Clock face with second markers

gistfile1.txt

    
    import UIKit
    
    class ViewController: UIViewController {
        
        override func viewDidLoad() {
            super.viewDidLoad()
            // Do any additional setup after loading the view, typically from a nib.
            
            
            let newView = View(frame: CGRect(x: 0, y: 0, width: CGRectGetWidth(self.view.frame), height: CGRectGetWidth(self.view.frame)))
            
            
            self.view.addSubview(newView)
        }
        
        override func didReceiveMemoryWarning() {
            super.didReceiveMemoryWarning()
            // Dispose of any resources that can be recreated.
        }
        
        
    }
    
    
    func degree2radian(a:CGFloat)->CGFloat {
        let b = CGFloat(M_PI) * a/180
        return b
    }
    
    func drawSecondMarker(#ctx:CGContextRef, #x:CGFloat, #y:CGFloat, #radius:CGFloat, #color:UIColor) {
        
        var path = CGPathCreateMutable();
        CGPathMoveToPoint(path, nil, radius, 0);
        CGPathAddLineToPoint(path, nil, x, y);
        CGPathCloseSubpath(path);
        CGContextAddPath(ctx, path);
        CGContextSetLineWidth(ctx, 1.5)
        CGContextSetStrokeColorWithColor(ctx,color.CGColor);
        CGContextStrokePath(ctx);
    }
    
    
    
    class View: UIView {
        
        
        override func drawRect(rect:CGRect)
            
        {
            
            
            var ctx = UIGraphicsGetCurrentContext()
            
            // MARK: Create back of watchface
            let rad = CGRectGetWidth(rect)/3.5
            let endAngle = CGFloat(2*M_PI)
            
            CGContextAddArc(ctx, CGRectGetMidX(rect), CGRectGetMidY(rect), rad, 0, endAngle, 1)
            CGContextSetFillColorWithColor(ctx,UIColor.grayColor().CGColor)
            CGContextSetStrokeColorWithColor(ctx,UIColor.whiteColor().CGColor)
            CGContextSetLineWidth(ctx, 4.0)
            // use to fill and stroke path (see http://stackoverflow.com/questions/13526046/cant-stroke-path-after-filling-it )
            CGContextDrawPath(ctx, kCGPathFillStroke);
            
            for i in 1...60 {
                
                // save the original position and origin
                CGContextSaveGState(ctx)
                // make translation
                CGContextTranslateCTM(ctx, CGRectGetMidX(rect), CGRectGetMidY(rect))
                // make rotation
                CGContextRotateCTM(ctx, degree2radian(CGFloat(i)*6))
                if i % 5 == 0 {
                    // if an hour position we want a line slightly longer
                    drawSecondMarker(ctx: ctx, x: rad-15, y:0, radius:rad, color: UIColor.whiteColor())
                }
                else {
                    drawSecondMarker(ctx: ctx, x: rad-10, y:0, radius:rad, color: UIColor.whiteColor())
                }
                // restore state before next translation
                CGContextRestoreGState(ctx)
            }
            
            

            
            
        }
    }