You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
753 lines
24 KiB
JavaScript
753 lines
24 KiB
JavaScript
import Cartesian3 from "../Core/Cartesian3.js";
|
|
import Cartographic from "../Core/Cartographic.js";
|
|
import Check from "../Core/Check.js";
|
|
import createGuid from "../Core/createGuid.js";
|
|
import defaultValue from "../Core/defaultValue.js";
|
|
import defined from "../Core/defined.js";
|
|
import DeveloperError from "../Core/DeveloperError.js";
|
|
import Event from "../Core/Event.js";
|
|
import CesiumMath from "../Core/Math.js";
|
|
import Matrix3 from "../Core/Matrix3.js";
|
|
import Matrix4 from "../Core/Matrix4.js";
|
|
import Quaternion from "../Core/Quaternion.js";
|
|
import Transforms from "../Core/Transforms.js";
|
|
import GroundPolylinePrimitive from "../Scene/GroundPolylinePrimitive.js";
|
|
import GroundPrimitive from "../Scene/GroundPrimitive.js";
|
|
import HeightReference from "../Scene/HeightReference.js";
|
|
import BillboardGraphics from "./BillboardGraphics.js";
|
|
import BoxGraphics from "./BoxGraphics.js";
|
|
import ConstantPositionProperty from "./ConstantPositionProperty.js";
|
|
import CorridorGraphics from "./CorridorGraphics.js";
|
|
import createPropertyDescriptor from "./createPropertyDescriptor.js";
|
|
import createRawPropertyDescriptor from "./createRawPropertyDescriptor.js";
|
|
import CylinderGraphics from "./CylinderGraphics.js";
|
|
import EllipseGraphics from "./EllipseGraphics.js";
|
|
import EllipsoidGraphics from "./EllipsoidGraphics.js";
|
|
import LabelGraphics from "./LabelGraphics.js";
|
|
import ModelGraphics from "./ModelGraphics.js";
|
|
import Cesium3DTilesetGraphics from "./Cesium3DTilesetGraphics.js";
|
|
import PathGraphics from "./PathGraphics.js";
|
|
import PlaneGraphics from "./PlaneGraphics.js";
|
|
import PointGraphics from "./PointGraphics.js";
|
|
import PolygonGraphics from "./PolygonGraphics.js";
|
|
import PolylineGraphics from "./PolylineGraphics.js";
|
|
import PolylineVolumeGraphics from "./PolylineVolumeGraphics.js";
|
|
import Property from "./Property.js";
|
|
import PropertyBag from "./PropertyBag.js";
|
|
import RectangleGraphics from "./RectangleGraphics.js";
|
|
import WallGraphics from "./WallGraphics.js";
|
|
|
|
var cartoScratch = new Cartographic();
|
|
|
|
function createConstantPositionProperty(value) {
|
|
return new ConstantPositionProperty(value);
|
|
}
|
|
|
|
function createPositionPropertyDescriptor(name) {
|
|
return createPropertyDescriptor(
|
|
name,
|
|
undefined,
|
|
createConstantPositionProperty
|
|
);
|
|
}
|
|
|
|
function createPropertyTypeDescriptor(name, Type) {
|
|
return createPropertyDescriptor(name, undefined, function (value) {
|
|
if (value instanceof Type) {
|
|
return value;
|
|
}
|
|
return new Type(value);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @typedef {Object} Entity.ConstructorOptions
|
|
*
|
|
* Initialization options for the Entity constructor
|
|
*
|
|
* @property {String} [id] A unique identifier for this object. If none is provided, a GUID is generated.
|
|
* @property {String} [name] A human readable name to display to users. It does not have to be unique.
|
|
* @property {TimeIntervalCollection} [availability] The availability, if any, associated with this object.
|
|
* @property {Boolean} [show] A boolean value indicating if the entity and its children are displayed.
|
|
* @property {Property | string} [description] A string Property specifying an HTML description for this entity.
