awv3/plugins/sketcher/graphics/line.js

⚡ AWV3 embedded CAD

import * as THREE from 'three';
import BaseGraphics from './base';

const geometry = new THREE.BoxBufferGeometry(1, 1, 0);
const material = new THREE.MeshBasicMaterial({
    color: 0x3378a2,
    side: THREE.DoubleSide,
    polygonOffset: true,
    polygonOffsetFactor: -1,
    polygonOffsetUnits: -5,
});

export default class Line extends BaseGraphics {
    constructor() {
        super();
        this.localMesh = new THREE.Mesh(geometry, material.clone());
        this.localMesh.type = 'SketcherMesh';
        this.localMesh.material.meta = {};
        this.add(this.localMesh);
    }

    updateFromGeomParams(geomParams) {
        super.updateFromGeomParams(geomParams);
        const dir = geomParams.end.clone().sub(geomParams.start).normalize();
        const length = geomParams.start.distanceTo(geomParams.end);

        this.localMesh.position.lerpVectors(geomParams.start, geomParams.end, 0.5);
        this.localMesh.quaternion.setFromUnitVectors(new THREE.Vector3(1, 0, 0), dir);
        this.localMesh.scale.set(Math.max(length, 1e-3), geomParams.scale, 1e-3);
        this.updateMetaBox();
    }
}