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import Check from "../Core/Check.js";
import Color from "../Core/Color.js";
import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js";
import defined from "../Core/defined.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";
const defaultMaterial = new ColorMaterialProperty(Color.WHITE);
const defaultOffset = Cartesian3.ZERO;
const offsetScratch = new Cartesian3();
const radiiScratch = new Cartesian3();
const innerRadiiScratch = new Cartesian3();
const scratchColor = new Color();
const 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,
);
}
Eif (defined(Object.create)) {
EllipsoidGeometryUpdater.prototype = Object.create(GeometryUpdater.prototype);
EllipsoidGeometryUpdater.prototype.constructor = EllipsoidGeometryUpdater;
}
Object.defineProperties(EllipsoidGeometryUpdater.prototype, {
/**
* Gets the terrain offset property
* @type {TerrainOffsetProperty}
* @memberof EllipsoidGeometryUpdater.prototype
* @readonly
* @private
*/
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');
const entity = this._entity;
const isAvailable = entity.isAvailable(time);
let color;
const show = new ShowGeometryInstanceAttribute(
isAvailable &&
entity.isShowing &&
this._showProperty.getValue(time) &&
this._fillProperty.getValue(time),
);
const distanceDisplayCondition =
this._distanceDisplayConditionProperty.getValue(time);
const distanceDisplayConditionAttribute =
DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
distanceDisplayCondition,
);
const attributes = {
show: show,
distanceDisplayCondition: distanceDisplayConditionAttribute,
color: undefined,
offset: undefined,
};
if (this._materialProperty instanceof ColorMaterialProperty) {
let currentColor;
Eif (
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.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');
const entity = this._entity;
const isAvailable = entity.isAvailable(time);
const outlineColor = Property.getValueOrDefault(
this._outlineColorProperty,
time,
Color.BLACK,
scratchColor,
);
const distanceDisplayCondition =
this._distanceDisplayConditionProperty.getValue(time);
const 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.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,
) {
const heightReference = Property.getValueOrDefault(
ellipsoid.heightReference,
Iso8601.MINIMUM_VALUE,
HeightReference.NONE,
);
const 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 = {};
}
Eif (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');
const entity = this._entity;
const ellipsoid = entity.ellipsoid;
if (
!entity.isShowing ||
!entity.isAvailable(time) ||
!Property.getValueOrDefault(ellipsoid.show, time, true)
) {
Eif (defined(this._primitive)) {
this._primitive.show = false;
}
Eif (defined(this._outlinePrimitive)) {
this._outlinePrimitive.show = false;
}
return;
}
const radii = Property.getValueOrUndefined(
ellipsoid.radii,
time,
radiiScratch,
);
let modelMatrix = defined(radii)
? entity.computeModelMatrixForHeightReference(
time,
ellipsoid.heightReference,
radii.z * 0.5,
this._scene.ellipsoid,
this._modelMatrix,
)
: undefined;
if (!defined(modelMatrix) || !defined(radii)) {
Eif (defined(this._primitive)) {
this._primitive.show = false;
}
Eif (defined(this._outlinePrimitive)) {
this._outlinePrimitive.show = false;
}
return;
}
//Compute attributes and material.
const showFill = Property.getValueOrDefault(ellipsoid.fill, time, true);
const showOutline = Property.getValueOrDefault(
ellipsoid.outline,
time,
false,
);
const outlineColor = Property.getValueOrClonedDefault(
ellipsoid.outlineColor,
time,
Color.BLACK,
scratchColor,
);
const material = MaterialProperty.getValue(
time,
ellipsoid.material ?? defaultMaterial,
this._material,
);
// Check properties that could trigger a primitive rebuild.
const innerRadii = Property.getValueOrUndefined(
ellipsoid.innerRadii,
time,
innerRadiiScratch,
);
const minimumClock = Property.getValueOrUndefined(
ellipsoid.minimumClock,
time,
);
const maximumClock = Property.getValueOrUndefined(
ellipsoid.maximumClock,
time,
);
const minimumCone = Property.getValueOrUndefined(ellipsoid.minimumCone, time);
const maximumCone = Property.getValueOrUndefined(ellipsoid.maximumCone, time);
const stackPartitions = Property.getValueOrUndefined(
ellipsoid.stackPartitions,
time,
);
const slicePartitions = Property.getValueOrUndefined(
ellipsoid.slicePartitions,
time,
);
const subdivisions = Property.getValueOrUndefined(
ellipsoid.subdivisions,
time,
);
const outlineWidth = Property.getValueOrDefault(
ellipsoid.outlineWidth,
time,
1.0,
);
const heightReference = Property.getValueOrDefault(
ellipsoid.heightReference,
time,
HeightReference.NONE,
);
const 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.
const sceneMode = this._scene.mode;
const in3D =
sceneMode === SceneMode.SCENE3D && heightReference === HeightReference.NONE;
const options = this._options;
const shadows = this._geometryUpdater.shadowsProperty.getValue(time);
const distanceDisplayConditionProperty =
this._geometryUpdater.distanceDisplayConditionProperty;
const distanceDisplayCondition =
distanceDisplayConditionProperty.getValue(time);
const 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.
const 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) {
const 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) {
options.innerRadii = Cartesian3.fromElements(
innerRadii.x / radii.x,
innerRadii.y / radii.y,
innerRadii.z / radii.z,
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;
const appearance = new MaterialAppearance({
material: material,
translucent: material.isTranslucent(),
closed: true,
});
options.vertexFormat = appearance.vertexFormat;
const fillInstance = this._geometryUpdater.createFillGeometryInstance(
time,
in3D,
this._modelMatrix,
);
this._primitive = primitives.add(
new Primitive({
geometryInstances: fillInstance,
appearance: appearance,
asynchronous: false,
shadows: shadows,
}),
);
const 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 Eif (this._primitive.ready) {
//Update attributes only.
const primitive = this._primitive;
const outlinePrimitive = this._outlinePrimitive;
primitive.show = true;
outlinePrimitive.show = true;
primitive.appearance.material = material;
let attributes = this._attributes;
Eif (!defined(attributes)) {
attributes = primitive.getGeometryInstanceAttributes(entity);
this._attributes = attributes;
}
if (showFill !== this._lastShow) {
attributes.show = ShowGeometryInstanceAttribute.toValue(
showFill,
attributes.show,
);
this._lastShow = showFill;
}
let outlineAttributes = this._outlineAttributes;
Eif (!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);
}
Iif (
!DistanceDisplayCondition.equals(
distanceDisplayCondition,
this._lastDistanceDisplayCondition,
)
) {
attributes.distanceDisplayCondition =
DistanceDisplayConditionGeometryInstanceAttribute.toValue(
distanceDisplayCondition,
attributes.distanceDisplayCondition,
);
outlineAttributes.distanceDisplayCondition =
DistanceDisplayConditionGeometryInstanceAttribute.toValue(
distanceDisplayCondition,
outlineAttributes.distanceDisplayCondition,
);
DistanceDisplayCondition.clone(
distanceDisplayCondition,
this._lastDistanceDisplayCondition,
);
}
Iif (!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;
|