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import Check from "../Core/Check.js";
import defined from "../Core/defined.js";
import destroyObject from "../Core/destroyObject.js";
import DeveloperError from "../Core/DeveloperError.js";
import GroundPrimitive from "../Scene/GroundPrimitive.js";
import MaterialAppearance from "../Scene/MaterialAppearance.js";
import PerInstanceColorAppearance from "../Scene/PerInstanceColorAppearance.js";
import Primitive from "../Scene/Primitive.js";
import BoundingSphereState from "./BoundingSphereState.js";
import ColorMaterialProperty from "./ColorMaterialProperty.js";
import MaterialProperty from "./MaterialProperty.js";
import Property from "./Property.js";
/**
* Defines the interface for a dynamic geometry updater. A DynamicGeometryUpdater
* is responsible for handling visualization of a specific type of geometry
* that needs to be recomputed based on simulation time.
* This object is never used directly by client code, but is instead created by
* {@link GeometryUpdater} implementations which contain dynamic geometry.
*
* This type defines an interface and cannot be instantiated directly.
*
* @alias DynamicGeometryUpdater
* @constructor
* @private
* @abstract
*/
function DynamicGeometryUpdater(
geometryUpdater,
primitives,
orderedGroundPrimitives,
) {
//>>includeStart('debug', pragmas.debug);
Check.defined("geometryUpdater", geometryUpdater);
Check.defined("primitives", primitives);
Check.defined("orderedGroundPrimitives", orderedGroundPrimitives);
//>>includeEnd('debug');
this._primitives = primitives;
this._orderedGroundPrimitives = orderedGroundPrimitives;
this._primitive = undefined;
this._outlinePrimitive = undefined;
this._geometryUpdater = geometryUpdater;
this._options = geometryUpdater._options;
this._entity = geometryUpdater._entity;
this._material = undefined;
}
DynamicGeometryUpdater.prototype._isHidden = function (entity, geometry, time) {
return (
!entity.isShowing ||
!entity.isAvailable(time) ||
!Property.getValueOrDefault(geometry.show, time, true)
);
};
DynamicGeometryUpdater.prototype._setOptions =
DeveloperError.throwInstantiationError;
/**
* Updates the geometry to the specified time.
* @memberof DynamicGeometryUpdater
* @function
*
* @param {JulianDate} time The current time.
*/
DynamicGeometryUpdater.prototype.update = function (time) {
//>>includeStart('debug', pragmas.debug);
Check.defined("time", time);
//>>includeEnd('debug');
const geometryUpdater = this._geometryUpdater;
const onTerrain = geometryUpdater._onTerrain;
const primitives = this._primitives;
const orderedGroundPrimitives = this._orderedGroundPrimitives;
if (onTerrain) {
orderedGroundPrimitives.remove(this._primitive);
} else {
primitives.removeAndDestroy(this._primitive);
primitives.removeAndDestroy(this._outlinePrimitive);
this._outlinePrimitive = undefined;
}
this._primitive = undefined;
const entity = this._entity;
const geometry = entity[this._geometryUpdater._geometryPropertyName];
this._setOptions(entity, geometry, time);
if (this._isHidden(entity, geometry, time)) {
return;
}
const shadows = this._geometryUpdater.shadowsProperty.getValue(time);
const options = this._options;
if (!defined(geometry.fill) || geometry.fill.getValue(time)) {
const fillMaterialProperty = geometryUpdater.fillMaterialProperty;
const isColorAppearance =
fillMaterialProperty instanceof ColorMaterialProperty;
let appearance;
const closed = geometryUpdater._getIsClosed(options);
if (isColorAppearance) {
appearance = new PerInstanceColorAppearance({
closed: closed,
flat:
onTerrain && !geometryUpdater._supportsMaterialsforEntitiesOnTerrain,
});
} else E{
const material = MaterialProperty.getValue(
time,
fillMaterialProperty,
this._material,
);
this._material = material;
appearance = new MaterialAppearance({
material: material,
translucent: material.isTranslucent(),
closed: closed,
});
}
if (onTerrain) {
options.vertexFormat = PerInstanceColorAppearance.VERTEX_FORMAT;
this._primitive = orderedGroundPrimitives.add(
new GroundPrimitive({