|
|
* @property {PositionProperty | Cartesian3} [position] A Property specifying the entity position.
|
|
* @property {Property} [orientation] A Property specifying the entity orientation.
|
|
* @property {Property} [viewFrom] A suggested initial offset for viewing this object.
|
|
* @property {Entity} [parent] A parent entity to associate with this entity.
|
|
* @property {BillboardGraphics | BillboardGraphics.ConstructorOptions} [billboard] A billboard to associate with this entity.
|
|
* @property {BoxGraphics | BoxGraphics.ConstructorOptions} [box] A box to associate with this entity.
|
|
* @property {CorridorGraphics | CorridorGraphics.ConstructorOptions} [corridor] A corridor to associate with this entity.
|
|
* @property {CylinderGraphics | CylinderGraphics.ConstructorOptions} [cylinder] A cylinder to associate with this entity.
|
|
* @property {EllipseGraphics | EllipseGraphics.ConstructorOptions} [ellipse] A ellipse to associate with this entity.
|
|
* @property {EllipsoidGraphics | EllipsoidGraphics.ConstructorOptions} [ellipsoid] A ellipsoid to associate with this entity.
|
|
* @property {LabelGraphics | LabelGraphics.ConstructorOptions} [label] A options.label to associate with this entity.
|
|
* @property {ModelGraphics | ModelGraphics.ConstructorOptions} [model] A model to associate with this entity.
|
|
* @property {Cesium3DTilesetGraphics | Cesium3DTilesetGraphics.ConstructorOptions} [tileset] A 3D Tiles tileset to associate with this entity.
|
|
* @property {PathGraphics | PathGraphics.ConstructorOptions} [path] A path to associate with this entity.
|
|
* @property {PlaneGraphics | PlaneGraphics.ConstructorOptions} [plane] A plane to associate with this entity.
|
|
* @property {PointGraphics | PointGraphics.ConstructorOptions} [point] A point to associate with this entity.
|
|
* @property {PolygonGraphics | PolygonGraphics.ConstructorOptions} [polygon] A polygon to associate with this entity.
|
|
* @property {PolylineGraphics | PolylineGraphics.ConstructorOptions} [polyline] A polyline to associate with this entity.
|
|
* @property {PropertyBag | Object.<string,*>} [properties] Arbitrary properties to associate with this entity.
|
|
* @property {PolylineVolumeGraphics | PolylineVolumeGraphics.ConstructorOptions} [polylineVolume] A polylineVolume to associate with this entity.
|
|
* @property {RectangleGraphics | RectangleGraphics.ConstructorOptions} [rectangle] A rectangle to associate with this entity.
|
|
* @property {WallGraphics | WallGraphics.ConstructorOptions} [wall] A wall to associate with this entity.
|
|
*/
|
|
|
|
/**
|
|
* Entity instances aggregate multiple forms of visualization into a single high-level object.
|
|
* They can be created manually and added to {@link Viewer#entities} or be produced by
|
|
* data sources, such as {@link CzmlDataSource} and {@link GeoJsonDataSource}.
