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//  https://possiblemobile.com/2015/03/prototyping-uiview-animations-swift-playground/
// correctly set the Platform drop down to iOS and check the Run in Full Simulator box. 
// Next, make sure the Assistant Editor is showing. The Assistant Editor can be opened from View -> Assistant Editor -> Show Assistant Editor.
import UIKit
import XCPlayground

let containerView = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 375.0, height: 667.0))
XCPlaygroundPage.currentPage.liveView = containerView

let circle = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 50.0, height: 50.0))
circle.center = containerView.center
circle.layer.cornerRadius = 25.0

let startingColor = UIColor(red: (253.0/255.0), green: (159.0/255.0), blue: (47.0/255.0), alpha: 1.0)
circle.backgroundColor = startingColor

containerView.addSubview(circle);

let rectangle = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 50.0, height: 50.0))
rectangle.center = containerView.center
rectangle.layer.cornerRadius = 5.0

rectangle.backgroundColor = UIColor.whiteColor()

containerView.addSubview(rectangle)

UIView.animateWithDuration(2.0, animations: { () -> Void in
    let endingColor = UIColor(red: (255.0/255.0), green: (61.0/255.0), blue: (24.0/255.0), alpha: 1.0)
    circle.backgroundColor = endingColor
    
    let scaleTransform = CGAffineTransformMakeScale(5.0, 5.0)
    
    circle.transform = scaleTransform
    
    let rotationTransform = CGAffineTransformMakeRotation(3.14)
    
    rectangle.transform = rotationTransform
})