rotatingThingsIn3D.swift

//: Playground - noun: a place where people can play

import UIKit
import XCPlayground

var str = "Hello, playground"

let mainView = UIView (frame: CGRect(x: 0, y: 0, width: 300, height: 300))
mainView.backgroundColor = UIColor(red: 0.74, green: 1.00, blue: 0.91, alpha: 1.00)
XCPlaygroundPage.currentPage.liveView = mainView

let tileView = UIView(frame: CGRect(x: 25, y: 100, width: 250, height: 100) )
tileView.backgroundColor = UIColor.whiteColor()
tileView.layer.shadowColor = UIColor.blackColor().CGColor
tileView.layer.shadowOpacity = 0.3
tileView.layer.shadowRadius = 3
tileView.layer.shadowOffset = CGSize(width: 1, height: 2.2)
tileView.backgroundColor = UIColor(patternImage: UIImage(named: "url.jpg")!)
mainView.addSubview(tileView)



tileView.layer.anchorPoint = CGPointMake(0.0, 0.0)
tileView.layer.position = CGPointMake(tileView.layer.position.x - tileView.bounds.width / 2.0, tileView.layer.position.y - tileView.bounds.height / 2.0)

//begin upside down
var start = CATransform3DIdentity
start = CATransform3DRotate(start, CGFloat(M_PI), 1.0, 0.0, 0.0)
tileView.layer.transform = start
tileView.layer.setNeedsDisplay()

//let flipUp = CATransform3DMakeRotation( CGFloat(M_PI_2 * (2.0)) , 1.0, 0.0, 0.0)
//let flipAnimation = CABasicAnimation(keyPath: "flip")

var tileNew3DPos = tileView.layer.transform
tileNew3DPos = CATransform3DRotate(tileNew3DPos,CGFloat(-M_PI), 1.0, 0, 0)

UIView.animateWithDuration(1.5, animations: { () -> Void in
    tileView.layer.transform = tileNew3DPos
    }) { (Bool) -> Void in
        
}

/*
self.layer.position = CGPointMake(self.layer.position.x + self.bounds.size.width/2.0f, self.layer.position.y);