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- import Cartesian3 from '../Core/Cartesian3.js';
- import Check from '../Core/Check.js';
- import Color from '../Core/Color.js';
- import ColorGeometryInstanceAttribute from '../Core/ColorGeometryInstanceAttribute.js';
- import defaultValue from '../Core/defaultValue.js';
- import defined from '../Core/defined.js';
- import defineProperties from '../Core/defineProperties.js';
- import DistanceDisplayCondition from '../Core/DistanceDisplayCondition.js';
- import DistanceDisplayConditionGeometryInstanceAttribute from '../Core/DistanceDisplayConditionGeometryInstanceAttribute.js';
- import EllipsoidGeometry from '../Core/EllipsoidGeometry.js';
- import EllipsoidOutlineGeometry from '../Core/EllipsoidOutlineGeometry.js';
- import GeometryInstance from '../Core/GeometryInstance.js';
- import GeometryOffsetAttribute from '../Core/GeometryOffsetAttribute.js';
- import Iso8601 from '../Core/Iso8601.js';
- import Matrix4 from '../Core/Matrix4.js';
- import OffsetGeometryInstanceAttribute from '../Core/OffsetGeometryInstanceAttribute.js';
- import ShowGeometryInstanceAttribute from '../Core/ShowGeometryInstanceAttribute.js';
- import HeightReference from '../Scene/HeightReference.js';
- import MaterialAppearance from '../Scene/MaterialAppearance.js';
- import PerInstanceColorAppearance from '../Scene/PerInstanceColorAppearance.js';
- import Primitive from '../Scene/Primitive.js';
- import SceneMode from '../Scene/SceneMode.js';
- import ColorMaterialProperty from './ColorMaterialProperty.js';
- import DynamicGeometryUpdater from './DynamicGeometryUpdater.js';
- import GeometryUpdater from './GeometryUpdater.js';
- import heightReferenceOnEntityPropertyChanged from './heightReferenceOnEntityPropertyChanged.js';
- import MaterialProperty from './MaterialProperty.js';
- import Property from './Property.js';
- var defaultMaterial = new ColorMaterialProperty(Color.WHITE);
- var defaultOffset = Cartesian3.ZERO;
- var offsetScratch = new Cartesian3();
- var radiiScratch = new Cartesian3();
- var innerRadiiScratch = new Cartesian3();
- var scratchColor = new Color();
- var unitSphere = new Cartesian3(1, 1, 1);
- function EllipsoidGeometryOptions(entity) {
- this.id = entity;
- this.vertexFormat = undefined;
- this.radii = undefined;
- this.innerRadii = undefined;
- this.minimumClock = undefined;
- this.maximumClock = undefined;
- this.minimumCone = undefined;
- this.maximumCone = undefined;
- this.stackPartitions = undefined;
- this.slicePartitions = undefined;
- this.subdivisions = undefined;
- this.offsetAttribute = undefined;
- }
- /**
- * A {@link GeometryUpdater} for ellipsoids.
- * Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
- * @alias EllipsoidGeometryUpdater
- * @constructor
- *
- * @param {Entity} entity The entity containing the geometry to be visualized.
- * @param {Scene} scene The scene where visualization is taking place.
- */
- function EllipsoidGeometryUpdater(entity, scene) {
- GeometryUpdater.call(this, {
- entity : entity,
- scene : scene,
- geometryOptions : new EllipsoidGeometryOptions(entity),
- geometryPropertyName : 'ellipsoid',
- observedPropertyNames : ['availability', 'position', 'orientation', 'ellipsoid']
- });
- this._onEntityPropertyChanged(entity, 'ellipsoid', entity.ellipsoid, undefined);
- }
- if (defined(Object.create)) {
- EllipsoidGeometryUpdater.prototype = Object.create(GeometryUpdater.prototype);
- EllipsoidGeometryUpdater.prototype.constructor = EllipsoidGeometryUpdater;
- }
- defineProperties(EllipsoidGeometryUpdater.prototype, {
- /**
- * Gets the terrain offset property
- * @type {TerrainOffsetProperty}
- * @memberof EllipsoidGeometryUpdater.prototype
- * @readonly
- */
- terrainOffsetProperty : {
- get : function() {
- return this._terrainOffsetProperty;
- }
- }
- });
- /**
- * Creates the geometry instance which represents the fill of the geometry.
