@inweb/viewer-three
Version:
JavaScript library for rendering CAD and BIM files in a browser using Three.js
58 lines (55 loc) • 2.76 kB
JavaScript
///////////////////////////////////////////////////////////////////////////////
// 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, GridHelper } from 'three';
import { components } from '@inweb/viewer-three';
class GridHelperComponent {
constructor(viewer) {
this.syncHelper = () => {
this.gridHelper.removeFromParent();
if (this.viewer.extents.isEmpty())
return;
const size = this.viewer.extents.getSize(new Vector3()).multiply(this.viewer.camera.up).length();
const center = this.viewer.extents.getCenter(new Vector3());
const upY = new Vector3(0, 1, 0);
const up = new Vector3().copy(this.viewer.camera.up);
this.gridHelper.scale.setScalar(size);
this.gridHelper.position.copy(center);
this.gridHelper.quaternion.setFromUnitVectors(upY, up);
this.viewer.helpers.add(this.gridHelper);
};
this.gridHelper = new GridHelper(10, 20, 0x444444, 0xaaaaaa);
this.viewer = viewer;
this.viewer.on("initialize", this.syncHelper);
this.viewer.on("geometryend", this.syncHelper);
this.viewer.on("clear", this.syncHelper);
}
dispose() {
this.gridHelper.removeFromParent();
this.gridHelper.dispose();
this.viewer.off("initialize", this.syncHelper);
this.viewer.off("geometryend", this.syncHelper);
this.viewer.off("clear", this.syncHelper);
}
}
components.registerComponent("GridHelperComponent", (viewer) => new GridHelperComponent(viewer));
//# sourceMappingURL=GridHelperComponent.module.js.map