Add "Drawing-and-Animation" > "Drawing-Paths-and-Shapes"

Author: WillieWangWei

Drawing-and-Animation/AppDelegate.swift

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+//
+//  AppDelegate.swift
+//  Drawing-and-Animation
+//
+//  Created by 王炜 on 2019/6/8.
+//  Copyright © 2019 Willie. All rights reserved.
+//
+
+import UIKit
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        // Override point for customization after application launch.
+        return true
+    }
+
+    func applicationWillTerminate(_ application: UIApplication) {
+        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+    }
+
+    // MARK: UISceneSession Lifecycle
+
+    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
+        // Called when a new scene session is being created.
+        // Use this method to select a configuration to create the new scene with.
+        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
+    }
+
+    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
+        // Called when the user discards a scene session.
+        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
+        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
+    }
+
+
+}
+

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_40x40.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_58x58.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_87x87.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_80x80.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_120x120.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_120x120-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "landmark_app_icon_180x180.png",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_40x40-1.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_58x58-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_40x40-2.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_80x80-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_76x76.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_152x152.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "landmark_app_icon_167x167.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "landmark_app_icon_1024x1024.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_1024x1024.png

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+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_120x120-1.png

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+//
+//  Badge.swift
+//  Drawing-and-Animation
+//
+//  Created by 王炜 on 2019/6/8.
+//  Copyright © 2019 Willie. All rights reserved.
+//
+
+import SwiftUI
+
+struct Badge: View {
+    static let rotationCount = 8
+    
+    var badgeSymbols: some View {
+        ForEach(0..<Badge.rotationCount) { i in
+            RotatedBadgeSymbol(
+                angle: .degrees(Double(i) / Double(Badge.rotationCount)) * 360.0
+            )
+            }
+            .opacity(0.5)
+    }
+    
+    var body: some View {
+        ZStack {
+            BadgeBackground()
+            
+            GeometryReader { geometry in
+                self.badgeSymbols
+                    .scaleEffect(1.0 / 4.0, anchor: .top)
+                    .position(x: geometry.size.width / 2.0, y: (3.0 / 4.0) * geometry.size.height)
+            }
+            }
+            .scaledToFit()
+    }
+}
+
+#if DEBUG
+struct Badge_Previews : PreviewProvider {
+    static var previews: some View {
+        Badge()
+    }
+}
+#endif

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_120x120.png

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+//
+//  BadgeBackground.swift.swift
+//  Drawing-and-Animation
+//
+//  Created by 王炜 on 2019/6/8.
+//  Copyright © 2019 Willie. All rights reserved.
+//
+
+import SwiftUI
+
+struct BadgeBackground: View {
+    var body: some View {
+        GeometryReader { geometry in
+            Path { path in
+                var width: CGFloat = min(geometry.size.width, geometry.size.height)
+                let height = width
+                let xScale: CGFloat = 0.832
+                let xOffset = (width * (1.0 - xScale)) / 2.0
+                width *= xScale
+                path.move(
+                    to: CGPoint(
+                        x: xOffset + width * 0.95,
+                        y: height * (0.20 + HexagonParameters.adjustment)
+                    )
+                )
+                
+                HexagonParameters.points.forEach {
+                    path.addLine(
+                        to: .init(
+                            x: xOffset + width * $0.useWidth.0 * $0.xFactors.0,
+                            y: height * $0.useHeight.0 * $0.yFactors.0
+                        )
+                    )
+                    
+                    path.addQuadCurve(
+                        to: .init(
+                            x: xOffset + width * $0.useWidth.1 * $0.xFactors.1,
+                            y: height * $0.useHeight.1 * $0.yFactors.1
+                        ),
+                        control: .init(
+                            x: xOffset + width * $0.useWidth.2 * $0.xFactors.2,
+                            y: height * $0.useHeight.2 * $0.yFactors.2
+                        )
+                    )
+                }
+                }
+                .fill(LinearGradient(
+                    gradient: .init(colors: [Self.gradientStart, Self.gradientEnd]),
+                    startPoint: .init(x: 0.5, y: 0),
+                    endPoint: .init(x: 0.5, y: 0.6)
+                ))
+                .aspectRatio(1, contentMode: .fit)
+        }
+    }
+    static let gradientStart = Color(red: 239.0 / 255, green: 120.0 / 255, blue: 221.0 / 255)
+    static let gradientEnd = Color(red: 239.0 / 255, green: 172.0 / 255, blue: 120.0 / 255)
+}
+
+
+#if DEBUG
+struct BadgeBackground_Previews: PreviewProvider {
+    static var previews: some View {
+        BadgeBackground()
+    }
+}
+#endif

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_152x152.png

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+//
+//  BadgeSymbol.swift
+//  Drawing-and-Animation
+//
+//  Created by 王炜 on 2019/6/8.
+//  Copyright © 2019 Willie. All rights reserved.
+//
+
+import SwiftUI
+
+struct BadgeSymbol: View {
+    static let symbolColor = Color(red: 79.0 / 255, green: 79.0 / 255, blue: 191.0 / 255)
+    
+    var body: some View {
+        GeometryReader { geometry in
+            Path { path in
+                let width = min(geometry.size.width, geometry.size.height)
+                let height = width * 0.75
+                let spacing = width * 0.030
+                let middle = width / 2
+                let topWidth = 0.226 * width
+                let topHeight = 0.488 * height
+                
+                path.addLines([
+                    CGPoint(x: middle, y: spacing),
+                    CGPoint(x: middle - topWidth, y: topHeight - spacing),
+                    CGPoint(x: middle, y: topHeight / 2 + spacing),
+                    CGPoint(x: middle + topWidth, y: topHeight - spacing),
+                    CGPoint(x: middle, y: spacing)
+                    ])
+                
+                path.move(to: CGPoint(x: middle, y: topHeight / 2 + spacing * 3))
+                path.addLines([
+                    CGPoint(x: middle - topWidth, y: topHeight + spacing),
+                    CGPoint(x: spacing, y: height - spacing),
+                    CGPoint(x: width - spacing, y: height - spacing),
+                    CGPoint(x: middle + topWidth, y: topHeight + spacing),
+                    CGPoint(x: middle, y: topHeight / 2 + spacing * 3)
+                    ])
+                }
+                .fill(Self.symbolColor)
+        }
+    }
+}
+
+#if DEBUG
+struct BadgeSymbol_Previews : PreviewProvider {
+    static var previews: some View {
+        BadgeSymbol()
+    }
+}
+#endif

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_167x167.png

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

Drawing-and-Animation/Assets.xcassets/AppIcon.appiconset/landmark_app_icon_180x180.png

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+//
+//  ContentView.swift
+//  Drawing-and-Animation
+//
+//  Created by 王炜 on 2019/6/8.
+//  Copyright © 2019 Willie. All rights reserved.
+//
+
+import SwiftUI
+
+struct ContentView : View {
+    var body: some View {
+        Text("Hello World")
+    }
+}
+
+#if DEBUG
+struct ContentView_Previews : PreviewProvider {
+    static var previews: some View {
+        ContentView()
+    }
+}
+#endif