import BoundingRectangle from '../Core/BoundingRectangle.js';
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import Cartesian2 from '../Core/Cartesian2.js';
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import Cartesian3 from '../Core/Cartesian3.js';
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import Cartesian4 from '../Core/Cartesian4.js';
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import Cartographic from '../Core/Cartographic.js';
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import Color from '../Core/Color.js';
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import defaultValue from '../Core/defaultValue.js';
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import defined from '../Core/defined.js';
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import Ellipsoid from '../Core/Ellipsoid.js';
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import EncodedCartesian3 from '../Core/EncodedCartesian3.js';
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import CesiumMath from '../Core/Math.js';
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import Matrix3 from '../Core/Matrix3.js';
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import Matrix4 from '../Core/Matrix4.js';
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import OrthographicFrustum from '../Core/OrthographicFrustum.js';
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import Simon1994PlanetaryPositions from '../Core/Simon1994PlanetaryPositions.js';
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import Transforms from '../Core/Transforms.js';
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import SceneMode from '../Scene/SceneMode.js';
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import SunLight from '../Scene/SunLight.js';
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/**
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* @private
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*/
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function UniformState() {
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/**
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* @type {Texture}
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*/
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this.globeDepthTexture = undefined;
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/**
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* @type {Number}
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*/
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this.gamma = undefined;
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this._viewport = new BoundingRectangle();
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this._viewportCartesian4 = new Cartesian4();
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this._viewportDirty = false;
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this._viewportOrthographicMatrix = Matrix4.clone(Matrix4.IDENTITY);
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this._viewportTransformation = Matrix4.clone(Matrix4.IDENTITY);
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this._model = Matrix4.clone(Matrix4.IDENTITY);
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this._view = Matrix4.clone(Matrix4.IDENTITY);
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this._inverseView = Matrix4.clone(Matrix4.IDENTITY);
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this._projection = Matrix4.clone(Matrix4.IDENTITY);
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this._infiniteProjection = Matrix4.clone(Matrix4.IDENTITY);
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this._entireFrustum = new Cartesian2();
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this._currentFrustum = new Cartesian2();
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this._frustumPlanes = new Cartesian4();
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this._farDepthFromNearPlusOne = undefined;
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this._log2FarDepthFromNearPlusOne = undefined;
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this._oneOverLog2FarDepthFromNearPlusOne = undefined;
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this._frameState = undefined;
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this._temeToPseudoFixed = Matrix3.clone(Matrix4.IDENTITY);
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// Derived members
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this._view3DDirty = true;
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this._view3D = new Matrix4();
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this._inverseView3DDirty = true;
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this._inverseView3D = new Matrix4();
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this._inverseModelDirty = true;
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this._inverseModel = new Matrix4();
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this._inverseTransposeModelDirty = true;
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this._inverseTransposeModel = new Matrix3();
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this._viewRotation = new Matrix3();
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this._inverseViewRotation = new Matrix3();
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this._viewRotation3D = new Matrix3();
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this._inverseViewRotation3D = new Matrix3();
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this._inverseProjectionDirty = true;
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this._inverseProjection = new Matrix4();
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this._modelViewDirty = true;
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this._modelView = new Matrix4();
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this._modelView3DDirty = true;
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this._modelView3D = new Matrix4();
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this._modelViewRelativeToEyeDirty = true;
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this._modelViewRelativeToEye = new Matrix4();
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this._inverseModelViewDirty = true;
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this._inverseModelView = new Matrix4();
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this._inverseModelView3DDirty = true;
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this._inverseModelView3D = new Matrix4();
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this._viewProjectionDirty = true;
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this._viewProjection = new Matrix4();
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this._inverseViewProjectionDirty = true;
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this._inverseViewProjection = new Matrix4();
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this._modelViewProjectionDirty = true;
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this._modelViewProjection = new Matrix4();
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this._inverseModelViewProjectionDirty = true;
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this._inverseModelViewProjection = new Matrix4();
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this._modelViewProjectionRelativeToEyeDirty = true;
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this._modelViewProjectionRelativeToEye = new Matrix4();
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this._modelViewInfiniteProjectionDirty = true;
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this._modelViewInfiniteProjection = new Matrix4();
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this._normalDirty = true;
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this._normal = new Matrix3();
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this._normal3DDirty = true;
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this._normal3D = new Matrix3();
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this._inverseNormalDirty = true;
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this._inverseNormal = new Matrix3();
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this._inverseNormal3DDirty = true;
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this._inverseNormal3D = new Matrix3();
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this._encodedCameraPositionMCDirty = true;
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this._encodedCameraPositionMC = new EncodedCartesian3();
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this._cameraPosition = new Cartesian3();
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this._sunPositionWC = new Cartesian3();
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this._sunPositionColumbusView = new Cartesian3();
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this._sunDirectionWC = new Cartesian3();
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this._sunDirectionEC = new Cartesian3();
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this._moonDirectionEC = new Cartesian3();
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this._lightDirectionWC = new Cartesian3();
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this._lightDirectionEC = new Cartesian3();
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this._lightColor = new Cartesian3();
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this._lightColorHdr = new Cartesian3();
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this._pass = undefined;
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this._mode = undefined;
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this._mapProjection = undefined;
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this._ellipsoid = undefined;
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this._cameraDirection = new Cartesian3();
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this._cameraRight = new Cartesian3();
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this._cameraUp = new Cartesian3();
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this._frustum2DWidth = 0.0;
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this._eyeHeight2D = new Cartesian2();
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this._pixelRatio = 1.0;
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this._orthographicIn3D = false;
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this._backgroundColor = new Color();
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this._brdfLut = undefined;
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this._environmentMap = undefined;
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this._sphericalHarmonicCoefficients = undefined;
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this._specularEnvironmentMaps = undefined;
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this._specularEnvironmentMapsDimensions = new Cartesian2();
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this._specularEnvironmentMapsMaximumLOD = undefined;
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this._fogDensity = undefined;
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this._invertClassificationColor = undefined;
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this._imagerySplitPosition = 0.0;
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this._pixelSizePerMeter = undefined;
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this._geometricToleranceOverMeter = undefined;
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this._minimumDisableDepthTestDistance = undefined;
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}
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Object.defineProperties(UniformState.prototype, {
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/**
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* @memberof UniformState.prototype
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* @type {FrameState}
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* @readonly
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*/
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frameState : {
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get : function() {
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return this._frameState;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {BoundingRectangle}
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*/
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viewport : {
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get : function() {
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return this._viewport;
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},
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set : function(viewport) {
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if (!BoundingRectangle.equals(viewport, this._viewport)) {
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BoundingRectangle.clone(viewport, this._viewport);
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var v = this._viewport;
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var vc = this._viewportCartesian4;