|
|
* @alias Entity
|
|
* @constructor
|
|
*
|
|
* @param {Entity.ConstructorOptions} [options] Object describing initialization options
|
|
*
|
|
* @see {@link https://cesium.com/docs/tutorials/creating-entities/|Creating Entities}
|
|
*/
|
|
function Entity(options) {
|
|
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
|
|
|
|
var id = options.id;
|
|
if (!defined(id)) {
|
|
id = createGuid();
|
|
}
|
|
|
|
this._availability = undefined;
|
|
this._id = id;
|
|
this._definitionChanged = new Event();
|
|
this._name = options.name;
|
|
this._show = defaultValue(options.show, true);
|
|
this._parent = undefined;
|
|
this._propertyNames = [
|
|
"billboard",
|
|
"box",
|
|
"corridor",
|
|
"cylinder",
|
|
"description",
|
|
"ellipse", //
|
|
"ellipsoid",
|
|
"label",
|
|
"model",
|
|
"tileset",
|
|
"orientation",
|
|
"path",
|
|
"plane",
|
|
"point",
|
|
"polygon", //
|
|
"polyline",
|
|
"polylineVolume",
|
|
"position",
|
|
"properties",
|
|
"rectangle",
|
|
"viewFrom",
|
|
"wall",
|
|
];
|
|
|
|
this._billboard = undefined;
|
|
this._billboardSubscription = undefined;
|
|
this._box = undefined;
|
|
this._boxSubscription = undefined;
|
|
this._corridor = undefined;
|
|
this._corridorSubscription = undefined;
|
|
this._cylinder = undefined;
|
|
this._cylinderSubscription = undefined;
|
|
this._description = undefined;
|
|
this._descriptionSubscription = undefined;
|
|
this._ellipse = undefined;
|
|
this._ellipseSubscription = undefined;
|
|
this._ellipsoid = undefined;
|
|
this._ellipsoidSubscription = undefined;
|
|
this._label = undefined;
|
|
this._labelSubscription = undefined;
|
|
this._model = undefined;
|
|
this._modelSubscription = undefined;
|
|
this._tileset = undefined;
|
|
this._tilesetSubscription = undefined;
|
|
this._orientation = undefined;
|
|
this._orientationSubscription = undefined;
|
|
this._path = undefined;
|
|
this._pathSubscription = undefined;
|
|
this._plane = undefined;
|
|
this._planeSubscription = undefined;
|
|
this._point = undefined;
|
|
this._pointSubscription = undefined;
|
|
this._polygon = undefined;
|
|
this._polygonSubscription = undefined;
|
|
this._polyline = undefined;
|
|
this._polylineSubscription = undefined;
|
|
this._polylineVolume = undefined;
|
|
this._polylineVolumeSubscription = undefined;
|
|
this._position = undefined;
|
|
this._positionSubscription = undefined;
|
|
this._properties = undefined;
|
|
this._propertiesSubscription = undefined;
|
|
this._rectangle = undefined;
|
|
this._rectangleSubscription = undefined;
|
|
this._viewFrom = undefined;
|
|
this._viewFromSubscription = undefined;
|
|
this._wall = undefined;
|
|
this._wallSubscription = undefined;
|
|
this._children = [];
|
|
|
|
/**
|
|
* Gets or sets the entity collection that this entity belongs to.
|
|
* @type {EntityCollection}
|
|
*/
|
|
this.entityCollection = undefined;
|
|
|
|
this.parent = options.parent;
|
|
this.merge(options);
|
|
}
|
|
|
|
function updateShow(entity, children, isShowing) {
|
|
var length = children.length;
|
|
for (var i = 0; i < length; i++) {
|
|
var child = children[i];
|
|
var childShow = child._show;
|
|
var oldValue = !isShowing && childShow;
|
|
var newValue = isShowing && childShow;
|
|
if (oldValue !== newValue) {
|
|
updateShow(child, child._children, isShowing);
|
|
}
|
|
}
|
|
entity._definitionChanged.raiseEvent(
|
|
entity,
|
|
"isShowing",
|
|
isShowing,
|
|
!isShowing
|
|
);
|
|
}
|
|
|
|
Object.defineProperties(Entity.prototype, {
|
|
/**
|
|
* The availability, if any, associated with this object.
|
|
* If availability is undefined, it is assumed that this object's
|
|
* other properties will return valid data for any provided time.
|
|
* If availability exists, the objects other properties will only
|
|
* provide valid data if queried within the given interval.
|
|
* @memberof Entity.prototype
|
|
* @type {TimeIntervalCollection|undefined}
|
|
*/
|
|
availability: createRawPropertyDescriptor("availability"),
|
|
/**
|
|
* Gets the unique ID associated with this object.