- *
- * @param {JulianDate} time The time to use when retrieving initial attribute values.
- * @param {Boolean} [skipModelMatrix=false] Whether to compute a model matrix for the geometry instance
- * @param {Matrix4} [modelMatrixResult] Used to store the result of the model matrix calculation
- * @returns {GeometryInstance} The geometry instance representing the filled portion of the geometry.
- *
- * @exception {DeveloperError} This instance does not represent a filled geometry.
- */
- EllipsoidGeometryUpdater.prototype.createFillGeometryInstance = function(time, skipModelMatrix, modelMatrixResult) {
- //>>includeStart('debug', pragmas.debug);
- Check.defined('time', time);
- //>>includeEnd('debug');
- var entity = this._entity;
- var isAvailable = entity.isAvailable(time);
- var color;
- var show = new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._fillProperty.getValue(time));
- var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(time);
- var distanceDisplayConditionAttribute = DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition);
- var attributes = {
- show : show,
- distanceDisplayCondition : distanceDisplayConditionAttribute,
- color : undefined,
- offset : undefined
- };
- if (this._materialProperty instanceof ColorMaterialProperty) {
- var currentColor;
- if (defined(this._materialProperty.color) && (this._materialProperty.color.isConstant || isAvailable)) {
- currentColor = this._materialProperty.color.getValue(time, scratchColor);
- }
- if (!defined(currentColor)) {
- currentColor = Color.WHITE;
- }
- color = ColorGeometryInstanceAttribute.fromColor(currentColor);
- attributes.color = color;
- }
- if (defined(this._options.offsetAttribute)) {
- attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch));
- }
- return new GeometryInstance({
- id : entity,
- geometry : new EllipsoidGeometry(this._options),
- modelMatrix : skipModelMatrix ? undefined : entity.computeModelMatrixForHeightReference(time, entity.ellipsoid.heightReference, this._options.radii.z * 0.5, this._scene.mapProjection.ellipsoid, modelMatrixResult),
- attributes : attributes
- });
- };
- /**
- * Creates the geometry instance which represents the outline of the geometry.
- *
- * @param {JulianDate} time The time to use when retrieving initial attribute values.
- * @param {Boolean} [skipModelMatrix=false] Whether to compute a model matrix for the geometry instance
- * @param {Matrix4} [modelMatrixResult] Used to store the result of the model matrix calculation
- * @returns {GeometryInstance} The geometry instance representing the outline portion of the geometry.
- *
- * @exception {DeveloperError} This instance does not represent an outlined geometry.
- */
- EllipsoidGeometryUpdater.prototype.createOutlineGeometryInstance = function(time, skipModelMatrix, modelMatrixResult) {
- //>>includeStart('debug', pragmas.debug);
- Check.defined('time', time);
- //>>includeEnd('debug');
- var entity = this._entity;
- var isAvailable = entity.isAvailable(time);
- var outlineColor = Property.getValueOrDefault(this._outlineColorProperty, time, Color.BLACK, scratchColor);
- var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(time);
- var attributes = {
- show : new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._showOutlineProperty.getValue(time)),
- color : ColorGeometryInstanceAttribute.fromColor(outlineColor),
- distanceDisplayCondition : DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition),
- offset : undefined
- };
- if (defined(this._options.offsetAttribute)) {
- attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch));
- }
- return new GeometryInstance({
- id : entity,
- geometry : new EllipsoidOutlineGeometry(this._options),
- modelMatrix : skipModelMatrix ? undefined : entity.computeModelMatrixForHeightReference(time, entity.ellipsoid.heightReference, this._options.radii.z * 0.5, this._scene.mapProjection.ellipsoid, modelMatrixResult),
- attributes : attributes
- });
- };
- EllipsoidGeometryUpdater.prototype._computeCenter = function(time, result) {
- return Property.getValueOrUndefined(this._entity.position, time, result);
- };
- EllipsoidGeometryUpdater.prototype._isHidden = function(entity, ellipsoid) {
