Terezi

[seyfullaalizada]

var circles = UITouch: CircleWithLabel

override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?)
{
    label.hidden = true
    
    for touch in touches
    {
        let circle = CircleWithLabel()
        
        circle.drawAtPoint(touch.locationInView(view),
            force: touch.force / touch.maximumPossibleForce)
        
        circles[touch] = circle
        view.layer.addSublayer(circle)
    }
    
    highlightHeaviest()

}

override func touchesMoved(touches: Set, withEvent event: UIEvent?)
{
for touch in touches where circles[touch] != nil
{
let circle = circles[touch]!

        circle.drawAtPoint(touch.locationInView(view),
            force: touch.force / touch.maximumPossibleForce)
    }
    
    highlightHeaviest()

}

func highlightHeaviest()
{
func getMaxTouch() -> UITouch?
{
return circles.sort({
(a: (UITouch, CircleWithLabel), b: (UITouch, CircleWithLabel)) -> Bool in

            return a.0.force > b.0.force
        }).first?.0
    }
    
    circles.forEach
    {
        $0.1.isMax = $0.0 == getMaxTouch()
    }

}

override func touchesEnded(touches: Set, withEvent event: UIEvent?)
{
for touch in touches where circles[touch] != nil
{
let circle = circles[touch]!

        circles.removeValueForKey(touch)
        circle.removeFromSuperlayer()
    }
    
    highlightHeaviest()

}