|
|
* @memberof Entity.prototype
|
|
* @type {String}
|
|
*/
|
|
id: {
|
|
get: function () {
|
|
return this._id;
|
|
},
|
|
},
|
|
/**
|
|
* Gets the event that is raised whenever a property or sub-property is changed or modified.
|
|
* @memberof Entity.prototype
|
|
*
|
|
* @type {Event}
|
|
* @readonly
|
|
*/
|
|
definitionChanged: {
|
|
get: function () {
|
|
return this._definitionChanged;
|
|
},
|
|
},
|
|
/**
|
|
* Gets or sets the name of the object. The name is intended for end-user
|
|
* consumption and does not need to be unique.
|
|
* @memberof Entity.prototype
|
|
* @type {String|undefined}
|
|
*/
|
|
name: createRawPropertyDescriptor("name"),
|
|
/**
|
|
* Gets or sets whether this entity should be displayed. When set to true,
|
|
* the entity is only displayed if the parent entity's show property is also true.
|
|
* @memberof Entity.prototype
|
|
* @type {Boolean}
|
|
*/
|
|
show: {
|
|
get: function () {
|
|
return this._show;
|
|
},
|
|
set: function (value) {
|
|
//>>includeStart('debug', pragmas.debug);
|
|
if (!defined(value)) {
|
|
throw new DeveloperError("value is required.");
|
|
}
|
|
//>>includeEnd('debug');
|
|
|
|
if (value === this._show) {
|
|
return;
|
|
}
|
|
|
|
var wasShowing = this.isShowing;
|
|
this._show = value;
|
|
var isShowing = this.isShowing;
|
|
|
|
if (wasShowing !== isShowing) {
|
|
updateShow(this, this._children, isShowing);
|
|
}
|
|
|
|
this._definitionChanged.raiseEvent(this, "show", value, !value);
|
|
},
|
|
},
|
|
/**
|
|
* Gets whether this entity is being displayed, taking into account
|
|
* the visibility of any ancestor entities.
|
|
* @memberof Entity.prototype
|
|
* @type {Boolean}
|
|
*/
|
|
isShowing: {
|
|
get: function () {
|
|
return (
|
|
this._show &&
|
|
(!defined(this.entityCollection) || this.entityCollection.show) &&
|
|
(!defined(this._parent) || this._parent.isShowing)
|
|
);
|
|
},
|
|
},
|
|
/**
|
|
* Gets or sets the parent object.
|
|
* @memberof Entity.prototype
|
|
* @type {Entity|undefined}
|
|
*/
|
|
parent: {
|
|
get: function () {
|
|
return this._parent;
|
|
},
|
|
set: function (value) {
|
|
var oldValue = this._parent;
|
|
|
|
if (oldValue === value) {
|
|
return;
|
|
}
|
|
|
|
var wasShowing = this.isShowing;
|
|
if (defined(oldValue)) {
|
|
var index = oldValue._children.indexOf(this);
|
|
oldValue._children.splice(index, 1);
|
|
}
|
|
|
|
this._parent = value;
|
|
if (defined(value)) {
|
|
value._children.push(this);
|
|
}
|
|
|
|
var isShowing = this.isShowing;
|
|
|
|
if (wasShowing !== isShowing) {
|
|
updateShow(this, this._children, isShowing);
|
|
}
|
|
|
|
this._definitionChanged.raiseEvent(this, "parent", value, oldValue);
|
|
},
|
|
},
|
|
/**
|
|
* Gets the names of all properties registered on this instance.
|
|
* @memberof Entity.prototype
|
|
* @type {string[]}
|
|
*/
|
|
propertyNames: {
|
|
get: function () {
|
|
return this._propertyNames;
|
|
},
|
|
},
|
|
/**
|
|
* Gets or sets the billboard.