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vc.x = v.x;
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vc.y = v.y;
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vc.z = v.width;
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vc.w = v.height;
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this._viewportDirty = true;
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}
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}
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},
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/**
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* @memberof UniformState.prototype
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* @private
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*/
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viewportCartesian4 : {
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get : function() {
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return this._viewportCartesian4;
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}
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},
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viewportOrthographic : {
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get : function() {
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cleanViewport(this);
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return this._viewportOrthographicMatrix;
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}
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},
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viewportTransformation : {
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get : function() {
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cleanViewport(this);
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return this._viewportTransformation;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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model : {
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get : function() {
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return this._model;
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},
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set : function(matrix) {
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Matrix4.clone(matrix, this._model);
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this._modelView3DDirty = true;
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this._inverseModelView3DDirty = true;
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this._inverseModelDirty = true;
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this._inverseTransposeModelDirty = true;
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this._modelViewDirty = true;
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this._inverseModelViewDirty = true;
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this._modelViewRelativeToEyeDirty = true;
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this._inverseModelViewDirty = true;
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this._modelViewProjectionDirty = true;
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this._inverseModelViewProjectionDirty = true;
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this._modelViewProjectionRelativeToEyeDirty = true;
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this._modelViewInfiniteProjectionDirty = true;
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this._normalDirty = true;
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this._inverseNormalDirty = true;
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this._normal3DDirty = true;
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this._inverseNormal3DDirty = true;
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this._encodedCameraPositionMCDirty = true;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseModel : {
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get : function() {
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if (this._inverseModelDirty) {
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this._inverseModelDirty = false;
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Matrix4.inverse(this._model, this._inverseModel);
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}
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return this._inverseModel;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @private
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*/
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inverseTransposeModel : {
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get : function() {
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var m = this._inverseTransposeModel;
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if (this._inverseTransposeModelDirty) {
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this._inverseTransposeModelDirty = false;
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Matrix4.getMatrix3(this.inverseModel, m);
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Matrix3.transpose(m, m);
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}
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return m;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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view : {
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get : function() {
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return this._view;
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}
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},
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/**
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* The 3D view matrix. In 3D mode, this is identical to {@link UniformState#view},
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* but in 2D and Columbus View it is a synthetic matrix based on the equivalent position
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* of the camera in the 3D world.
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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view3D : {
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get : function() {
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updateView3D(this);
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return this._view3D;
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}
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},
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/**
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* The 3x3 rotation matrix of the current view matrix ({@link UniformState#view}).
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* @memberof UniformState.prototype
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* @type {Matrix3}
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*/
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viewRotation : {
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get : function() {
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updateView3D(this);
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return this._viewRotation;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix3}
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*/
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viewRotation3D : {
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get : function() {
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updateView3D(this);
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return this._viewRotation3D;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseView : {
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get : function() {
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return this._inverseView;
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}
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},
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/**
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* the 4x4 inverse-view matrix that transforms from eye to 3D world coordinates. In 3D mode, this is
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* identical to {@link UniformState#inverseView}, but in 2D and Columbus View it is a synthetic matrix
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* based on the equivalent position of the camera in the 3D world.
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseView3D : {
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get : function() {
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updateInverseView3D(this);
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return this._inverseView3D;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix3}
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*/
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inverseViewRotation : {
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get : function() {
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return this._inverseViewRotation;
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}
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},
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/**
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* The 3x3 rotation matrix of the current 3D inverse-view matrix ({@link UniformState#inverseView3D}).
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* @memberof UniformState.prototype
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* @type {Matrix3}
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*/
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inverseViewRotation3D : {
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get : function() {
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updateInverseView3D(this);
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return this._inverseViewRotation3D;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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projection : {
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get : function() {
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return this._projection;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseProjection : {
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get : function() {
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cleanInverseProjection(this);
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return this._inverseProjection;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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infiniteProjection : {
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get : function() {
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return this._infiniteProjection;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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modelView : {
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get : function() {
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cleanModelView(this);
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return this._modelView;
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}
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},
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/**
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* The 3D model-view matrix. In 3D mode, this is equivalent to {@link UniformState#modelView}. In 2D and
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* Columbus View, however, it is a synthetic matrix based on the equivalent position of the camera in the 3D world.
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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modelView3D : {
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get : function() {
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cleanModelView3D(this);
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return this._modelView3D;
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}
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},
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/**
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* Model-view relative to eye matrix.
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*
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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modelViewRelativeToEye : {
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get : function() {
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cleanModelViewRelativeToEye(this);
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return this._modelViewRelativeToEye;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseModelView : {
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get : function() {
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cleanInverseModelView(this);
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return this._inverseModelView;
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}
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},
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/**
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* The inverse of the 3D model-view matrix. In 3D mode, this is equivalent to {@link UniformState#inverseModelView}.
