///////////////////////////////////////////////////////////////////////////////
// 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.
///////////////////////////////////////////////////////////////////////////////

import { Vector3, DirectionalLightHelper, HemisphereLightHelper, PointLightHelper } from 'three';
import { components } from '@inweb/viewer-three';

class LightHelperComponent {
    constructor(viewer) {
        this.syncHelper = () => {
            this.lightHelpers.forEach((helper) => {
                helper.removeFromParent();
                helper.dispose();
            });
            this.lightHelpers.length = 0;
            const extentsSize = this.viewer.extents.getSize(new Vector3()).length() || 1;
            const helperSize = extentsSize / 20;
            this.viewer.scene.traverse((object) => {
                let helper;
                if (object.isDirectionalLight)
                    helper = new DirectionalLightHelper(object, helperSize, "#aa0000");
                else if (object.isHemisphereLight)
                    helper = new HemisphereLightHelper(object, helperSize, "#ff9800");
                else if (object.isPointLight)
                    helper = new PointLightHelper(object, helperSize, "#ff9800");
                if (helper) {
                    this.lightHelpers.push(helper);
                    this.viewer.helpers.add(helper);
                }
            });
        };
        this.lightHelpers = [];
        this.viewer = viewer;
        this.viewer.addEventListener("geometryend", this.syncHelper);
        this.viewer.addEventListener("clear", this.syncHelper);
    }
    dispose() {
        this.lightHelpers.forEach((helper) => {
            helper.removeFromParent();
            helper.dispose();
        });
        this.lightHelpers.length = 0;
        this.viewer.removeEventListener("geometryend", this.syncHelper);
        this.viewer.removeEventListener("clear", this.syncHelper);
    }
}
components.registerComponent("LightHelperComponent", (viewer) => new LightHelperComponent(viewer));
//# sourceMappingURL=LightHelperComponent.module.js.map