|
|
* @memberof Entity.prototype
|
|
* @type {BillboardGraphics|undefined}
|
|
*/
|
|
billboard: createPropertyTypeDescriptor("billboard", BillboardGraphics),
|
|
/**
|
|
* Gets or sets the box.
|
|
* @memberof Entity.prototype
|
|
* @type {BoxGraphics|undefined}
|
|
*/
|
|
box: createPropertyTypeDescriptor("box", BoxGraphics),
|
|
/**
|
|
* Gets or sets the corridor.
|
|
* @memberof Entity.prototype
|
|
* @type {CorridorGraphics|undefined}
|
|
*/
|
|
corridor: createPropertyTypeDescriptor("corridor", CorridorGraphics),
|
|
/**
|
|
* Gets or sets the cylinder.
|
|
* @memberof Entity.prototype
|
|
* @type {CylinderGraphics|undefined}
|
|
*/
|
|
cylinder: createPropertyTypeDescriptor("cylinder", CylinderGraphics),
|
|
/**
|
|
* Gets or sets the description.
|
|
* @memberof Entity.prototype
|
|
* @type {Property|undefined}
|
|
*/
|
|
description: createPropertyDescriptor("description"),
|
|
/**
|
|
* Gets or sets the ellipse.
|
|
* @memberof Entity.prototype
|
|
* @type {EllipseGraphics|undefined}
|
|
*/
|
|
ellipse: createPropertyTypeDescriptor("ellipse", EllipseGraphics),
|
|
/**
|
|
* Gets or sets the ellipsoid.
|
|
* @memberof Entity.prototype
|
|
* @type {EllipsoidGraphics|undefined}
|
|
*/
|
|
ellipsoid: createPropertyTypeDescriptor("ellipsoid", EllipsoidGraphics),
|
|
/**
|
|
* Gets or sets the label.
|
|
* @memberof Entity.prototype
|
|
* @type {LabelGraphics|undefined}
|
|
*/
|
|
label: createPropertyTypeDescriptor("label", LabelGraphics),
|
|
/**
|
|
* Gets or sets the model.
|
|
* @memberof Entity.prototype
|
|
* @type {ModelGraphics|undefined}
|
|
*/
|
|
model: createPropertyTypeDescriptor("model", ModelGraphics),
|
|
/**
|
|
* Gets or sets the tileset.
|
|
* @memberof Entity.prototype
|
|
* @type {Cesium3DTilesetGraphics|undefined}
|
|
*/
|
|
tileset: createPropertyTypeDescriptor("tileset", Cesium3DTilesetGraphics),
|
|
/**
|
|
* Gets or sets the orientation.
|
|
* @memberof Entity.prototype
|
|
* @type {Property|undefined}
|
|
*/
|
|
orientation: createPropertyDescriptor("orientation"),
|
|
/**
|
|
* Gets or sets the path.
|
|
* @memberof Entity.prototype
|
|
* @type {PathGraphics|undefined}
|
|
*/
|
|
path: createPropertyTypeDescriptor("path", PathGraphics),
|
|
/**
|
|
* Gets or sets the plane.
|
|
* @memberof Entity.prototype
|
|
* @type {PlaneGraphics|undefined}
|
|
*/
|
|
plane: createPropertyTypeDescriptor("plane", PlaneGraphics),
|
|
/**
|
|
* Gets or sets the point graphic.
|
|
* @memberof Entity.prototype
|
|
* @type {PointGraphics|undefined}
|
|
*/
|
|
point: createPropertyTypeDescriptor("point", PointGraphics),
|
|
/**
|
|
* Gets or sets the polygon.
|
|
* @memberof Entity.prototype
|
|
* @type {PolygonGraphics|undefined}
|
|
*/
|
|
polygon: createPropertyTypeDescriptor("polygon", PolygonGraphics),
|
|
/**
|
|
* Gets or sets the polyline.
|
|
* @memberof Entity.prototype
|
|
* @type {PolylineGraphics|undefined}
|
|
*/
|
|
polyline: createPropertyTypeDescriptor("polyline", PolylineGraphics),
|
|
/**
|
|
* Gets or sets the polyline volume.
