FMViewController-A.swift

import UIKit

enum StartingPoint {
    case Left
    case Right
}

typealias Mask = UIImage
typealias MaskView = UIImageView

extension CGRect {
    static func getMaskRectLeft(y: CGFloat) -> CGRect {
        return CGRect(x: -110, y: y, width: 100, height: 65)
    }
    
    static func getMaskRectRight(y: CGFloat) -> CGRect {
        return CGRect(x: 2030, y: y, width: 100, height: 65)
    }
}