casc-cesium/es/shared/src/PolygonPrimitive.mjs.map

Vue 3.x components for CesiumJS.

{"version":3,"file":"PolygonPrimitive.mjs","sources":["../../../../../packages/shared/src/PolygonPrimitive.ts"],"sourcesContent":["/*\n * @Author: zouyaoji@https://github.com/zouyaoji\n * @Date: 2021-11-19 14:20:47\n * @LastEditTime: 2022-08-25 20:10:03\n * @LastEditors: zouyaoji\n * @Description:\n * @FilePath: \\vue-cesium@next\\packages\\shared\\src\\PolygonPrimitive.ts\n */\n\nclass PolygonPrimitive {\n  show: boolean\n  _id: string\n  _positions: Array<Cesium.Cartesian3>\n  _boundingSphere: Cesium.BoundingSphere\n  _primitive: Cesium.Primitive | Cesium.GroundPrimitive | undefined\n  _update: boolean\n  _ellipsoid: Cesium.Ellipsoid\n  _clampToGround: boolean\n  _classificationType: number\n  _arcType: number\n  _allowPicking: boolean\n  _asynchronous: boolean\n  _polygonHierarchy: Cesium.PolygonHierarchy\n  _appearance: Cesium.Appearance\n  _depthFailAppearance: Cesium.Appearance\n\n  constructor(options) {\n    const { defined, defaultValue, createGuid, BoundingSphere, Ellipsoid, ClassificationType, ArcType } = Cesium\n    options = defaultValue(options, {})\n    this.show = defaultValue(options.show, true)\n    this._id = defined(options.id) ? options.id : createGuid()\n    this._ellipsoid = defaultValue(options.ellipsoid, Ellipsoid.WGS84)\n    this._appearance = defaultValue(options.appearance, new Cesium.MaterialAppearance())\n    this._depthFailAppearance = options.depthFailAppearance\n    this._positions = defaultValue(options.positions, [])\n    this._polygonHierarchy = options.polygonHierarchy\n    this._clampToGround = defaultValue(options.clampToGround, false)\n    this._classificationType = defaultValue(options.classificationType, ClassificationType.BOTH)\n    this._arcType = defaultValue(options.arcType, ArcType.RHUMB)\n    this._allowPicking = defaultValue(options.allowPicking, true)\n    this._asynchronous = defaultValue(options.asynchronous, false)\n    this._boundingSphere = new BoundingSphere()\n    this._primitive = void 0\n    this._update = true\n  }\n\n  get positions() {\n    return this._positions\n  }\n  set positions(val) {\n    this._positions = val\n    this._update = true\n  }\n\n  get polygonHierarchy() {\n    return this._polygonHierarchy\n  }\n  set polygonHierarchy(val) {\n    this._polygonHierarchy = val\n    this._update = true\n  }\n\n  get appearance() {\n    return this._appearance\n  }\n  set appearance(val) {\n    this._appearance = val\n    if (this._primitive !== undefined) {\n      this._primitive.appearance = val\n    }\n  }\n\n  get depthFailAppearance() {\n    return this._depthFailAppearance\n  }\n  set depthFailAppearance(val) {\n    this._depthFailAppearance = val\n    if (this._primitive !== undefined && this._primitive instanceof Cesium.Primitive) {\n      this._primitive.depthFailAppearance = val\n    }\n  }\n\n  get id() {\n    return this._id\n  }\n  set id(id) {\n    this._id = id\n  }\n\n  get boundingVolume() {\n    return this._boundingSphere\n  }\n\n  get ellipsoid() {\n    return this._ellipsoid\n  }\n\n  get clampToGround() {\n    return this._clampToGround\n  }\n  set clampToGround(val) {\n    this._clampToGround = val\n  }\n\n  get classificationType() {\n    return this._classificationType\n  }\n  set classificationType(e) {\n    this._classificationType = e\n    this._update = true\n  }\n\n  get allowPicking() {\n    return this._allowPicking\n  }\n  set allowPicking(val) {\n    this._allowPicking = val\n  }\n\n  get asynchronous() {\n    return this._asynchronous\n  }\n  set asynchronous(val) {\n    this._asynchronous = val\n  }\n\n  async update(frameState) {\n    if (this.show) {\n      const positions = this._polygonHierarchy ? this._polygonHierarchy.positions : this._positions\n      if (positions.length < 3) {\n        this._primitive && this._primitive.destroy()\n        this._primitive = undefined\n      } else {\n        if (this._update) {\n          this._update = false\n\n          let promise\n          if (this._clampToGround) {\n            promise = this._createGroundPolygon()\n          } else {\n            promise = this._createPolygon()\n          }\n          promise.then(primitive => {\n            this._primitive && this._primitive.destroy()\n            this._primitive = undefined\n            this._primitive = primitive\n            ;(this._primitive as any)._vcParent = this\n            this._boundingSphere = Cesium.BoundingSphere.fromPoints(positions, this._boundingSphere)\n          })\n        }\n        this._primitive && (this._primitive as any).update(frameState)\n      }\n    }\n  }\n\n  async _createPolygon() {\n    const { Primitive, GeometryInstance, CoplanarPolygonGeometry, Cartesian3 } = Cesium\n    return new Primitive({\n      geometryInstances: new GeometryInstance({\n        geometry: this._polygonHierarchy\n          ? new CoplanarPolygonGeometry({\n              polygonHierarchy: this._polygonHierarchy,\n              ellipsoid: this._ellipsoid\n            })\n          : CoplanarPolygonGeometry.fromPositions({\n              positions: this._positions.map(function (e) {\n                return Cartesian3.clone(e)\n              }),\n              ellipsoid: this._ellipsoid\n            }),\n        id: this._id\n      }),\n      appearance: this._appearance,\n      depthFailAppearance: this._depthFailAppearance,\n      allowPicking: this._allowPicking,\n      asynchronous: this._asynchronous\n    })\n  }\n\n  async _createGroundPolygon() {\n    const { GroundPrimitive, GeometryInstance, PolygonGeometry, Cartesian3 } = Cesium\n    await Cesium.GroundPrimitive.initializeTerrainHeights()\n    return new GroundPrimitive({\n      geometryInstances: new GeometryInstance({\n        geometry: this._polygonHierarchy\n          ? new PolygonGeometry({\n              polygonHierarchy: this._polygonHierarchy,\n              ellipsoid: this._ellipsoid,\n              arcType: this._arcType\n            })\n          : PolygonGeometry.fromPositions({\n              positions: this._positions.map(function (e) {\n                return Cartesian3.clone(e)\n              }),\n              ellipsoid: this._ellipsoid,\n              arcType: this._arcType\n            }),\n        id: this._id\n      }),\n      appearance: this._appearance,\n      allowPicking: this._allowPicking,\n      asynchronous: this._asynchronous,\n      classificationType: this._classificationType\n    })\n  }\n\n  isDestroyed() {\n    return false\n  }\n\n  destroy() {\n    this._primitive && this._primitive.destroy()\n    this._primitive = undefined\n    return Cesium.destroyObject(this)\n  }\n}\n\nexport default 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