@inweb/viewer-three/dist/extensions/components/LightHelperComponent.min.js

JavaScript library for rendering CAD and BIM files in a browser using Three.js

///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance").
// All rights reserved.
// 
// This software and its documentation and related materials are owned by
// the Alliance. The software may only be incorporated into application
// programs owned by members of the Alliance, subject to a signed
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable
// trade secrets of the Alliance and its suppliers. The software is also
// protected by copyright law and international treaty provisions. Application
// programs incorporating this software must include the following statement
// with their copyright notices:
// 
//   This application incorporates Open Design Alliance software pursuant to a
//   license agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance.
//   All rights reserved.
// 
// By use of this software, its documentation or related materials, you
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

!function(e,i){"object"==typeof exports&&"undefined"!=typeof module?i(require("three"),require("@inweb/viewer-three")):"function"==typeof define&&define.amd?define(["three","@inweb/viewer-three"],i):i((e="undefined"!=typeof globalThis?globalThis:e||self).THREE,e.ODA.Three)}(this,function(e,i){"use strict";class t{constructor(i){this.syncHelper=()=>{this.lightHelpers.forEach(e=>{e.removeFromParent(),e.dispose()}),this.lightHelpers.length=0;const i=2*this.viewer.extents.getBoundingSphere(new e.Sphere).radius/20;this.viewer.scene.traverse(t=>{let r;t.isDirectionalLight?r=new e.DirectionalLightHelper(t,i,"#aa0000"):t.isHemisphereLight?r=new e.HemisphereLightHelper(t,i,"#ff9800"):t.isPointLight&&(r=new e.PointLightHelper(t,i,"#ff9800")),r&&(this.lightHelpers.push(r),this.viewer.helpers.add(r))})},this.lightHelpers=[],this.viewer=i,this.viewer.addEventListener("geometryend",this.syncHelper),this.viewer.addEventListener("clear",this.syncHelper)}dispose(){this.lightHelpers.forEach(e=>{e.removeFromParent(),e.dispose()}),this.lightHelpers.length=0,this.viewer.removeEventListener("geometryend",this.syncHelper),this.viewer.removeEventListener("clear",this.syncHelper)}}i.components.registerComponent("LightHelperComponent",e=>new t(e))});