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Add an item, 229, Update AxisSheet library.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| // | ||
| // P229_StarShape.swift | ||
| // | ||
| // | ||
| // Created by jasu on 2022/02/19. | ||
| // Copyright (c) 2022 jasu All rights reserved. | ||
| // | ||
|
|
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| import SwiftUI | ||
| import AxisSheet | ||
|
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| public struct P229_StarShape: View { | ||
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| @State private var count: CGFloat = 5 | ||
| @State private var ratio: CGFloat = 1 | ||
| @State private var isPresented: Bool = true | ||
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| public init() {} | ||
| public var body: some View { | ||
| ZStack { | ||
| VStack { | ||
| GeometryReader { proxy in | ||
| let min = min(proxy.size.width, proxy.size.height) | ||
| ZStack { | ||
| Color.clear | ||
| Star(count: round(count), innerRatio: ratio) | ||
| .fill(Color.accentColor) | ||
| .frame(width: min, height: min) | ||
| } | ||
| } | ||
| } | ||
| .padding() | ||
| .animation(.easeInOut, value: count) | ||
| .animation(.easeInOut, value: ratio) | ||
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| VStack { | ||
| HStack { | ||
| Text("Count : ") | ||
| Slider(value: $count, in: 1...10) | ||
| Text("\(count, specifier: "%.2f")") | ||
| } | ||
| HStack { | ||
| Text("InnerRatio : ") | ||
| Slider(value: $ratio, in: 0...2) | ||
| Text("\(ratio, specifier: "%.2f")") | ||
| } | ||
| } | ||
| .padding() | ||
| .adaptiveAxisSheet(isPresented: $isPresented, bottomSize: 110) | ||
| } | ||
| } | ||
| } | ||
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| fileprivate | ||
| struct Star: Shape { | ||
|
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| var count: CGFloat | ||
| var innerRatio: CGFloat | ||
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| var animatableData: AnimatablePair<CGFloat, CGFloat> { | ||
| get { AnimatablePair(count, innerRatio) } | ||
| set { | ||
| count = newValue.first | ||
| innerRatio = newValue.second | ||
| } | ||
| } | ||
|
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| func path(in rect: CGRect) -> Path { | ||
| let center = CGPoint(x: rect.width * 0.5, y: rect.height * 0.5) | ||
| let pointAngle = .pi / count | ||
|
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| let innerPoint = CGPoint(x: center.x * innerRatio * 0.5, y: center.y * innerRatio * 0.5) | ||
| let totalPoints = Int(count * 2.0) | ||
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| var currentAngle = CGFloat.pi * -0.5 | ||
| var currentBottom: CGFloat = 0 | ||
|
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| var path = Path() | ||
| path.move(to: CGPoint(x: center.x * cos(currentAngle), | ||
| y: center.y * sin(currentAngle))) | ||
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| let correction = count != round(count) ? 1 : 0 | ||
| for corner in 0..<totalPoints + correction { | ||
| var bottom: CGFloat = 0 | ||
| let sin = sin(currentAngle) | ||
| let cos = cos(currentAngle) | ||
| if (corner % 2) == 0 { | ||
| bottom = center.y * sin | ||
| path.addLine(to: CGPoint(x: center.x * cos, y: bottom)) | ||
| } else { | ||
| bottom = innerPoint.y * sin | ||
| path.addLine(to: CGPoint(x: innerPoint.x * cos, y: bottom)) | ||
| } | ||
| currentBottom = max(bottom, currentBottom) | ||
| currentAngle += pointAngle | ||
| } | ||
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| let transform = CGAffineTransform(translationX: center.x, y: center.y + ((rect.height * 0.5 - currentBottom) * 0.5)) | ||
| return path.applying(transform) | ||
| } | ||
| } | ||
|
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| struct P229_StarShape_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| P229_StarShape() | ||
| } | ||
| } |
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