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* In 2D and Columbus View, however, it is a synthetic matrix based on the equivalent position of the camera in the 3D world.
|
* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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inverseModelView3D : {
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get : function() {
|
cleanInverseModelView3D(this);
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return this._inverseModelView3D;
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}
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},
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/**
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* @memberof UniformState.prototype
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* @type {Matrix4}
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*/
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viewProjection : {
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get : function() {
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cleanViewProjection(this);
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return this._viewProjection;
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}
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},
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|
/**
|
* @memberof UniformState.prototype
|
* @type {Matrix4}
|
*/
|
inverseViewProjection : {
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get : function() {
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cleanInverseViewProjection(this);
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return this._inverseViewProjection;
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}
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},
|
|
/**
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* @memberof UniformState.prototype
|
* @type {Matrix4}
|
*/
|
modelViewProjection : {
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get : function() {
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cleanModelViewProjection(this);
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return this._modelViewProjection;
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|
}
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},
|
|
/**
|
* @memberof UniformState.prototype
|
* @type {Matrix4}
|
*/
|
inverseModelViewProjection : {
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get : function() {
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cleanInverseModelViewProjection(this);
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return this._inverseModelViewProjection;
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|
}
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},
|
|
/**
|
* Model-view-projection relative to eye matrix.
|
*
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* @memberof UniformState.prototype
|
* @type {Matrix4}
|
*/
|
modelViewProjectionRelativeToEye : {
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get : function() {
|
cleanModelViewProjectionRelativeToEye(this);
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return this._modelViewProjectionRelativeToEye;
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}
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},
|
|
/**
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* @memberof UniformState.prototype
|
* @type {Matrix4}
|
*/
|
modelViewInfiniteProjection : {
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get : function() {
|
cleanModelViewInfiniteProjection(this);
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return this._modelViewInfiniteProjection;
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}
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},
|
|
/**
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* A 3x3 normal transformation matrix that transforms normal vectors in model coordinates to
|
* eye coordinates.
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* @memberof UniformState.prototype
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* @type {Matrix3}
|
*/
|
normal : {
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get : function() {
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cleanNormal(this);
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return this._normal;
|
}
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},
|
|
/**
|
* A 3x3 normal transformation matrix that transforms normal vectors in 3D model
|
* coordinates to eye coordinates. In 3D mode, this is identical to
|
* {@link UniformState#normal}, but in 2D and Columbus View it represents the normal transformation
|
* matrix as if the camera were at an equivalent location in 3D mode.
|
* @memberof UniformState.prototype
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* @type {Matrix3}
|
*/
|
normal3D : {
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get : function() {
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cleanNormal3D(this);
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return this._normal3D;
|
|
}
|
},
|
|
/**
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* An inverse 3x3 normal transformation matrix that transforms normal vectors in model coordinates
|
* to eye coordinates.
|
* @memberof UniformState.prototype
|
* @type {Matrix3}
|
*/
|
inverseNormal : {
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get : function() {
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cleanInverseNormal(this);
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return this._inverseNormal;
|
}
|
},
|
|
/**
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* An inverse 3x3 normal transformation matrix that transforms normal vectors in eye coordinates
|
* to 3D model coordinates. In 3D mode, this is identical to
|
* {@link UniformState#inverseNormal}, but in 2D and Columbus View it represents the normal transformation
|
* matrix as if the camera were at an equivalent location in 3D mode.
|
* @memberof UniformState.prototype
|
* @type {Matrix3}
|
*/
|
inverseNormal3D : {
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get : function() {
|
cleanInverseNormal3D(this);
|
return this._inverseNormal3D;
|
}
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},
|
|
/**
|
* The near distance (<code>x</code>) and the far distance (<code>y</code>) of the frustum defined by the camera.
|
* This is the largest possible frustum, not an individual frustum used for multi-frustum rendering.
|
* @memberof UniformState.prototype
|
* @type {Cartesian2}
|
*/
|
entireFrustum : {
|
get : function() {
|
return this._entireFrustum;
|
}
|
},
|
|
/**
|
* The near distance (<code>x</code>) and the far distance (<code>y</code>) of the frustum defined by the camera.
|
* This is the individual frustum used for multi-frustum rendering.
|
* @memberof UniformState.prototype
|
* @type {Cartesian2}
|
*/
|
currentFrustum : {
|
get : function() {
|
return this._currentFrustum;
|
}
|
},
|
|
/**
|
* The distances to the frustum planes. The top, bottom, left and right distances are
|
* the x, y, z, and w components, respectively.
|
* @memberof UniformState.prototype
|
* @type {Cartesian4}
|
*/
|
frustumPlanes : {
|
get : function() {
|
return this._frustumPlanes;
|
}
|
},
|
|
/**
|
* The far plane's distance from the near plane, plus 1.0.
|
*
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
farDepthFromNearPlusOne : {
|
get : function() {
|
return this._farDepthFromNearPlusOne;
|
}
|
},
|
|
/**
|
* The log2 of {@link UniformState#farDepthFromNearPlusOne}.
|
*
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
log2FarDepthFromNearPlusOne : {
|
get : function() {
|
return this._log2FarDepthFromNearPlusOne;
|
}
|
},
|
|
/**
|
* 1.0 divided by {@link UniformState#log2FarDepthFromNearPlusOne}.
|
*
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
oneOverLog2FarDepthFromNearPlusOne : {
|
get : function() {
|
return this._oneOverLog2FarDepthFromNearPlusOne;
|
}
|
},
|
|
/**
|
* The the height (<code>x</code>) and the height squared (<code>y</code>)
|
* in meters of the camera above the 2D world plane. This uniform is only valid
|
* when the {@link SceneMode} equal to <code>SCENE2D</code>.
