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- import Cartesian3 from "../Core/Cartesian3.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 ReferenceFrame from "../Core/ReferenceFrame.js";
- import PositionProperty from "./PositionProperty.js";
- function ConstantPositionProperty(value, referenceFrame) {
- this._definitionChanged = new Event();
- this._value = Cartesian3.clone(value);
- this._referenceFrame = defaultValue(referenceFrame, ReferenceFrame.FIXED);
- }
- Object.defineProperties(ConstantPositionProperty.prototype, {
-
- isConstant: {
- get: function () {
- return (
- !defined(this._value) || this._referenceFrame === ReferenceFrame.FIXED
- );
- },
- },
-
- definitionChanged: {
- get: function () {
- return this._definitionChanged;
- },
- },
-
- referenceFrame: {
- get: function () {
- return this._referenceFrame;
- },
- },
- });
- ConstantPositionProperty.prototype.getValue = function (time, result) {
- return this.getValueInReferenceFrame(time, ReferenceFrame.FIXED, result);
- };
- ConstantPositionProperty.prototype.setValue = function (value, referenceFrame) {
- var definitionChanged = false;
- if (!Cartesian3.equals(this._value, value)) {
- definitionChanged = true;
- this._value = Cartesian3.clone(value);
- }
- if (defined(referenceFrame) && this._referenceFrame !== referenceFrame) {
- definitionChanged = true;
- this._referenceFrame = referenceFrame;
- }
- if (definitionChanged) {
- this._definitionChanged.raiseEvent(this);
- }
- };
- ConstantPositionProperty.prototype.getValueInReferenceFrame = function (
- time,
- referenceFrame,
- result
- ) {
-
- if (!defined(time)) {
- throw new DeveloperError("time is required.");
- }
- if (!defined(referenceFrame)) {
- throw new DeveloperError("referenceFrame is required.");
- }
-
- return PositionProperty.convertToReferenceFrame(
- time,
- this._value,
- this._referenceFrame,
- referenceFrame,
- result
- );
- };
- ConstantPositionProperty.prototype.equals = function (other) {
- return (
- this === other ||
- (other instanceof ConstantPositionProperty &&
- Cartesian3.equals(this._value, other._value) &&
- this._referenceFrame === other._referenceFrame)
- );
- };
- export default ConstantPositionProperty;
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