geometryInstances:
this._geometryUpdater.createFillGeometryInstance(time),
appearance: appearance,
asynchronous: false,
shadows: shadows,
classificationType:
this._geometryUpdater.classificationTypeProperty.getValue(time),
}),
Property.getValueOrUndefined(this._geometryUpdater.zIndex, time),
);
} else {
options.vertexFormat = appearance.vertexFormat;
const fillInstance =
this._geometryUpdater.createFillGeometryInstance(time);
Eif (isColorAppearance) {
appearance.translucent = fillInstance.attributes.color.value[3] !== 255;
}
this._primitive = primitives.add(
new Primitive({
geometryInstances: fillInstance,
appearance: appearance,
asynchronous: false,
shadows: shadows,
}),
);
}
}
if (
!onTerrain &&
defined(geometry.outline) &&
geometry.outline.getValue(time)
) {
const outlineInstance =
this._geometryUpdater.createOutlineGeometryInstance(time);
const outlineWidth = Property.getValueOrDefault(
geometry.outlineWidth,
time,
1.0,
);
this._outlinePrimitive = primitives.add(
new Primitive({
geometryInstances: outlineInstance,
appearance: new PerInstanceColorAppearance({
flat: true,
translucent: outlineInstance.attributes.color.value[3] !== 255,
renderState: {
lineWidth: geometryUpdater._scene.clampLineWidth(outlineWidth),
},
}),
asynchronous: false,
shadows: shadows,
}),
);
}
};
/**
* Computes a bounding sphere which encloses the visualization produced for the specified entity.
* The bounding sphere is in the fixed frame of the scene's globe.
* @function
*
* @param {BoundingSphere} result The bounding sphere onto which to store the result.
* @returns {BoundingSphereState} BoundingSphereState.DONE if the result contains the bounding sphere,
* BoundingSphereState.PENDING if the result is still being computed, or
* BoundingSphereState.FAILED if the entity has no visualization in the current scene.
* @private
*/
DynamicGeometryUpdater.prototype.getBoundingSphere = function (result) {
//>>includeStart('debug', pragmas.debug);
if (!defined(result)) {
throw new DeveloperError("result is required.");
}
//>>includeEnd('debug');
const entity = this._entity;
const primitive = this._primitive;
const outlinePrimitive = this._outlinePrimitive;
let attributes;
//Outline and Fill geometries have the same bounding sphere, so just use whichever one is defined and ready
if (defined(primitive) && primitive.show && primitive.ready) {
attributes = primitive.getGeometryInstanceAttributes(entity);
Eif (defined(attributes) && defined(attributes.boundingSphere)) {
BoundingSphere.clone(attributes.boundingSphere, result);
return BoundingSphereState.DONE;
}
}
Eif (
defined(outlinePrimitive) &&
outlinePrimitive.show &&
outlinePrimitive.ready
) {
attributes = outlinePrimitive.getGeometryInstanceAttributes(entity);
Eif (defined(attributes) && defined(attributes.boundingSphere)) {
BoundingSphere.clone(attributes.boundingSphere, result);
return BoundingSphereState.DONE;
}
}
if (
(defined(primitive) && !primitive.ready) ||
(defined(outlinePrimitive) && !outlinePrimitive.ready)
) {
return BoundingSphereState.PENDING;
}
return BoundingSphereState.FAILED;
};
/**
* Returns true if this object was destroyed; otherwise, false.
* @memberof DynamicGeometryUpdater
* @function
*
* @returns {boolean} True if this object was destroyed; otherwise, false.
*/
DynamicGeometryUpdater.prototype.isDestroyed = function () {
return false;
};
/**
* Destroys and resources used by the object. Once an object is destroyed, it should not be used.
* @memberof DynamicGeometryUpdater
* @function
*
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
*/
DynamicGeometryUpdater.prototype.destroy = function () {
const primitives = this._primitives;
const orderedGroundPrimitives = this._orderedGroundPrimitives;
if (this._geometryUpdater._onTerrain) {
orderedGroundPrimitives.remove(this._primitive);
} else {
primitives.removeAndDestroy(this._primitive);
}
primitives.removeAndDestroy(this._outlinePrimitive);
destroyObject(this);
};
export default DynamicGeometryUpdater;
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