|
* @memberof UniformState.prototype
|
* @type {Cartesian2}
|
*/
|
eyeHeight2D : {
|
get : function() {
|
return this._eyeHeight2D;
|
}
|
},
|
|
/**
|
* The sun position in 3D world coordinates at the current scene time.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
sunPositionWC : {
|
get : function() {
|
return this._sunPositionWC;
|
}
|
},
|
|
/**
|
* The sun position in 2D world coordinates at the current scene time.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
sunPositionColumbusView : {
|
get : function(){
|
return this._sunPositionColumbusView;
|
}
|
},
|
|
/**
|
* A normalized vector to the sun in 3D world coordinates at the current scene time. Even in 2D or
|
* Columbus View mode, this returns the direction to the sun in the 3D scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
sunDirectionWC : {
|
get : function() {
|
return this._sunDirectionWC;
|
}
|
},
|
|
/**
|
* A normalized vector to the sun in eye coordinates at the current scene time. In 3D mode, this
|
* returns the actual vector from the camera position to the sun position. In 2D and Columbus View, it returns
|
* the vector from the equivalent 3D camera position to the position of the sun in the 3D scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
sunDirectionEC : {
|
get : function() {
|
return this._sunDirectionEC;
|
}
|
},
|
|
/**
|
* A normalized vector to the moon in eye coordinates at the current scene time. In 3D mode, this
|
* returns the actual vector from the camera position to the moon position. In 2D and Columbus View, it returns
|
* the vector from the equivalent 3D camera position to the position of the moon in the 3D scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
moonDirectionEC : {
|
get : function() {
|
return this._moonDirectionEC;
|
}
|
},
|
|
/**
|
* A normalized vector to the scene's light source in 3D world coordinates. Even in 2D or
|
* Columbus View mode, this returns the direction to the light in the 3D scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
lightDirectionWC : {
|
get : function() {
|
return this._lightDirectionWC;
|
}
|
},
|
|
/**
|
* A normalized vector to the scene's light source in eye coordinates. In 3D mode, this
|
* returns the actual vector from the camera position to the light. In 2D and Columbus View, it returns
|
* the vector from the equivalent 3D camera position in the 3D scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
lightDirectionEC : {
|
get : function() {
|
return this._lightDirectionEC;
|
}
|
},
|
|
/**
|
* The color of light emitted by the scene's light source. This is equivalent to the light
|
* color multiplied by the light intensity limited to a maximum luminance of 1.0 suitable
|
* for non-HDR lighting.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
lightColor : {
|
get : function() {
|
return this._lightColor;
|
}
|
},
|
|
/**
|
* The high dynamic range color of light emitted by the scene's light source. This is equivalent to
|
* the light color multiplied by the light intensity suitable for HDR lighting.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
lightColorHdr : {
|
get : function() {
|
return this._lightColorHdr;
|
}
|
},
|
|
/**
|
* The high bits of the camera position.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
encodedCameraPositionMCHigh : {
|
get : function() {
|
cleanEncodedCameraPositionMC(this);
|
return this._encodedCameraPositionMC.high;
|
}
|
},
|
|
/**
|
* The low bits of the camera position.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3}
|
*/
|
encodedCameraPositionMCLow : {
|
get : function() {
|
cleanEncodedCameraPositionMC(this);
|
return this._encodedCameraPositionMC.low;
|
}
|
},
|
|
/**
|
* A 3x3 matrix that transforms from True Equator Mean Equinox (TEME) axes to the
|
* pseudo-fixed axes at the Scene's current time.
|
* @memberof UniformState.prototype
|
* @type {Matrix3}
|
*/
|
temeToPseudoFixedMatrix : {
|
get : function() {
|
return this._temeToPseudoFixed;
|
}
|
},
|
|
/**
|
* Gets the scaling factor for transforming from the canvas
|
* pixel space to canvas coordinate space.
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
pixelRatio : {
|
get : function() {
|
return this._pixelRatio;
|
}
|
},
|
|
/**
|
* A scalar used to mix a color with the fog color based on the distance to the camera.
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
fogDensity : {
|
get : function() {
|
return this._fogDensity;
|
}
|
},
|
|
/**
|
* A scalar that represents the geometric tolerance per meter
|
* @memberof UniformStat.prototype
|
* @type {Number}
|
*/
|
geometricToleranceOverMeter: {
|
get : function() {
|
return this._geometricToleranceOverMeter;
|
}
|
},
|
|
/**
|
* @memberof UniformState.prototype
|
* @type {Pass}
|
*/
|
pass : {
|
get : function() {
|
return this._pass;
|
}
|
},
|
|
/**
|
* The current background color
|
* @memberof UniformState.prototype
|
* @type {Color}
|
*/
|
backgroundColor : {
|
get : function() {
|
return this._backgroundColor;
|
}
|
},
|
|
/**
|
* The look up texture used to find the BRDF for a material
|
* @memberof UniformState.prototype
|
* @type {Texture}
|
*/
|
brdfLut : {
|
get : function() {
|
return this._brdfLut;
|
}
|
},
|
|
/**
|
* The environment map of the scene
|
* @memberof UniformState.prototype
|
* @type {CubeMap}
|
*/
|
environmentMap : {
|
get : function() {
|
return this._environmentMap;
|
}
|
},
|
|
/**
|
* The spherical harmonic coefficients of the scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian3[]}
|
*/
|
sphericalHarmonicCoefficients : {
|
get : function() {
|
return this._sphericalHarmonicCoefficients;
|
}
|
},
|
|
/**
|
* The specular environment map atlas of the scene.
|
* @memberof UniformState.prototype
|
* @type {Texture}
|
*/
|
specularEnvironmentMaps : {
|
get : function() {
|
return this._specularEnvironmentMaps;
|
}
|
},
|
|
/**
|
* The dimensions of the specular environment map atlas of the scene.
|
* @memberof UniformState.prototype
|
* @type {Cartesian2}
|
*/
|
specularEnvironmentMapsDimensions : {
|
get : function() {
|
return this._specularEnvironmentMapsDimensions;
|
}
|
},
|
|
/**
|
* The maximum level-of-detail of the specular environment map atlas of the scene.
