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April 6, 2023 00:50
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Twitter's new animation ❤️
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| struct ContentView: View { | |
| @State var scale: CGFloat = 0 | |
| @State var showingBlankHeart = true | |
| @State var heartScale: CGFloat = 0 | |
| @State var textOpacity: Double = 1 | |
| @State var offset1: CGFloat = 0 | |
| @State var plus1Opacity: Double = 1 | |
| @State var offset2: CGFloat = 0 | |
| @State var plus2Opacity: Double = 1 | |
| @State var offset3: CGFloat = 0 | |
| @State var plus3Opacity: Double = 1 | |
| var body: some View { | |
| VStack { | |
| Spacer() | |
| ZStack { | |
| Image(systemName: "plus") | |
| .resizable() | |
| .frame(width: 12, height: 12, alignment: .center) | |
| .font(.system(size: 16, weight: .bold, design: .rounded)) | |
| .foregroundColor(.red) | |
| .offset(x: 0, y: offset1) | |
| .opacity(plus1Opacity) | |
| .padding(.bottom, 0) | |
| .padding(.trailing, 20) | |
| Image(systemName: "plus") | |
| .resizable() | |
| .frame(width: 12, height: 12, alignment: .center) | |
| .font(.system(size: 16, weight: .bold, design: .rounded)) | |
| .foregroundColor(.red) | |
| .offset(x: 0, y: offset2) | |
| .opacity(plus2Opacity) | |
| .padding(.bottom, 20) | |
| Image(systemName: "plus") | |
| .resizable() | |
| .frame(width: 12, height: 12, alignment: .center) | |
| .font(.system(size: 16, weight: .bold, design: .rounded)) | |
| .foregroundColor(.red) | |
| .offset(x: 0, y: offset3) | |
| .opacity(plus3Opacity) | |
| .padding(.bottom, 00) | |
| .padding(.trailing, -20) | |
| Circle() | |
| .frame(width: 36, height: 36, alignment: .center) | |
| .foregroundColor(Color.white) | |
| Circle() | |
| .frame(width: 35, height: 35, alignment: .center) | |
| .foregroundColor(Color.red) | |
| .scaleEffect(scale) | |
| .animation(.spring()) | |
| Circle() | |
| .frame(width: 36, height: 36, alignment: .center) | |
| .foregroundColor(Color.white) | |
| .scaleEffect(scale) | |
| .animation(.spring().delay(0.3)) | |
| if showingBlankHeart { | |
| Image(systemName: "heart") | |
| .resizable() | |
| .frame(width: 30, height: 30, alignment: .center) | |
| } | |
| Image(systemName: "heart.fill") | |
| .resizable() | |
| .frame(width: 30, height: 30, alignment: .center) | |
| .foregroundColor(.red) | |
| .scaleEffect(heartScale) | |
| Text("+1") | |
| .foregroundColor(.white) | |
| .font(.system(size: 16, weight: .bold, design: .rounded)) | |
| .scaleEffect(heartScale) | |
| .opacity(textOpacity) | |
| } | |
| Button(action: { | |
| showingBlankHeart = false | |
| scale = 1 | |
| withAnimation(.interpolatingSpring( | |
| mass: 1, | |
| stiffness: 100, | |
| damping: 10, | |
| initialVelocity: 2).delay(0.5)) { | |
| heartScale = 1 | |
| } | |
| withAnimation(.easeInOut(duration: 0.5).delay(1.5)) { | |
| textOpacity = 0 | |
| } | |
| withAnimation(.easeInOut(duration: 1).delay(0.5)) { | |
| offset1 = -30 | |
| plus1Opacity = 0 | |
| } | |
| withAnimation(.easeInOut(duration: 1).delay(0.8)) { | |
| offset2 = -30 | |
| plus2Opacity = 0 | |
| } | |
| withAnimation(.easeInOut(duration: 1).delay(1)) { | |
| offset3 = -30 | |
| plus3Opacity = 0 | |
| } | |
| }, label: { | |
| Text("Start") | |
| }) | |
| .padding() | |
| Button(action: { | |
| showingBlankHeart = true | |
| scale = 0 | |
| heartScale = 0 | |
| textOpacity = 1 | |
| offset1 = 0 | |
| plus1Opacity = 1 | |
| offset2 = 0 | |
| plus2Opacity = 1 | |
| offset3 = 0 | |
| plus3Opacity = 1 | |
| }, label: { | |
| Text("Reset") | |
| }) | |
| .padding() | |
| Spacer() | |
| } | |
| } | |
| } |
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My naive implementation of Twitter's animation, check out here https://twitter.com/dqhieu/status/1397194024595992576?s=20