awv3/plugins/dimensions/graphics/linear.js

⚡ AWV3 embedded CAD

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

export default class Linear extends BaseGraphics {
    constructor(...args) {
        super(...args, 4, 0, 2)
    }

    updateFromState(info, ...args) {
        const [start, end, dim] = ['startPt', 'endPt', 'dimPt'].map(x =>
            new THREE.Vector3().fromArray(info.dimension.members[x].value),
        )
        var dir = new THREE.Vector3(
            Math.cos(info.dimension.members.angle.value),
            Math.sin(info.dimension.members.angle.value),
            0,
        )
        const [startFoot, endFoot] = [start, end].map(x => x.clone().sub(dim).projectOnVector(dir).add(dim))
        if (endFoot.clone().sub(startFoot).dot(dir) < 0) dir.negate()
        const outside = dim.clone().sub(startFoot).dot(dim.clone().sub(endFoot)) > 0
        this.updateLine(0, start, startFoot)
        this.updateLine(1, startFoot, dim)
        this.updateLine(2, dim, endFoot)
        this.updateLine(3, endFoot, end)
        this.updateArrow(0, startFoot, dir.clone().multiplyScalar(outside ? 1 : -1))
        this.updateArrow(1, endFoot, dir.clone().multiplyScalar(outside ? -1 : 1))
        super.updateFromState(info, ...args)
    }
}