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
specularEnvironmentMapsMaximumLOD : {
|
get : function() {
|
return this._specularEnvironmentMapsMaximumLOD;
|
}
|
},
|
|
/**
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
imagerySplitPosition : {
|
get : function() {
|
return this._imagerySplitPosition;
|
}
|
},
|
|
/**
|
* The distance from the camera at which to disable the depth test of billboards, labels and points
|
* to, for example, prevent clipping against terrain. When set to zero, the depth test should always
|
* be applied. When less than zero, the depth test should never be applied.
|
*
|
* @memberof UniformState.prototype
|
* @type {Number}
|
*/
|
minimumDisableDepthTestDistance : {
|
get : function() {
|
return this._minimumDisableDepthTestDistance;
|
}
|
},
|
|
/**
|
* The highlight color of unclassified 3D Tiles.
|
*
|
* @memberof UniformState.prototype
|
* @type {Color}
|
*/
|
invertClassificationColor : {
|
get : function() {
|
return this._invertClassificationColor;
|
}
|
},
|
|
/**
|
* Whether or not the current projection is orthographic in 3D.
|
*
|
* @memberOf UniformState.prototype
|
* @type {Boolean}
|
*/
|
orthographicIn3D : {
|
get : function() {
|
return this._orthographicIn3D;
|
}
|
},
|
|
/**
|
* The current ellipsoid.
|
*
|
* @memberOf UniformState.prototype
|
* @type {Ellipsoid}
|
*/
|
ellipsoid : {
|
get : function() {
|
return defaultValue(this._ellipsoid, Ellipsoid.WGS84);
|
}
|
}
|
});
|
|
function setView(uniformState, matrix) {
|
Matrix4.clone(matrix, uniformState._view);
|
Matrix4.getMatrix3(matrix, uniformState._viewRotation);
|
|
uniformState._view3DDirty = true;
|
uniformState._inverseView3DDirty = true;
|
uniformState._modelViewDirty = true;
|
uniformState._modelView3DDirty = true;
|
uniformState._modelViewRelativeToEyeDirty = true;
|
uniformState._inverseModelViewDirty = true;
|
uniformState._inverseModelView3DDirty = true;
|
uniformState._viewProjectionDirty = true;
|
uniformState._inverseViewProjectionDirty = true;
|
uniformState._modelViewProjectionDirty = true;
|
uniformState._modelViewProjectionRelativeToEyeDirty = true;
|
uniformState._modelViewInfiniteProjectionDirty = true;
|
uniformState._normalDirty = true;
|
uniformState._inverseNormalDirty = true;
|
uniformState._normal3DDirty = true;
|
uniformState._inverseNormal3DDirty = true;
|
}
|
|
function setInverseView(uniformState, matrix) {
|
Matrix4.clone(matrix, uniformState._inverseView);
|
Matrix4.getMatrix3(matrix, uniformState._inverseViewRotation);
|
}
|
|
function setProjection(uniformState, matrix) {
|
Matrix4.clone(matrix, uniformState._projection);
|
|
uniformState._inverseProjectionDirty = true;
|
uniformState._viewProjectionDirty = true;
|
uniformState._inverseViewProjectionDirty = true;
|
uniformState._modelViewProjectionDirty = true;
|
uniformState._modelViewProjectionRelativeToEyeDirty = true;
|
}
|
|
function setInfiniteProjection(uniformState, matrix) {
|
Matrix4.clone(matrix, uniformState._infiniteProjection);
|
|
uniformState._modelViewInfiniteProjectionDirty = true;
|
}
|
|
function setCamera(uniformState, camera) {
|
Cartesian3.clone(camera.positionWC, uniformState._cameraPosition);
|
Cartesian3.clone(camera.directionWC, uniformState._cameraDirection);
|
Cartesian3.clone(camera.rightWC, uniformState._cameraRight);
|
Cartesian3.clone(camera.upWC, uniformState._cameraUp);
|
uniformState._encodedCameraPositionMCDirty = true;
|
}
|
|
var transformMatrix = new Matrix3();
|
var sunCartographicScratch = new Cartographic();
|
function setSunAndMoonDirections(uniformState, frameState) {
|
if (!defined(Transforms.computeIcrfToFixedMatrix(frameState.time, transformMatrix))) {
|
transformMatrix = Transforms.computeTemeToPseudoFixedMatrix(frameState.time, transformMatrix);
|
}
|
|
var position = Simon1994PlanetaryPositions.computeSunPositionInEarthInertialFrame(frameState.time, uniformState._sunPositionWC);
|
Matrix3.multiplyByVector(transformMatrix, position, position);
|
|
Cartesian3.normalize(position, uniformState._sunDirectionWC);
|
|
position = Matrix3.multiplyByVector(uniformState.viewRotation3D, position, uniformState._sunDirectionEC);
|
Cartesian3.normalize(position, position);
|
|
position = Simon1994PlanetaryPositions.computeMoonPositionInEarthInertialFrame(frameState.time, uniformState._moonDirectionEC);
|
Matrix3.multiplyByVector(transformMatrix, position, position);
|
Matrix3.multiplyByVector(uniformState.viewRotation3D, position, position);
|
Cartesian3.normalize(position, position);
|
|
var projection = frameState.mapProjection;
|
var ellipsoid = projection.ellipsoid;
|
var sunCartographic = ellipsoid.cartesianToCartographic(uniformState._sunPositionWC, sunCartographicScratch);
|
projection.project(sunCartographic, uniformState._sunPositionColumbusView);
|
}
|
|
/**
|
* Synchronizes the frustum's state with the camera state. This is called
|
* by the {@link Scene} when rendering to ensure that automatic GLSL uniforms
|
* are set to the right value.
|
*
|
* @param {Object} camera The camera to synchronize with.
|
*/
|
UniformState.prototype.updateCamera = function(camera) {
|
setView(this, camera.viewMatrix);
|
setInverseView(this, camera.inverseViewMatrix);
|
setCamera(this, camera);
|
|
this._entireFrustum.x = camera.frustum.near;
|
this._entireFrustum.y = camera.frustum.far;
|
this.updateFrustum(camera.frustum);
|
|
this._orthographicIn3D = this._mode !== SceneMode.SCENE2D && camera.frustum instanceof OrthographicFrustum;
|
};
|
|
/**
|
* Synchronizes the frustum's state with the uniform state. This is called
|
* by the {@link Scene} when rendering to ensure that automatic GLSL uniforms
|
* are set to the right value.
