleOutlineGeometry(this._options),
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attributes : attributes
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});
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};
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RectangleGeometryUpdater.prototype._computeCenter = function(time, result) {
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var rect = Property.getValueOrUndefined(this._entity.rectangle.coordinates, time, scratchCenterRect);
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if (!defined(rect)) {
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return;
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}
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var center = Rectangle.center(rect, scratchCarto);
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return Cartographic.toCartesian(center, Ellipsoid.WGS84, result);
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};
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RectangleGeometryUpdater.prototype._isHidden = function(entity, rectangle) {
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return !defined(rectangle.coordinates) || GeometryUpdater.prototype._isHidden.call(this, entity, rectangle);
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};
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RectangleGeometryUpdater.prototype._isDynamic = function(entity, rectangle) {
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return !rectangle.coordinates.isConstant || //
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!Property.isConstant(rectangle.height) || //
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!Property.isConstant(rectangle.extrudedHeight) || //
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!Property.isConstant(rectangle.granularity) || //
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!Property.isConstant(rectangle.stRotation) || //
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!Property.isConstant(rectangle.rotation) || //
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!Property.isConstant(rectangle.outlineWidth) || //
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!Property.isConstant(rectangle.zIndex) || //
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(this._onTerrain && !Property.isConstant(this._materialProperty));
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};
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RectangleGeometryUpdater.prototype._setStaticOptions = function(entity, rectangle) {
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var isColorMaterial = this._materialProperty instanceof ColorMaterialProperty;
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var heightValue = Property.getValueOrUndefined(rectangle.height, Iso8601.MINIMUM_VALUE);
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var heightReferenceValue = Property.getValueOrDefault(rectangle.heightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE);
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var extrudedHeightValue = Property.getValueOrUndefined(rectangle.extrudedHeight, Iso8601.MINIMUM_VALUE);
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var extrudedHeightReferenceValue = Property.getValueOrDefault(rectangle.extrudedHeightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE);
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if (defined(extrudedHeightValue) && !defined(heightValue)) {
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heightValue = 0;
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}
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var options = this._options;
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options.vertexFormat = isColorMaterial ? PerInstanceColorAppearance.VERTEX_FORMAT : MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat;
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options.rectangle = rectangle.coordinates.getValue(Iso8601.MINIMUM_VALUE, options.rectangle);
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options.granularity = Property.getValueOrUndefined(rectangle.granularity, Iso8601.MINIMUM_VALUE);
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options.stRotation = Property.getValueOrUndefined(rectangle.stRotation, Iso8601.MINIMUM_VALUE);
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options.rotation = Property.getValueOrUndefined(rectangle.rotation, Iso8601.MINIMUM_VALUE);
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options.offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(heightValue, heightReferenceValue, extrudedHeightValue, extrudedHeightReferenceValue);
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options.height = GroundGeometryUpdater.getGeometryHeight(heightValue, heightReferenceValue);
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extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(extrudedHeightValue, extrudedHeightReferenceValue);
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if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) {
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extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(RectangleGeometry.computeRectangle(options, scratchRectangle)).minimumTerrainHeight;
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}
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options.extrudedHeight = extrudedHeightValue;
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};
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RectangleGeometryUpdater.DynamicGeometryUpdater = DynamicRectangleGeometryUpdater;
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/**
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* @private
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*/
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function DynamicRectangleGeometryUpdater(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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DynamicRectangleGeometryUpdater.prototype = Object.create(DynamicGeometryUpdater.prototype);
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DynamicRectangleGeometryUpdater.prototype.constructor = DynamicRectangleGeometryUpdater;
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}
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DynamicRectangleGeometryUpdater.prototype._isHidden = function(entity, rectangle, time) {
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return !defined(this._options.rectangle) || DynamicGeometryUpdater.prototype._isHidden.call(this, entity, rectangle, time);
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};
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DynamicRectangleGeometryUpdater.prototype._setOptions = function(entity, rectangle, time) {
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var options = this._options;
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var heightValue = Property.getValueOrUndefined(rectangle.height, time);
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var heightReferenceValue = Property.getValueOrDefault(rectangle.heightReference, time, HeightReference.NONE);
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var extrudedHeightValue = Property.getValueOrUndefined(rectangle.extrudedHeight, time);
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var extrudedHeightReferenceValue = Property.getValueOrDefault(rectangle.extrudedHeightReference, time, HeightReference.NONE);
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if (defined(extrudedHeightValue) && !defined(heightValue)) {
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heightValue = 0;
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}
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options.rectangle = Property.getValueOrUndefined(rectangle.coordinates, time, options.rectangle);
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options.granularity = Property.getValueOrUndefined(rectangle.granularity, time);
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options.stRotation = Property.getValueOrUndefined(rectangle.stRotation, time);
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options.rotation = Property.getValueOrUndefined(rectangle.rotation, time);
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options.offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(heightValue, heightReferenceValue, extrudedHeightValue, extrudedHeightReferenceValue);
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options.height = GroundGeometryUpdater.getGeometryHeight(heightValue, heightReferenceValue);
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extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(extrudedHeightValue, extrudedHeightReferenceValue);
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if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) {
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extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(RectangleGeometry.computeRectangle(options, scratchRectangle)).minimumTerrainHeight;
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}
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options.extrudedHeight = extrudedHeightValue;
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};
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return RectangleGeometryUpdater;
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});
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