@xeokit/xeokit-convert
Version:
JavaScript utilities to create .XKT files
74 lines (66 loc) • 2.35 kB
JavaScript
import {math} from "../lib/math.js";
/**
* An object within an {@link XKTModel}.
*
* * Created by {@link XKTModel#createEntity}
* * Stored in {@link XKTModel#entities} and {@link XKTModel#entitiesList}
* * Has one or more {@link XKTMesh}s, each having an {@link XKTGeometry}
*
* @class XKTEntity
*/
class XKTEntity {
/**
* @private
* @param entityId
* @param meshes
*/
constructor(entityId, meshes) {
/**
* Unique ID of this ````XKTEntity```` in {@link XKTModel#entities}.
*
* For a BIM model, this will be an IFC product ID.
*
* We can also use {@link XKTModel#createMetaObject} to create an {@link XKTMetaObject} to specify metadata for
* this ````XKTEntity````. To associate the {@link XKTMetaObject} with our {@link XKTEntity}, we give
* {@link XKTMetaObject#metaObjectId} the same value as {@link XKTEntity#entityId}.
*
* @type {String}
*/
this.entityId = entityId;
/**
* Index of this ````XKTEntity```` in {@link XKTModel#entitiesList}.
*
* Set by {@link XKTModel#finalize}.
*
* @type {Number}
*/
this.entityIndex = null;
/**
* A list of {@link XKTMesh}s that indicate which {@link XKTGeometry}s are used by this Entity.
*
* @type {XKTMesh[]}
*/
this.meshes = meshes;
/**
* World-space axis-aligned bounding box (AABB) that encloses the {@link XKTGeometry#positions} of
* the {@link XKTGeometry}s that are used by this ````XKTEntity````.
*
* Set by {@link XKTModel#finalize}.
*
* @type {Float32Array}
*/
this.aabb = math.AABB3();
/**
* Indicates if this ````XKTEntity```` shares {@link XKTGeometry}s with other {@link XKTEntity}'s.
*
* Set by {@link XKTModel#finalize}.
*
* Note that when an ````XKTEntity```` shares ````XKTGeometrys````, it shares **all** of its ````XKTGeometrys````. An ````XKTEntity````
* never shares only some of its ````XKTGeometrys```` - it always shares either the whole set or none at all.
*
* @type {Boolean}
*/
this.hasReusedGeometries = false;
}
}
export {XKTEntity};