|
*
|
* @param {Object} frustum The frustum to synchronize with.
|
*/
|
UniformState.prototype.updateFrustum = function(frustum) {
|
setProjection(this, frustum.projectionMatrix);
|
if (defined(frustum.infiniteProjectionMatrix)) {
|
setInfiniteProjection(this, frustum.infiniteProjectionMatrix);
|
}
|
this._currentFrustum.x = frustum.near;
|
this._currentFrustum.y = frustum.far;
|
|
this._farDepthFromNearPlusOne = (frustum.far - frustum.near) + 1.0;
|
this._log2FarDepthFromNearPlusOne = CesiumMath.log2(this._farDepthFromNearPlusOne);
|
this._oneOverLog2FarDepthFromNearPlusOne = 1.0 / this._log2FarDepthFromNearPlusOne;
|
|
if (defined(frustum._offCenterFrustum)) {
|
frustum = frustum._offCenterFrustum;
|
}
|
|
this._frustumPlanes.x = frustum.top;
|
this._frustumPlanes.y = frustum.bottom;
|
this._frustumPlanes.z = frustum.left;
|
this._frustumPlanes.w = frustum.right;
|
};
|
|
UniformState.prototype.updatePass = function(pass) {
|
this._pass = pass;
|
};
|
|
var EMPTY_ARRAY = [];
|
var defaultLight = new SunLight();
|
|
/**
|
* Synchronizes frame state with the uniform state. This is called
|
* by the {@link Scene} when rendering to ensure that automatic GLSL uniforms
|
* are set to the right value.
|
*
|
* @param {FrameState} frameState The frameState to synchronize with.
|
*/
|
UniformState.prototype.update = function(frameState) {
|
this._mode = frameState.mode;
|
this._mapProjection = frameState.mapProjection;
|
this._ellipsoid = frameState.mapProjection.ellipsoid;
|
this._pixelRatio = frameState.pixelRatio;
|
|
var camera = frameState.camera;
|
this.updateCamera(camera);
|
|
if (frameState.mode === SceneMode.SCENE2D) {
|
this._frustum2DWidth = camera.frustum.right - camera.frustum.left;
|
this._eyeHeight2D.x = this._frustum2DWidth * 0.5;
|
this._eyeHeight2D.y = this._eyeHeight2D.x * this._eyeHeight2D.x;
|
} else {
|
this._frustum2DWidth = 0.0;
|
this._eyeHeight2D.x = 0.0;
|
this._eyeHeight2D.y = 0.0;
|
}
|
|
setSunAndMoonDirections(this, frameState);
|
|
var light = defaultValue(frameState.light, defaultLight);
|
if (light instanceof SunLight) {
|
this._lightDirectionWC = Cartesian3.clone(this._sunDirectionWC, this._lightDirectionWC);
|
this._lightDirectionEC = Cartesian3.clone(this._sunDirectionEC, this._lightDirectionEC);
|
} else {
|
this._lightDirectionWC = Cartesian3.normalize(Cartesian3.negate(light.direction, this._lightDirectionWC), this._lightDirectionWC);
|
this._lightDirectionEC = Matrix3.multiplyByVector(this.viewRotation3D, this._lightDirectionWC, this._lightDirectionEC);
|
}
|
|
var lightColor = light.color;
|
var lightColorHdr = Cartesian3.fromElements(lightColor.red, lightColor.green, lightColor.blue, this._lightColorHdr);
|
lightColorHdr = Cartesian3.multiplyByScalar(lightColorHdr, light.intensity, lightColorHdr);
|
var maximumComponent = Cartesian3.maximumComponent(lightColorHdr);
|
if (maximumComponent > 1.0) {
|
Cartesian3.divideByScalar(lightColorHdr, maximumComponent, this._lightColor);
|
} else {
|
Cartesian3.clone(lightColorHdr, this._lightColor);
|
}
|
|
var brdfLutGenerator = frameState.brdfLutGenerator;
|
var brdfLut = defined(brdfLutGenerator) ? brdfLutGenerator.colorTexture : undefined;
|
this._brdfLut = brdfLut;
|
|
this._environmentMap = defaultValue(frameState.environmentMap, frameState.context.defaultCubeMap);
|
|
// IE 11 doesn't optimize out uniforms that are #ifdef'd out. So undefined values for the spherical harmonic
|
// coefficients and specular environment map atlas dimensions cause a crash.
