ZhongMianAdmin/__test__/bim/js/builders/TrapeziumBuilder.js

/*
 * TrapeziumBuilder.js
 *
 * @author realor
 */

import { ObjectBuilder } from './ObjectBuilder.js'
import { ProfileBuilder } from './ProfileBuilder.js'
import { ProfileGeometry } from '../core/ProfileGeometry.js'
import * as THREE from '../lib/three.module.js'

class TrapeziumBuilder extends ProfileBuilder {
    constructor(bottomXDim = 1, height = 1, topXDim = 0.5, topXOffset = 0.2) {
        super()
        this.bottomXDim = bottomXDim
        this.height = height
        this.topXDim = topXDim
        this.topXOffset = topXOffset
    }

    performBuild(profile) {
        const shape = new THREE.Shape()

        const xb = 0.5 * this.bottomXDim
        const yd = 0.5 * this.height
        const xd = this.topXDim
        const xo = this.topXOffset

        shape.moveTo(xb, -yd)
        shape.lineTo(-xb, -yd)
        shape.lineTo(-xb + xo, yd)
        shape.lineTo(-xb + xo + xd, yd)
        shape.closePath()

        profile.updateGeometry(new ProfileGeometry(shape))

        return true
    }

    copy(source) {
        this.bottomXDim = source.bottomXDim
        this.height = source.height
        this.topXDim = source.topXDim
        this.topXOffset = source.topXOffset

        return this
    }
}

ObjectBuilder.addClass(TrapeziumBuilder)

export { TrapeziumBuilder }