☄️ Comets: Animating Particles in Swift
animation made by kevin as part of Voicy design
implements Bennet van der Linden medium Comets: Animating Particles in Swift
// Customize your comet
let width = view.bounds.width
let height = view.bounds.height
let comets = [Comet(startPoint: CGPoint(x: 100, y: 0),
endPoint: CGPoint(x: 0, y: 100),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: 0.4 * width, y: 0),
endPoint: CGPoint(x: width, y: 0.8 * width),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: 0.8 * width, y: 0),
endPoint: CGPoint(x: width, y: 0.2 * width),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: width, y: 0.2 * height),
endPoint: CGPoint(x: 0, y: 0.25 * height),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: 0, y: height - 0.8 * width),
endPoint: CGPoint(x: 0.6 * width, y: height),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: width - 100, y: height),
endPoint: CGPoint(x: width, y: height - 100),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white),
Comet(startPoint: CGPoint(x: 0, y: 0.8 * height),
endPoint: CGPoint(x: width, y: 0.75 * height),
lineColor: UIColor.white.withAlphaComponent(0.2),
cometColor: UIColor.white)]
// draw line track and animate
for comet in comets {
view.layer.addSublayer(comet.drawLine())
view.layer.addSublayer(comet.animate())
}
Comets is written in Xcode 10, Swift 5.0, iOS 9.0 Required
Comets is available through Cocoapods or Carthage.
pod "Comets"
github "cruisediary/Comets" ~> 0.3.1
Pull requests are always welcomed 🏄🏼
cruz, [email protected]
Comets is available under the MIT license. See the LICENSE file for more info.