Swift: Core Graphics custom drawing

ZigZagCardView.swift

class ZigZagCardView: UIView {
    
    override func awakeFromNib() {
        layer.cornerRadius = 5
        layer.masksToBounds = true
        backgroundColor = UIColor.clear
    }
    
    override func draw(_ rect: CGRect) {
        super.draw(rect)
        
        let noOfZigs = 25
        let path  = UIBezierPath()
        let y = rect.size.height - 10
        path.move(to: CGPoint(x: 0, y: 0))
        path.addLine(to: CGPoint(x: 0, y: y))
        path.addLine(to: CGPoint(x: 0, y: y))
        let equalZig: Int = Int(rect.width/25)
        for i in 1...noOfZigs {
            path.addLine(to: CGPoint(x: CGFloat(equalZig*i), y: y-10))
            path.addLine(to: CGPoint(x: CGFloat(equalZig*i)+10, y: y))
            if i == noOfZigs{
                path.addLine(to: CGPoint(x: rect.width, y: 0))
            }
        }
        path.lineWidth = 10
        path.close()
        UIColor.white.setFill()
        UIColor.white.setStroke()
        path.lineWidth = 10
        path.stroke()
        path.fill()
    }
}