Cesium修改源码增加多区域挖除功能补丁

import BoundingSphere from "../Core/BoundingSphere.js"; import BoxOutlineGeometry from "../Core/BoxOutlineGeometry.js"; import Cartesian2 from "../Core/Cartesian2.js"; import Cartesian3 from "../Core/Cartesian3.js"; import Cartesian4 from "../Core/Cartesian4.js"; import Cartographic from "../Core/Cartographic.js"; import clone from "../Core/clone.js"; import Color from "../Core/Color.js"; import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js"; import combine from "../Core/combine.js"; import defaultValue from "../Core/defaultValue.js"; import defined from "../Core/defined.js"; import destroyObject from "../Core/destroyObject.js"; import DeveloperError from "../Core/DeveloperError.js"; import Event from "../Core/Event.js"; import GeometryInstance from "../Core/GeometryInstance.js"; import GeometryPipeline from "../Core/GeometryPipeline.js"; import IndexDatatype from "../Core/IndexDatatype.js"; import Intersect from "../Core/Intersect.js"; import CesiumMath from "../Core/Math.js"; import Matrix4 from "../Core/Matrix4.js"; import NearFarScalar from "../Core/NearFarScalar.js"; import OrientedBoundingBox from "../Core/OrientedBoundingBox.js"; import OrthographicFrustum from "../Core/OrthographicFrustum.js"; import PrimitiveType from "../Core/PrimitiveType.js"; import Rectangle from "../Core/Rectangle.js"; import SphereOutlineGeometry from "../Core/SphereOutlineGeometry.js"; import TerrainQuantization from "../Core/TerrainQuantization.js"; import Visibility from "../Core/Visibility.js"; import WebMercatorProjection from "../Core/WebMercatorProjection.js"; import Buffer from "../Renderer/Buffer.js"; import BufferUsage from "../Renderer/BufferUsage.js"; import ContextLimits from "../Renderer/ContextLimits.js"; import DrawCommand from "../Renderer/DrawCommand.js"; import Pass from "../Renderer/Pass.js"; import RenderState from "../Renderer/RenderState.js"; import VertexArray from "../Renderer/VertexArray.js"; import BlendingState from "./BlendingState.js"; import ClippingPlaneCollection from "./ClippingPlaneCollection.js"; import MultiClippingPlaneCollection from "./MultiClippingPlaneCollection.js"; import DepthFunction from "./DepthFunction.js"; import GlobeSurfaceTile from "./GlobeSurfaceTile.js"; import ImageryLayer from "./ImageryLayer.js"; import ImageryState from "./ImageryState.js"; import PerInstanceColorAppearance from "./PerInstanceColorAppearance.js"; import Primitive from "./Primitive.js"; import QuadtreeTileLoadState from "./QuadtreeTileLoadState.js"; import SceneMode from "./SceneMode.js"; import ShadowMode from "./ShadowMode.js"; import TerrainFillMesh from "./TerrainFillMesh.js"; import TerrainState from "./TerrainState.js"; import TileBoundingRegion from "./TileBoundingRegion.js"; import TileSelectionResult from "./TileSelectionResult.js"; import Texture from "../Renderer/Texture.js"; import PixelDatatype from "../Renderer/PixelDatatype.js"; import PixelFormat from "../Core/PixelFormat.js"; import Sampler from "../Renderer/Sampler.js"; /** * Provides quadtree tiles representing the surface of the globe. This type is intended to be used * with {@link QuadtreePrimitive}. * * @alias GlobeSurfaceTileProvider * @constructor * * @param {TerrainProvider} options.terrainProvider The terrain provider that describes the surface geometry. * @param {ImageryLayerCollection} option.imageryLayers The collection of imagery layers describing the shading of the surface. * @param {GlobeSurfaceShaderSet} options.surfaceShaderSet The set of shaders used to render the surface. * * @private */ function GlobeSurfaceTileProvider(options) { //>>includeStart('debug', pragmas.debug); if (!defined(options)) { throw new DeveloperError("options is required."); } if (!defined(options.terrainProvider)) { throw new DeveloperError("options.terrainProvider is required."); } else if (!defined(options.imageryLayers)) { throw new DeveloperError("options.imageryLayers is required."); } else if (!defined(options.surfaceShaderSet)) { throw new DeveloperError("options.surfaceShaderSet is required."); } //>>includeEnd('debug'); this.lightingFadeOutDistance = 6500000.0; this.lightingFadeInDistance = 9000000.0; this.hasWaterMask = false; this.oceanNormalMap = undefined; this.zoomedOutOceanSpecularIntensity = 0.5; this.enableLighting = false; this.dynamicAtmosphereLighting = false; this.dynamicAtmosphereLightingFromSun = false; this.showGroundAtmosphere = false; this.shadows = ShadowMode.RECEIVE_ONLY; /** * The color to use to highlight terrain fill tiles. If undefined, fill tiles are not * highlighted at all. The alpha value is used to alpha blend with the tile's * actual color. Because terrain fill tiles do not represent the actual terrain surface, * it may be useful in some applications to indicate visually that they are not to be trusted. * @type {Color} * @default undefined */ this.fillHighlightColor = undefined; this.hueShift = 0.0; this.saturationShift = 0.0; this.brightnessShift = 0.0; this.showSkirts = true; this.backFaceCulling = true; this.undergroundColor = undefined; this.undergroundColorAlphaByDistance = undefined; this.materialUniformMap = undefined; this._materialUniformMap = undefined; this._quadtree = undefined; this._terrainProvider = options.terrainProvider; this._imageryLayers = options.imageryLayers; this._surfaceShaderSet = options.surfaceShaderSet; this._renderState = undefined; this._blendRenderState = undefined; this._disableCullingRenderState = undefined; this._disableCullingBlendRenderState = undefined; this._errorEvent = new Event(); this._imageryLayers.layerAdded.addEventListener( GlobeSurfaceTileProvider.prototype._onLayerAdded, this ); this._imageryLayers.layerRemoved.addEventListener( GlobeSurfaceTileProvider.prototype._onLayerRemoved, this ); this._imageryLayers.layerMoved.addEventListener( GlobeSurfaceTileProvider.prototype._onLayerMoved, this ); this._imageryLayers.layerShownOrHidden.addEventListener( GlobeSurfaceTileProvider.prototype._onLayerShownOrHidden, this ); this._imageryLayersUpdatedEvent = new Event(); this._layerOrderChanged = false; this._tilesToRenderByTextureCount = []; this._drawCommands = []; this._uniformMaps = []; this._usedDrawCommands = 0; this._vertexArraysToDestroy = []; this._debug = { wireframe: false, boundingSphereTile: undefined, }; this._baseColor = undefined; this._firstPassInitialColor = undefined; this.baseColor = new Color(0.0, 0.0, 0.5, 1.0); /** * A property specifying a {@link ClippingPlaneCollection} used to selectively disable rendering on the outside of each plane. * @type {ClippingPlaneCollection} * @private */ this._clippingPlanes = undefined; /** * A property specifying a {@link MultiClippingPlaneCollection} array used to selectively disable rendering on the outside of each plane. * @type {ClippingPlaneCollection} * @private */ this._multiClippingPlanes = undefined; /** * A property specifying a {@link Rectangle} used to selectively limit terrain and imagery rendering. * @type {Rectangle} */ this.cartographicLimitRectangle = Rectangle.clone(Rectangle.MAX_VALUE); this._hasLoadedTilesThisFrame = false; this._hasFillTilesThisFrame = false; } Object.defineProperties(GlobeSurfaceTileProvider.prototype, { /** * Gets or sets the color of the globe when no imagery is available. * @memberof GlobeSurfaceTileProvider.prototype * @type {Color} */ baseColor: { get: function () { return this._baseColor; }, set: function (value) { //>>includeStart('debug', pragmas.debug); if (!defin