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Add Swift 3 Compatibility for SAConfettiView.swift #21

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Add Swift 3 Compatibility for SAConfettiView.swift #21

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65 changes: 33 additions & 32 deletions Pod/Classes/SAConfettiView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -6,102 +6,103 @@
//
//

import Foundation
import UIKit
import QuartzCore

public class SAConfettiView: UIView {

public enum ConfettiType {
case Confetti
case Triangle
case Star
case Diamond
case Triangle
case Image(UIImage)
}

var emitter: CAEmitterLayer!
public var colors: [UIColor]!
public var intensity: Float!
public var type: ConfettiType!
private var active :Bool!

required public init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
setup()
}

public override init(frame: CGRect) {
super.init(frame: frame)
setup()
}

func setup() {
colors = [UIColor(red:0.95, green:0.40, blue:0.27, alpha:1.0),
UIColor(red:1.00, green:0.78, blue:0.36, alpha:1.0),
UIColor(red:0.48, green:0.78, blue:0.64, alpha:1.0),
UIColor(red:0.30, green:0.76, blue:0.85, alpha:1.0),
UIColor(red:0.58, green:0.39, blue:0.55, alpha:1.0)]
UIColor(red:1.00, green:0.78, blue:0.36, alpha:1.0),
UIColor(red:0.48, green:0.78, blue:0.64, alpha:1.0),
UIColor(red:0.30, green:0.76, blue:0.85, alpha:1.0),
UIColor(red:0.58, green:0.39, blue:0.55, alpha:1.0)]
intensity = 0.5
type = .Confetti
active = false
}

public func startConfetti() {
emitter = CAEmitterLayer()

emitter.emitterPosition = CGPoint(x: frame.size.width / 2.0, y: 0)
emitter.emitterShape = kCAEmitterLayerLine
emitter.emitterSize = CGSize(width: frame.size.width, height: 1)

var cells = [CAEmitterCell]()
for color in colors {
cells.append(confettiWithColor(color))
cells.append(confettiWithColor(color: color))
}

emitter.emitterCells = cells
layer.addSublayer(emitter)
active = true
}

public func stopConfetti() {
emitter?.birthRate = 0
active = false
}

func imageForType(type: ConfettiType) -> UIImage? {

var fileName: String!

switch type {
case .Confetti:
fileName = "confetti"
case .Triangle:
fileName = "triangle"
case .Star:
fileName = "star"
case .Diamond:
fileName = "diamond"
case .Triangle:
fileName = "triangle"
case let .Image(customImage):
return customImage
}

let path = NSBundle(forClass: SAConfettiView.self).pathForResource("SAConfettiView", ofType: "bundle")
let bundle = NSBundle(path: path!)
let imagePath = bundle?.pathForResource(fileName, ofType: "png")
let path = Bundle(for: SAConfettiView.self).path(forResource: "SAConfettiView", ofType: "bundle")
let bundle = Bundle(path: path!)
let imagePath = bundle?.path(forResource: fileName, ofType: "png")
let url = NSURL(fileURLWithPath: imagePath!)
let data = NSData(contentsOfURL: url)
let data = NSData(contentsOf: url as URL)
if let data = data {
return UIImage(data: data)!
return UIImage(data: data as Data)!
}
return nil
}

func confettiWithColor(color: UIColor) -> CAEmitterCell {
let confetti = CAEmitterCell()
confetti.birthRate = 6.0 * intensity
confetti.lifetime = 14.0 * intensity
confetti.lifetimeRange = 0
confetti.color = color.CGColor
confetti.color = color.cgColor
confetti.velocity = CGFloat(350.0 * intensity)
confetti.velocityRange = CGFloat(80.0 * intensity)
confetti.emissionLongitude = CGFloat(M_PI)
Expand All @@ -110,11 +111,11 @@ public class SAConfettiView: UIView {
confetti.spinRange = CGFloat(4.0 * intensity)
confetti.scaleRange = CGFloat(intensity)
confetti.scaleSpeed = CGFloat(-0.1 * intensity)
confetti.contents = imageForType(type)!.CGImage
confetti.contents = imageForType(type: type)!.cgImage
return confetti
}

public func isActive() -> Bool {
return self.active
return self.active
}
}