traffic-laser/src/graphic/Service/CompassService.js

export default class CompassService {
    constructor() {
        this.whiteImg = null
        this.blackImg = null
    }

    setWhiteImg(img) {
        this.whiteImg = img
    }

    setBlackImg(img) {
        this.blackImg = img
    }

    getWhiteImg() {
        return this.whiteImg
    }

    getBlackImg() {
        return this.blackImg
    }
}

const compassService = new CompassService()
export { compassService }