Horizontal and vertical progress bar

ProgressBar.swift

import UIKit

class ProgressBar: UIView {
    
    // MARK: -  Properties
    
    @IBInspectable var color: UIColor = .gray {
        didSet { setNeedsDisplay() }
    }
    
    var progress: CGFloat = 0 {
        didSet { setNeedsDisplay() }
    }
    
    var isHorisontal: Bool = true {
        didSet { setNeedsDisplay() }
    }
    
    private let progressingLayer = CALayer()
    private let backgroundMask = CAShapeLayer()
    
    // MARK: -  Initializer
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        addLayers()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        addLayers()
    }

    // MARK: -  Methods
    
    private func addLayers() {
        layer.addSublayer(progressingLayer)
    }
    
    override func draw(_ rect: CGRect) {
        backgroundMask.path = UIBezierPath(roundedRect: rect, cornerRadius: rect.height * 0.25).cgPath
        layer.mask = backgroundMask
        var progressRect = CGRect()
        if isHorisontal {
            progressRect = CGRect(origin: .zero, size: CGSize(width: rect.width * progress, height: rect.height))
        } else {
            progressRect = CGRect(origin: .zero, size: CGSize(width: rect.width, height: rect.height * progress))

        }
        progressingLayer.frame = progressRect
        progressingLayer.backgroundColor = color.cgColor
    }
}