import * as THREE from 'three'
import IndexedCollection from './IndexedCollection.js'
import Floor from './Floor.js'

//用于处理楼层
class FloorCollection extends IndexedCollection {
    constructor(model) {
        super()
        this.model = model
        this.exploded = !1
    }
    add(floor) {
        super.add(floor)
        this.model.add(floor)
    }
    getIndex(floor) {
        return floor.floorIndex
    }
    build() {
        this.list.forEach(function (floor) {
            floor.build()
        })
    }
    nextFloor(e, t) {
        return this.index[e.floorIndex + t] || null
    }
    getOrMakeFloor(floorIndex) {
        var floor = this.index[floorIndex]
        if (!floor) {
            floor = new Floor(this.model, floorIndex)
            this.add(floor)
        }
        return floor
    }
    hide() {
        this.list.forEach(function (floor) {
            floor.hide()
        })
    }
    show() {
        this.list.forEach(function (floor) {
            floor.show()
        })
    }

    getFloorAtPoint(e) {
        for (var t = null, i = 1 / 0, n = 0; n < this.list.length; n++) {
            var r = this.list[n],
                o = r.distanceToPoint(e)
            ;(!t || i > o) && ((i = o), (t = r))
        }
        return t
    }
}

export default FloorCollection