awv3/plugins/dimension/graphics/diametral.js

⚡ AWV3 embedded CAD

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

export default class Diametral extends BaseGraphics {
    constructor(...args) {
        super(...args, 2, 0, 2);
    }

    updateFromState(state, ...args) {
        const [center, dim] = ['center', 'dimPt'].map(x => new THREE.Vector3().fromArray(state.members[x].value));
        const radius = state.members.radius.value;
        const start = dim.clone().sub(center).setLength(-radius).add(center);
        const end = dim.clone().sub(center).setLength(radius).add(center);
        const outside = (dim.distanceTo(center) > end.distanceTo(center));
        const dir = end.clone().sub(center).normalize();
        this.updateLine(0, start, dim);
        this.updateLine(1, dim, end);
        this.updateArrow(0, end, dir.clone().multiplyScalar(outside ? -1 : 1));
        this.updateArrow(1, start, dir.clone().multiplyScalar(outside ? 1 : -1));
        super.updateFromState(state, ...args);
    }
}