回答編集履歴
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追記
answer
CHANGED
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@@ -11,4 +11,123 @@
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```Swift
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ForEach(0..<3) { (index) in
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```
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タブを生成しているこの場所の`3`の部分を`Defs.tabItems.count`に書き換えれば増やせると思います。
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タブを生成しているこの場所の`3`の部分を`Defs.tabItems.count`に書き換えれば増やせると思います。
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追記
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レイアウトを直した全体コード
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```Swift
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import SwiftUI
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import MapKit
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struct TopFrameView: Shape {
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func path(in rect: CGRect) -> Path {
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let bezierPath = UIBezierPath()
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bezierPath.move(to: CGPoint(x: 53.22, y: 4.36))
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for (to, controlPoint1, controlPoint2) in [(CGPoint(x: 60.83, y: 13.06), CGPoint(x: 57.76, y: 7.77), CGPoint(x: 60.14, y: 11.68)), (CGPoint(x: 68.43, y: 22.84), CGPoint(x: 63, y: 17.4), CGPoint(x: 65.05, y:20.96)), (CGPoint(x: 75.16, y: 23.98), CGPoint(x: 70.49, y: 23.98), CGPoint(x: 75.16, y: 23.98))] {
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bezierPath.addCurve(to: to, controlPoint1: controlPoint1, controlPoint2: controlPoint2)
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}
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bezierPath.addLine(to: CGPoint(x: 0.84, y: 23.98))
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for (to, controlPoint1, controlPoint2) in [(CGPoint(x: 7.57, y: 22.84), CGPoint(x: 0.84, y: 23.98), CGPoint(x: 5.51, y: 23.98)), (CGPoint(x: 15.17, y: 13.06), CGPoint(x: 10.95, y: 20.96), CGPoint(x: 13, y: 17.4)), (CGPoint(x: 22.78, y: 4.36), CGPoint(x: 15.86, y: 11.68), CGPoint(x: 18.24, y: 7.77)), (CGPoint(x: 36.38, y: -0), CGPoint(x: 27.58, y: 0.77), CGPoint(x: 33.55, y: 0.1)), (CGPoint(x: 38, y: 0), CGPoint(x: 37.39, y: -0.04), CGPoint(x: 38, y: 0)), (CGPoint(x: 53.22, y: 4.36), CGPoint(x: 38, y: 0), CGPoint(x: 46.7, y: -0.53))] {
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bezierPath.addCurve(to: to, controlPoint1: controlPoint1, controlPoint2: controlPoint2)
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}
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bezierPath.close()
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return Path(bezierPath.cgPath)
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}
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}
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struct TabItemDescription {
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var imageName: String
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var title: String
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func iconView(_ foregroundColor: Color) -> some View { Image(systemName: imageName).font(.system(size: 24)).foregroundColor(foregroundColor) }
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func labelView(_ foregroundColor: Color) -> some View { Text(title).font(.system(size: 9, weight: .bold)).foregroundColor(foregroundColor) }
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}
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enum Defs {
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static let tabItems: [TabItemDescription] = [.init(imageName: "house.fill", title: "HOME"),
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.init(imageName: "magnifyingglass", title: "SEARCH"),
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.init(imageName: "person.fill", title: "PROFILE"),
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.init(imageName: "magnifyingglass", title: "SEARCH"),
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.init(imageName: "person.fill", title: "PROFILE")]
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static let accentColor = Color(UIColor(red: 0, green: 0.251, blue: 0.6588, alpha: 1)); static let backgroundColor = Color(UIColor(red: 0.945, green: 0.969, blue: 0.984, alpha: 1.000))
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static let topFrameSize = CGSize(width: 75, height: 24)
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static let tabbarHeight = CGFloat(49)
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static let bottomSafeArea = CGFloat(40)
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static let iconCircleEdge = CGFloat(40)
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static let labelOffset = CGSize(width: 0, height: 32)
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static let bottomSafeAreaOffset = CGSize(width: 0, height: Defs.bottomSafeArea * 0.5)
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}
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struct ContentView: View {
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@State var selectedIndex = 0
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var body: some View {
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ZStack {
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Text("Welcome").font(.largeTitle) // main contents example
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GeometryReader { proxy in
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VStack {
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Spacer()
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HStack(alignment: .bottom, spacing: 0){
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ForEach(0..<Defs.tabItems.count) { (index) in
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VStack(spacing: 0) {
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Spacer()
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Rectangle()
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.foregroundColor( .clear )
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.frame(width: Defs.iconCircleEdge, height: Defs.iconCircleEdge)
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.overlay(
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ZStack {
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Defs.tabItems[index].iconView(.white).opacity(self.selectedIndex == index ? 1.0 : 0.0)
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Defs.tabItems[index].iconView(Defs.accentColor).opacity(self.selectedIndex != index ? 1.0 : 0.0)
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}
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)
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.background(
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ZStack {
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Defs.tabItems[index].labelView(.black).opacity(self.selectedIndex == index ? 1.0 : 0.0)
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Defs.tabItems[index].labelView(.clear).opacity(self.selectedIndex != index ? 1.0 : 0.0)
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}.offset(Defs.labelOffset)
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)
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Rectangle()
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.foregroundColor(.clear)
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.frame(height: self.selectedIndex == index ? 26 : 5)
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}
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.frame(width: proxy.size.width * 0.2)
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.contentShape( Rectangle() )
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.onTapGesture {
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withAnimation(.interactiveSpring(response: 0.4, dampingFraction: 0.7) ) { self.selectedIndex = index }
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}
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}
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}
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.background(
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Rectangle()
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.frame(height: Defs.topFrameSize.height + Defs.tabbarHeight + Defs.bottomSafeArea)
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.overlay(
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Circle()
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.foregroundColor(Defs.accentColor)
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.frame(width: Defs.iconCircleEdge, height: Defs.iconCircleEdge)
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.offset(CGSize(width: CGFloat(self.selectedIndex - 2) * (proxy.size.width * 0.2), height: -29))
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)
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.foregroundColor(.white)
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.offset(Defs.bottomSafeAreaOffset)
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.mask(
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VStack(spacing: 0) {
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TopFrameView()
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.frame(width: Defs.topFrameSize.width, height: Defs.topFrameSize.height)
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.offset(CGSize(width: CGFloat(self.selectedIndex - 2) * (proxy.size.width * 0.2), height: 0))
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Rectangle()
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.frame(height: Defs.tabbarHeight + Defs.bottomSafeArea)
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}.offset(Defs.bottomSafeAreaOffset)
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)
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.shadow(color: Color.black.opacity(0.3) , radius: 15, x: 0, y: 0)
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)
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.frame(height: Defs.topFrameSize.height + Defs.tabbarHeight)
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}
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}
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.ignoresSafeArea(edges: [.trailing, .leading])
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}
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.background(Defs.backgroundColor)
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}
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}
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struct TopFrameView_Previews: PreviewProvider {
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static var previews: some View {
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ContentView()
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}
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}
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```
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