|
|
* @memberof Entity.prototype
|
|
* @type {PolylineVolumeGraphics|undefined}
|
|
*/
|
|
polylineVolume: createPropertyTypeDescriptor(
|
|
"polylineVolume",
|
|
PolylineVolumeGraphics
|
|
),
|
|
/**
|
|
* Gets or sets the bag of arbitrary properties associated with this entity.
|
|
* @memberof Entity.prototype
|
|
* @type {PropertyBag|undefined}
|
|
*/
|
|
properties: createPropertyTypeDescriptor("properties", PropertyBag),
|
|
/**
|
|
* Gets or sets the position.
|
|
* @memberof Entity.prototype
|
|
* @type {PositionProperty|undefined}
|
|
*/
|
|
position: createPositionPropertyDescriptor("position"),
|
|
/**
|
|
* Gets or sets the rectangle.
|
|
* @memberof Entity.prototype
|
|
* @type {RectangleGraphics|undefined}
|
|
*/
|
|
rectangle: createPropertyTypeDescriptor("rectangle", RectangleGraphics),
|
|
/**
|
|
* Gets or sets the suggested initial offset when tracking this object.
|
|
* The offset is typically defined in the east-north-up reference frame,
|
|
* but may be another frame depending on the object's velocity.
|
|
* @memberof Entity.prototype
|
|
* @type {Property|undefined}
|
|
*/
|
|
viewFrom: createPropertyDescriptor("viewFrom"),
|
|
/**
|
|
* Gets or sets the wall.
|
|
* @memberof Entity.prototype
|
|
* @type {WallGraphics|undefined}
|
|
*/
|
|
wall: createPropertyTypeDescriptor("wall", WallGraphics),
|
|
});
|
|
|
|
/**
|
|
* Given a time, returns true if this object should have data during that time.
|
|
*
|
|
* @param {JulianDate} time The time to check availability for.
|
|
* @returns {Boolean} true if the object should have data during the provided time, false otherwise.
|
|
*/
|
|
Entity.prototype.isAvailable = function (time) {
|
|
//>>includeStart('debug', pragmas.debug);
|
|
if (!defined(time)) {
|
|
throw new DeveloperError("time is required.");
|
|
}
|
|
//>>includeEnd('debug');
|
|
|
|
var availability = this._availability;
|
|
return !defined(availability) || availability.contains(time);
|
|
};
|
|
|
|
/**
|
|
* Adds a property to this object. Once a property is added, it can be
|
|
* observed with {@link Entity#definitionChanged} and composited
|
|
* with {@link CompositeEntityCollection}
|
|
*
|
|
* @param {String} propertyName The name of the property to add.
|
|
*
|
|
* @exception {DeveloperError} "propertyName" is a reserved property name.
|
|
* @exception {DeveloperError} "propertyName" is already a registered property.
|
|
*/
|
|
Entity.prototype.addProperty = function (propertyName) {
|
|
var propertyNames = this._propertyNames;
|
|
|
|
//>>includeStart('debug', pragmas.debug);
|
|
if (!defined(propertyName)) {
|
|
throw new DeveloperError("propertyName is required.");
|
|
}
|
|
if (propertyNames.indexOf(propertyName) !== -1) {
|
|
throw new DeveloperError(
|
|
propertyName + " is already a registered property."
|
|
);
|
|
}
|
|
if (propertyName in this) {
|
|
throw new DeveloperError(propertyName + " is a reserved property name.");
|
|
}
|
|
//>>includeEnd('debug');
|
|
|
|
propertyNames.push(propertyName);
|
|
Object.defineProperty(
|
|
this,
|
|
propertyName,
|
|
createRawPropertyDescriptor(propertyName, true)
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Removed a property previously added with addProperty.