- return !defined(entity.position) || !defined(ellipsoid.radii) || GeometryUpdater.prototype._isHidden.call(this, entity, ellipsoid);
- };
- EllipsoidGeometryUpdater.prototype._isDynamic = function(entity, ellipsoid) {
- return !entity.position.isConstant || //
- !Property.isConstant(entity.orientation) || //
- !ellipsoid.radii.isConstant || //
- !Property.isConstant(ellipsoid.innerRadii) || //
- !Property.isConstant(ellipsoid.stackPartitions) || //
- !Property.isConstant(ellipsoid.slicePartitions) || //
- !Property.isConstant(ellipsoid.outlineWidth) || //
- !Property.isConstant(ellipsoid.minimumClock) || //
- !Property.isConstant(ellipsoid.maximumClock) || //
- !Property.isConstant(ellipsoid.minimumCone) || //
- !Property.isConstant(ellipsoid.maximumCone) || //
- !Property.isConstant(ellipsoid.subdivisions);
- };
- EllipsoidGeometryUpdater.prototype._setStaticOptions = function(entity, ellipsoid) {
- var heightReference = Property.getValueOrDefault(ellipsoid.heightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE);
- var options = this._options;
- options.vertexFormat = this._materialProperty instanceof ColorMaterialProperty ? PerInstanceColorAppearance.VERTEX_FORMAT : MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat;
- options.radii = ellipsoid.radii.getValue(Iso8601.MINIMUM_VALUE, options.radii);
- options.innerRadii = Property.getValueOrUndefined(ellipsoid.innerRadii, options.radii);
- options.minimumClock = Property.getValueOrUndefined(ellipsoid.minimumClock, Iso8601.MINIMUM_VALUE);
- options.maximumClock = Property.getValueOrUndefined(ellipsoid.maximumClock, Iso8601.MINIMUM_VALUE);
- options.minimumCone = Property.getValueOrUndefined(ellipsoid.minimumCone, Iso8601.MINIMUM_VALUE);
- options.maximumCone = Property.getValueOrUndefined(ellipsoid.maximumCone, Iso8601.MINIMUM_VALUE);
- options.stackPartitions = Property.getValueOrUndefined(ellipsoid.stackPartitions, Iso8601.MINIMUM_VALUE);
- options.slicePartitions = Property.getValueOrUndefined(ellipsoid.slicePartitions, Iso8601.MINIMUM_VALUE);
- options.subdivisions = Property.getValueOrUndefined(ellipsoid.subdivisions, Iso8601.MINIMUM_VALUE);
- options.offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : undefined;
- };
- EllipsoidGeometryUpdater.prototype._onEntityPropertyChanged = heightReferenceOnEntityPropertyChanged;
- EllipsoidGeometryUpdater.DynamicGeometryUpdater = DynamicEllipsoidGeometryUpdater;
- /**
- * @private
- */
- function DynamicEllipsoidGeometryUpdater(geometryUpdater, primitives, groundPrimitives) {
- DynamicGeometryUpdater.call(this, geometryUpdater, primitives, groundPrimitives);
- this._scene = geometryUpdater._scene;
- this._modelMatrix = new Matrix4();
- this._attributes = undefined;
- this._outlineAttributes = undefined;
- this._lastSceneMode = undefined;
- this._lastShow = undefined;
- this._lastOutlineShow = undefined;
- this._lastOutlineWidth = undefined;
- this._lastOutlineColor = undefined;
- this._lastOffset = new Cartesian3();
- this._material = {};
- }
- if (defined(Object.create)) {
- DynamicEllipsoidGeometryUpdater.prototype = Object.create(DynamicGeometryUpdater.prototype);
- DynamicEllipsoidGeometryUpdater.prototype.constructor = DynamicEllipsoidGeometryUpdater;
- }
- DynamicEllipsoidGeometryUpdater.prototype.update = function(time) {
- //>>includeStart('debug', pragmas.debug);
- Check.defined('time', time);
- //>>includeEnd('debug');
- var entity = this._entity;
- var ellipsoid = entity.ellipsoid;
- if (!entity.isShowing || !entity.isAvailable(time) || !Property.getValueOrDefault(ellipsoid.show, time, true)) {
- if (defined(this._primitive)) {
- this._primitive.show = false;
- }
- if (defined(this._outlinePrimitive)) {
- this._outlinePrimitive.show = false;
- }
- return;
- }
- var radii = Property.getValueOrUndefined(ellipsoid.radii, time, radiiScratch);
- var modelMatrix = defined(radii) ? entity.computeModelMatrixForHeightReference(time, ellipsoid.heightReference, radii.z * 0.5, this._scene.mapProjection.ellipsoid, this._modelMatrix) : undefined;
- if (!defined(modelMatrix) || !defined(radii)) {
- if (defined(this._primitive)) {
- this._primitive.show = false;
- }
- if (defined(this._outlinePrimitive)) {
- this._outlinePrimitive.show = false;
- }
- return;
- }
- //Compute attributes and material.