|
this._sphericalHarmonicCoefficients = defaultValue(frameState.sphericalHarmonicCoefficients, EMPTY_ARRAY);
|
this._specularEnvironmentMaps = frameState.specularEnvironmentMaps;
|
this._specularEnvironmentMapsMaximumLOD = frameState.specularEnvironmentMapsMaximumLOD;
|
|
if (defined(this._specularEnvironmentMaps)) {
|
Cartesian2.clone(this._specularEnvironmentMaps.dimensions, this._specularEnvironmentMapsDimensions);
|
}
|
|
this._fogDensity = frameState.fog.density;
|
|
this._invertClassificationColor = frameState.invertClassificationColor;
|
|
this._frameState = frameState;
|
this._temeToPseudoFixed = Transforms.computeTemeToPseudoFixedMatrix(frameState.time, this._temeToPseudoFixed);
|
|
// Convert the relative imagerySplitPosition to absolute pixel coordinates
|
this._imagerySplitPosition = frameState.imagerySplitPosition * frameState.context.drawingBufferWidth;
|
var fov = camera.frustum.fov;
|
var viewport = this._viewport;
|
var pixelSizePerMeter;
|
if (viewport.height > viewport.width) {
|
pixelSizePerMeter = Math.tan(0.5 * fov) * 2.0 / viewport.height;
|
} else {
|
pixelSizePerMeter = Math.tan(0.5 * fov) * 2.0 / viewport.width;
|
}
|
|
this._geometricToleranceOverMeter = pixelSizePerMeter * frameState.maximumScreenSpaceError;
|
Color.clone(frameState.backgroundColor, this._backgroundColor);
|
|
this._minimumDisableDepthTestDistance = frameState.minimumDisableDepthTestDistance;
|
this._minimumDisableDepthTestDistance *= this._minimumDisableDepthTestDistance;
|
if (this._minimumDisableDepthTestDistance === Number.POSITIVE_INFINITY) {
|
this._minimumDisableDepthTestDistance = -1.0;
|
}
|
};
|
|
function cleanViewport(uniformState) {
|
if (uniformState._viewportDirty) {
|
var v = uniformState._viewport;
|
Matrix4.computeOrthographicOffCenter(v.x, v.x + v.width, v.y, v.y + v.height, 0.0, 1.0, uniformState._viewportOrthographicMatrix);
|
Matrix4.computeViewportTransformation(v, 0.0, 1.0, uniformState._viewportTransformation);
|
uniformState._viewportDirty = false;
|
}
|
}
|
|
function cleanInverseProjection(uniformState) {
|
if (uniformState._inverseProjectionDirty) {
|
uniformState._inverseProjectionDirty = false;
|
|
if (uniformState._mode !== SceneMode.SCENE2D && uniformState._mode !== SceneMode.MORPHING && !uniformState._orthographicIn3D) {
|
Matrix4.inverse(uniformState._projection, uniformState._inverseProjection);
|
} else {
|
Matrix4.clone(Matrix4.ZERO, uniformState._inverseProjection);
|
}
|
}
|
}
|
|
// Derived
|
function cleanModelView(uniformState) {
|
if (uniformState._modelViewDirty) {
|
uniformState._modelViewDirty = false;
|
|
Matrix4.multiplyTransformation(uniformState._view, uniformState._model, uniformState._modelView);
|
}
|
}
|
|
function cleanModelView3D(uniformState) {
|
if (uniformState._modelView3DDirty) {
|
uniformState._modelView3DDirty = false;
|
|
Matrix4.multiplyTransformation(uniformState.view3D, uniformState._model, uniformState._modelView3D);
|
}
|
}
|
|
function cleanInverseModelView(uniformState) {
|
if (uniformState._inverseModelViewDirty) {
|
uniformState._inverseModelViewDirty = false;
|
|
Matrix4.inverse(uniformState.modelView, uniformState._inverseModelView);
|
}
|
}
|
|
function cleanInverseModelView3D(uniformState) {
|
if (uniformState._inverseModelView3DDirty) {
|
uniformState._inverseModelView3DDirty = false;
|
|
Matrix4.inverse(uniformState.modelView3D, uniformState._inverseModelView3D);
|
}
|
}
|
|
function cleanViewProjection(uniformState) {
|
if (uniformState._viewProjectionDirty) {
|
uniformState._viewProjectionDirty = false;
|
|
Matrix4.multiply(uniformState._projection, uniformState._view, uniformState._viewProjection);
|
}
|
}
|
|
function cleanInverseViewProjection(uniformState) {
|
if (uniformState._inverseViewProjectionDirty) {
|
uniformState._inverseViewProjectionDirty = false;
|
|
Matrix4.inverse(uniformState.viewProjection, uniformState._inverseViewProjection);
|
}
|
}
|
|
function cleanModelViewProjection(uniformState) {
|
if (uniformState._modelViewProjectionDirty) {
|
uniformState._modelViewProjectionDirty = false;
|
|
Matrix4.multiply(uniformState._projection, uniformState.modelView, uniformState._modelViewProjection);
|
}
|
}
|
|
function cleanModelViewRelativeToEye(uniformState) {
|
if (uniformState._modelViewRelativeToEyeDirty) {
|
uniformState._modelViewRelativeToEyeDirty = false;
|
|
var mv = uniformState.modelView;
|
var mvRte = uniformState._modelViewRelativeToEye;
|
mvRte[0] = mv[0];
|
mvRte[1] = mv[1];
|
mvRte[2] = mv[2];
|
mvRte[3] = mv[3];
|
mvRte[4] = mv[4];
|
mvRte[5] = mv[5];
|
mvRte[6] = mv[6];
|
mvRte[7] = mv[7];
|
mvRte[8] = mv[8];
|
mvRte[9] = mv[9];
|
mvRte[10] = mv[10];
|
mvRte[11] = mv[11];
|
mvRte[12] = 0.0;
|
mvRte[13] = 0.0;
|
mvRte[14] = 0.0;
|
mvRte[15] = mv[15];
|
}
|
}
|
|
function cleanInverseModelViewProjection(uniformState) {
|
if (uniformState._inverseModelViewProjectionDirty) {
|
uniformState._inverseModelViewProjectionDirty = false;
|
|
Matrix4.inverse(uniformState.modelViewProjection, uniformState._inverseModelViewProjection);
|
}
|
}
|
|
function cleanModelViewProjectionRelativeToEye(uniformState) {
|
if (uniformState._modelViewProjectionRelativeToEyeDirty) {
|
uniformState._modelViewProjectionRelativeToEyeDirty = false;
|
|
Matrix4.multiply(uniformState._projection, uniformState.modelViewRelativeToEye, uniformState._modelViewProjectionRelativeToEye);
|
}
|
}
|
|
function cleanModelViewInfiniteProjection(uniformState) {
|
if (uniformState._modelViewInfiniteProjectionDirty) {
|
uniformState._modelViewInfiniteProjectionDirty = false;
|
|
Matrix4.multiply(uniformState._infiniteProjection, uniformState.modelView, uniformState._modelViewInfiniteProjection);
|
}
|
}
|
|
function cleanNormal(uniformState) {
|
if (uniformState._normalDirty) {
|
uniformState._normalDirty = false;
|
|
var m = uniformState._normal;
|
Matrix4.getMatrix3(uniformState.inverseModelView, m);
|
Matrix3.getRotation(m, m);
|
Matrix3.transpose(m, m);
|
}
|
}
|
|
function cleanNormal3D(uniformState) {
|
if (uniformState._normal3DDirty) {
|
uniformState._normal3DDirty = false;
|
|
var m = uniformState._normal3D;
|
Matrix4.getMatrix3(uniformState.inverseModelView3D, m);
|
Matrix3.getRotation(m, m);
|
Matrix3.transpose(m, m);
|
}
|
}
|
|
function cleanInverseNormal(uniformState) {
|
if (uniformState._inverseNormalDirty) {
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uniformState._inverseNormalDirty = false;
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Matrix4.getMatrix3(uniformState.inverseModelView, uniformState._inverseNormal);
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Matrix3.getRotation(uniformState._inverseNormal, uniformState._inverseNormal);
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}
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}
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function cleanInverseNormal3D(uniformState) {
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if (uniformState._inverseNormal3DDirty) {
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uniformState._inverseNormal3DDirty = false;
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Matrix4.getMatrix3(uniformState.inverseModelView3D, uniformState._inverseNormal3D);
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Matrix3.getRotation(uniformState._inverseNormal3D, uniformState._inverseNormal3D);
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}
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}
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var cameraPositionMC = new Cartesian3();
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function cleanEncodedCameraPositionMC(uniformState) {
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if (uniformState._encodedCameraPositionMCDirty) {
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uniformState._encodedCameraPositionMCDirty = false;
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Matrix4.multiplyByPoint(uniformState.inverseModel, uniformState._cameraPosition, cameraPositionMC);
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EncodedCartesian3.fromCartesian(cameraPositionMC, uniformState._encodedCameraPositionMC);
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}
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}