|
|
*
|
|
* @param {String} propertyName The name of the property to remove.
|
|
*
|
|
* @exception {DeveloperError} "propertyName" is a reserved property name.
|
|
* @exception {DeveloperError} "propertyName" is not a registered property.
|
|
*/
|
|
Entity.prototype.removeProperty = function (propertyName) {
|
|
var propertyNames = this._propertyNames;
|
|
var index = propertyNames.indexOf(propertyName);
|
|
|
|
//>>includeStart('debug', pragmas.debug);
|
|
if (!defined(propertyName)) {
|
|
throw new DeveloperError("propertyName is required.");
|
|
}
|
|
if (index === -1) {
|
|
throw new DeveloperError(propertyName + " is not a registered property.");
|
|
}
|
|
//>>includeEnd('debug');
|
|
|
|
this._propertyNames.splice(index, 1);
|
|
delete this[propertyName];
|
|
};
|
|
|
|
/**
|
|
* Assigns each unassigned property on this object to the value
|
|
* of the same property on the provided source object.
|
|
*
|
|
* @param {Entity} source The object to be merged into this object.
|
|
*/
|
|
Entity.prototype.merge = function (source) {
|
|
//>>includeStart('debug', pragmas.debug);
|
|
if (!defined(source)) {
|
|
throw new DeveloperError("source is required.");
|
|
}
|
|
//>>includeEnd('debug');
|
|
|
|
//Name, show, and availability are not Property objects and are currently handled differently.
|
|
//source.show is intentionally ignored because this.show always has a value.
|
|
this.name = defaultValue(this.name, source.name);
|
|
this.availability = defaultValue(this.availability, source.availability);
|
|
|
|
var propertyNames = this._propertyNames;
|
|
var sourcePropertyNames = defined(source._propertyNames)
|
|
? source._propertyNames
|
|
: Object.keys(source);
|
|
var propertyNamesLength = sourcePropertyNames.length;
|
|
for (var i = 0; i < propertyNamesLength; i++) {
|
|
var name = sourcePropertyNames[i];
|
|
|
|
//While source is required by the API to be an Entity, we internally call this method from the
|
|
//constructor with an options object to configure initial custom properties.
|
|
//So we need to ignore reserved-non-property.
|
|
if (name === "parent" || name === "name" || name === "availability") {
|
|
continue;
|
|
}
|
|
|
|
var targetProperty = this[name];
|
|
var sourceProperty = source[name];
|
|
|
|
//Custom properties that are registered on the source entity must also
|
|
//get registered on this entity.
|
|
if (!defined(targetProperty) && propertyNames.indexOf(name) === -1) {
|
|
this.addProperty(name);
|
|
}
|
|
|
|
if (defined(sourceProperty)) {
|
|
if (defined(targetProperty)) {
|
|
if (defined(targetProperty.merge)) {
|
|
targetProperty.merge(sourceProperty);
|
|
}
|
|
} else if (
|
|
defined(sourceProperty.merge) &&
|
|
defined(sourceProperty.clone)
|
|
) {
|
|
this[name] = sourceProperty.clone();
|
|
} else {
|
|
this[name] = sourceProperty;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var matrix3Scratch = new Matrix3();
|
|
var positionScratch = new Cartesian3();
|
|
var orientationScratch = new Quaternion();
|
|
|
|
/**
|
|
* Computes the model matrix for the entity's transform at specified time. Returns undefined if orientation or position
|
|
* are undefined.
|
|
*
|
|
* @param {JulianDate} time The time to retrieve model matrix for.
|
|
* @param {Matrix4} [result] The object onto which to store the result.
|
|
*
|
|
* @returns {Matrix4} The modified result parameter or a new Matrix4 instance if one was not provided. Result is undefined if position or orientation are undefined.