- var showFill = Property.getValueOrDefault(ellipsoid.fill, time, true);
- var showOutline = Property.getValueOrDefault(ellipsoid.outline, time, false);
- var outlineColor = Property.getValueOrClonedDefault(ellipsoid.outlineColor, time, Color.BLACK, scratchColor);
- var material = MaterialProperty.getValue(time, defaultValue(ellipsoid.material, defaultMaterial), this._material);
- // Check properties that could trigger a primitive rebuild.
- var innerRadii = Property.getValueOrUndefined(ellipsoid.innerRadii, time, innerRadiiScratch);
- var minimumClock = Property.getValueOrUndefined(ellipsoid.minimumClock, time);
- var maximumClock = Property.getValueOrUndefined(ellipsoid.maximumClock, time);
- var minimumCone = Property.getValueOrUndefined(ellipsoid.minimumCone, time);
- var maximumCone = Property.getValueOrUndefined(ellipsoid.maximumCone, time);
- var stackPartitions = Property.getValueOrUndefined(ellipsoid.stackPartitions, time);
- var slicePartitions = Property.getValueOrUndefined(ellipsoid.slicePartitions, time);
- var subdivisions = Property.getValueOrUndefined(ellipsoid.subdivisions, time);
- var outlineWidth = Property.getValueOrDefault(ellipsoid.outlineWidth, time, 1.0);
- var heightReference = Property.getValueOrDefault(ellipsoid.heightReference, time, HeightReference.NONE);
- var offsetAttribute = heightReference !== HeightReference.NONE ? GeometryOffsetAttribute.ALL : undefined;
- //In 3D we use a fast path by modifying Primitive.modelMatrix instead of regenerating the primitive every frame.
- //Also check for height reference because this method doesn't work when the height is relative to terrain.
- var sceneMode = this._scene.mode;
- var in3D = sceneMode === SceneMode.SCENE3D && heightReference === HeightReference.NONE;
- var options = this._options;
- var shadows = this._geometryUpdater.shadowsProperty.getValue(time);
- var distanceDisplayConditionProperty = this._geometryUpdater.distanceDisplayConditionProperty;
- var distanceDisplayCondition = distanceDisplayConditionProperty.getValue(time);
- var offset = Property.getValueOrDefault(this._geometryUpdater.terrainOffsetProperty, time, defaultOffset, offsetScratch);
- //We only rebuild the primitive if something other than the radii has changed
- //For the radii, we use unit sphere and then deform it with a scale matrix.
- var rebuildPrimitives = !in3D || this._lastSceneMode !== sceneMode || !defined(this._primitive) || //
- options.stackPartitions !== stackPartitions || options.slicePartitions !== slicePartitions || //
- defined(innerRadii) && !Cartesian3.equals(options.innerRadii !== innerRadii) || options.minimumClock !== minimumClock || //
- options.maximumClock !== maximumClock || options.minimumCone !== minimumCone || //
- options.maximumCone !== maximumCone || options.subdivisions !== subdivisions || //
- this._lastOutlineWidth !== outlineWidth || options.offsetAttribute !== offsetAttribute;
- if (rebuildPrimitives) {
- var primitives = this._primitives;
- primitives.removeAndDestroy(this._primitive);
- primitives.removeAndDestroy(this._outlinePrimitive);
- this._primitive = undefined;
- this._outlinePrimitive = undefined;
- this._lastSceneMode = sceneMode;
- this._lastOutlineWidth = outlineWidth;
- options.stackPartitions = stackPartitions;
- options.slicePartitions = slicePartitions;
- options.subdivisions = subdivisions;
- options.offsetAttribute = offsetAttribute;
- options.radii = Cartesian3.clone(in3D ? unitSphere : radii, options.radii);
- if (defined(innerRadii)) {
- if (in3D) {
- var mag = Cartesian3.magnitude(radii);
- options.innerRadii = Cartesian3.fromElements(innerRadii.x / mag, innerRadii.y / mag, innerRadii.z / mag, options.innerRadii);
- } else {
- options.innerRadii = Cartesian3.clone(innerRadii, options.innerRadii);
- }
- } else {
- options.innerRadii = undefined;
- }
- options.minimumClock = minimumClock;
- options.maximumClock = maximumClock;