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var view2Dto3DPScratch = new Cartesian3();
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var view2Dto3DRScratch = new Cartesian3();
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var view2Dto3DUScratch = new Cartesian3();
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var view2Dto3DDScratch = new Cartesian3();
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var view2Dto3DCartographicScratch = new Cartographic();
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var view2Dto3DCartesian3Scratch = new Cartesian3();
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var view2Dto3DMatrix4Scratch = new Matrix4();
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function view2Dto3D(position2D, direction2D, right2D, up2D, frustum2DWidth, mode, projection, result) {
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// The camera position and directions are expressed in the 2D coordinate system where the Y axis is to the East,
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// the Z axis is to the North, and the X axis is out of the map. Express them instead in the ENU axes where
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// X is to the East, Y is to the North, and Z is out of the local horizontal plane.
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var p = view2Dto3DPScratch;
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p.x = position2D.y;
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p.y = position2D.z;
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p.z = position2D.x;
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var r = view2Dto3DRScratch;
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r.x = right2D.y;
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r.y = right2D.z;
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r.z = right2D.x;
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var u = view2Dto3DUScratch;
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u.x = up2D.y;
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u.y = up2D.z;
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u.z = up2D.x;
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var d = view2Dto3DDScratch;
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d.x = direction2D.y;
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d.y = direction2D.z;
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d.z = direction2D.x;
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// In 2D, the camera height is always 12.7 million meters.
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// The apparent height is equal to half the frustum width.
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if (mode === SceneMode.SCENE2D) {
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p.z = frustum2DWidth * 0.5;
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}
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// Compute the equivalent camera position in the real (3D) world.
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// In 2D and Columbus View, the camera can travel outside the projection, and when it does so
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// there's not really any corresponding location in the real world. So clamp the unprojected
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// longitude and latitude to their valid ranges.
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var cartographic = projection.unproject(p, view2Dto3DCartographicScratch);
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cartographic.longitude = CesiumMath.clamp(cartographic.longitude, -Math.PI, Math.PI);
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cartographic.latitude = CesiumMath.clamp(cartographic.latitude, -CesiumMath.PI_OVER_TWO, CesiumMath.PI_OVER_TWO);
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var ellipsoid = projection.ellipsoid;
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var position3D = ellipsoid.cartographicToCartesian(cartographic, view2Dto3DCartesian3Scratch);
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// Compute the rotation from the local ENU at the real world camera position to the fixed axes.
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var enuToFixed = Transforms.eastNorthUpToFixedFrame(position3D, ellipsoid, view2Dto3DMatrix4Scratch);
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// Transform each camera direction to the fixed axes.
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Matrix4.multiplyByPointAsVector(enuToFixed, r, r);
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Matrix4.multiplyByPointAsVector(enuToFixed, u, u);
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Matrix4.multiplyByPointAsVector(enuToFixed, d, d);
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// Compute the view matrix based on the new fixed-frame camera position and directions.
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if (!defined(result)) {
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result = new Matrix4();
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}
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result[0] = r.x;
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result[1] = u.x;
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result[2] = -d.x;
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result[3] = 0.0;
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result[4] = r.y;
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result[5] = u.y;
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result[6] = -d.y;
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result[7] = 0.0;
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result[8] = r.z;
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result[9] = u.z;
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result[10] = -d.z;
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result[11] = 0.0;
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result[12] = -Cartesian3.dot(r, position3D);
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result[13] = -Cartesian3.dot(u, position3D);
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result[14] = Cartesian3.dot(d, position3D);
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result[15] = 1.0;
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return result;
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}
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function updateView3D(that) {
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if (that._view3DDirty) {
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if (that._mode === SceneMode.SCENE3D) {
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Matrix4.clone(that._view, that._view3D);
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} else {
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view2Dto3D(that._cameraPosition, that._cameraDirection, that._cameraRight, that._cameraUp, that._frustum2DWidth, that._mode, that._mapProjection, that._view3D);
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}
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Matrix4.getMatrix3(that._view3D, that._viewRotation3D);
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that._view3DDirty = false;
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}
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}
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function updateInverseView3D(that){
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if (that._inverseView3DDirty) {
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Matrix4.inverseTransformation(that.view3D, that._inverseView3D);
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Matrix4.getMatrix3(that._inverseView3D, that._inverseViewRotation3D);
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that._inverseView3DDirty = false;
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}
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}
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export default UniformState;
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