|
|
*/
|
|
Entity.prototype.computeModelMatrix = function (time, result) {
|
|
//>>includeStart('debug', pragmas.debug);
|
|
Check.typeOf.object("time", time);
|
|
//>>includeEnd('debug');
|
|
var position = Property.getValueOrUndefined(
|
|
this._position,
|
|
time,
|
|
positionScratch
|
|
);
|
|
if (!defined(position)) {
|
|
return undefined;
|
|
}
|
|
|
|
var orientation = Property.getValueOrUndefined(
|
|
this._orientation,
|
|
time,
|
|
orientationScratch
|
|
);
|
|
if (!defined(orientation)) {
|
|
result = Transforms.eastNorthUpToFixedFrame(position, undefined, result);
|
|
} else {
|
|
result = Matrix4.fromRotationTranslation(
|
|
Matrix3.fromQuaternion(orientation, matrix3Scratch),
|
|
position,
|
|
result
|
|
);
|
|
}
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
Entity.prototype.computeModelMatrixForHeightReference = function (
|
|
time,
|
|
heightReferenceProperty,
|
|
heightOffset,
|
|
ellipsoid,
|
|
result
|
|
) {
|
|
//>>includeStart('debug', pragmas.debug);
|
|
Check.typeOf.object("time", time);
|
|
//>>includeEnd('debug');
|
|
var heightReference = Property.getValueOrDefault(
|
|
heightReferenceProperty,
|
|
time,
|
|
HeightReference.NONE
|
|
);
|
|
var position = Property.getValueOrUndefined(
|
|
this._position,
|
|
time,
|
|
positionScratch
|
|
);
|
|
if (
|
|
heightReference === HeightReference.NONE ||
|
|
!defined(position) ||
|
|
Cartesian3.equalsEpsilon(position, Cartesian3.ZERO, CesiumMath.EPSILON8)
|
|
) {
|
|
return this.computeModelMatrix(time, result);
|
|
}
|
|
|
|
var carto = ellipsoid.cartesianToCartographic(position, cartoScratch);
|
|
if (heightReference === HeightReference.CLAMP_TO_GROUND) {
|
|
carto.height = heightOffset;
|
|
} else {
|
|
carto.height += heightOffset;
|
|
}
|
|
position = ellipsoid.cartographicToCartesian(carto, position);
|
|
|
|
var orientation = Property.getValueOrUndefined(
|
|
this._orientation,
|
|
time,
|
|
orientationScratch
|
|
);
|
|
if (!defined(orientation)) {
|
|
result = Transforms.eastNorthUpToFixedFrame(position, undefined, result);
|
|
} else {
|
|
result = Matrix4.fromRotationTranslation(
|
|
Matrix3.fromQuaternion(orientation, matrix3Scratch),
|
|
position,
|
|
result
|
|
);
|
|
}
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Checks if the given Scene supports materials besides Color on Entities draped on terrain or 3D Tiles.
|
|
* If this feature is not supported, Entities with non-color materials but no `height` will
|
|
* instead be rendered as if height is 0.
|
|
*
|
|
* @param {Scene} scene The current scene.
|
|
* @returns {Boolean} Whether or not the current scene supports materials for entities on terrain.
|
|
*/
|
|
Entity.supportsMaterialsforEntitiesOnTerrain = function (scene) {
|
|
return GroundPrimitive.supportsMaterials(scene);
|
|
};
|
|
|
|
/**
|
|
* Checks if the given Scene supports polylines clamped to terrain or 3D Tiles.
|
|
* If this feature is not supported, Entities with PolylineGraphics will be rendered with vertices at
|
|
* the provided heights and using the `arcType` parameter instead of clamped to the ground.
|
|
*
|
|
* @param {Scene} scene The current scene.
|
|
* @returns {Boolean} Whether or not the current scene supports polylines on terrain or 3D TIles.
|
|
*/
|
|
Entity.supportsPolylinesOnTerrain = function (scene) {
|
|
return GroundPolylinePrimitive.isSupported(scene);
|
|
};
|
|
export default Entity;
|