SwiftUI Wiggle Animation Modifier

This repository contains a custom SwiftUI modifier for adding a ‘wiggle’ animation to any SwiftUI View. The idea was inspired by markmals on GitHub. This implementation extends the original idea by allowing the animation to be controlled by a boolean state variable and providing custom rotation and bounce amounts.

Simulator.Screen.Recording.-.iPhone.14.Pro.-.2023-05-12.at.17.20.15.mp4

Installation

Just copy the WiggleModifier.swift file into your project.

Usage

In your SwiftUI View, you can use the wiggling modifier like this:

struct ContentView: View {
    @State private var isWiggling = false

    var body: some View {
        VStack {
            Rectangle()
                .frame(width: 100, height: 100)
                .foregroundColor(.blue)
                .wiggling(isWiggling: $isWiggling, rotationAmount: 3, bounceAmount: 2)

            Button(action: {
                withAnimation {
                    self.isWiggling.toggle()
                }
            }) {
                Text(self.isWiggling ? "Disable Animation" : "Enable Animation")
            }
            .padding()
            .foregroundColor(.white)
            .background(Color.blue)
            .cornerRadius(10)
        }
    }
}

The wiggling modifier takes three arguments:

1. isWiggling: A Binding<Bool> that controls whether the wiggle animation is active.
2. bounceAmount: A Double that controls the bounce amount of the wiggle animation.
3. rotationAmount: A Double that controls the rotation amount of the wiggle animation.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

GitHub

View Github