- options.minimumCone = minimumCone;
- options.maximumCone = maximumCone;
- var appearance = new MaterialAppearance({
- material : material,
- translucent : material.isTranslucent(),
- closed : true
- });
- options.vertexFormat = appearance.vertexFormat;
- var fillInstance = this._geometryUpdater.createFillGeometryInstance(time, in3D, this._modelMatrix);
- this._primitive = primitives.add(new Primitive({
- geometryInstances : fillInstance,
- appearance : appearance,
- asynchronous : false,
- shadows : shadows
- }));
- var outlineInstance = this._geometryUpdater.createOutlineGeometryInstance(time, in3D, this._modelMatrix);
- this._outlinePrimitive = primitives.add(new Primitive({
- geometryInstances : outlineInstance,
- appearance : new PerInstanceColorAppearance({
- flat : true,
- translucent : outlineInstance.attributes.color.value[3] !== 255,
- renderState : {
- lineWidth : this._geometryUpdater._scene.clampLineWidth(outlineWidth)
- }
- }),
- asynchronous : false,
- shadows : shadows
- }));
- this._lastShow = showFill;
- this._lastOutlineShow = showOutline;
- this._lastOutlineColor = Color.clone(outlineColor, this._lastOutlineColor);
- this._lastDistanceDisplayCondition = distanceDisplayCondition;
- this._lastOffset = Cartesian3.clone(offset, this._lastOffset);
- } else if (this._primitive.ready) {
- //Update attributes only.
- var primitive = this._primitive;
- var outlinePrimitive = this._outlinePrimitive;
- primitive.show = true;
- outlinePrimitive.show = true;
- primitive.appearance.material = material;
- var attributes = this._attributes;
- if (!defined(attributes)) {
- attributes = primitive.getGeometryInstanceAttributes(entity);
- this._attributes = attributes;
- }
- if (showFill !== this._lastShow) {
- attributes.show = ShowGeometryInstanceAttribute.toValue(showFill, attributes.show);
- this._lastShow = showFill;
- }
- var outlineAttributes = this._outlineAttributes;
- if (!defined(outlineAttributes)) {
- outlineAttributes = outlinePrimitive.getGeometryInstanceAttributes(entity);
- this._outlineAttributes = outlineAttributes;
- }
- if (showOutline !== this._lastOutlineShow) {
- outlineAttributes.show = ShowGeometryInstanceAttribute.toValue(showOutline, outlineAttributes.show);
- this._lastOutlineShow = showOutline;
- }
- if (!Color.equals(outlineColor, this._lastOutlineColor)) {
- outlineAttributes.color = ColorGeometryInstanceAttribute.toValue(outlineColor, outlineAttributes.color);
- Color.clone(outlineColor, this._lastOutlineColor);
- }
- if (!DistanceDisplayCondition.equals(distanceDisplayCondition, this._lastDistanceDisplayCondition)) {
- attributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(distanceDisplayCondition, attributes.distanceDisplayCondition);
- outlineAttributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(distanceDisplayCondition, outlineAttributes.distanceDisplayCondition);
- DistanceDisplayCondition.clone(distanceDisplayCondition, this._lastDistanceDisplayCondition);
- }
- if (!Cartesian3.equals(offset, this._lastOffset)) {
- attributes.offset = OffsetGeometryInstanceAttribute.toValue(offset, attributes.offset);
- outlineAttributes.offset = OffsetGeometryInstanceAttribute.toValue(offset, attributes.offset);
- Cartesian3.clone(offset, this._lastOffset);
- }
- }
- if (in3D) {
- //Since we are scaling a unit sphere, we can't let any of the values go to zero.
- //Instead we clamp them to a small value. To the naked eye, this produces the same results
- //that you get passing EllipsoidGeometry a radii with a zero component.
- radii.x = Math.max(radii.x, 0.001);
- radii.y = Math.max(radii.y, 0.001);
- radii.z = Math.max(radii.z, 0.001);
- modelMatrix = Matrix4.multiplyByScale(modelMatrix, radii, modelMatrix);
- this._primitive.modelMatrix = modelMatrix;
- this._outlinePrimitive.modelMatrix = modelMatrix;
- }
- };
- export default EllipsoidGeometryUpdater;
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