├── .gitignore ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── README.md ├── example ├── .gitignore ├── .metadata ├── README.md ├── android │ ├── .gitignore │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── kotlin │ │ │ │ └── com │ │ │ │ │ └── example │ │ │ │ │ └── example │ │ │ │ │ └── MainActivity.kt │ │ │ └── res │ │ │ │ ├── drawable-v21 │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable │ │ │ │ └── launch_background.xml │ │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── values-night │ │ │ │ └── styles.xml │ │ │ │ └── values │ │ │ │ └── styles.xml │ │ │ └── profile │ │ │ └── AndroidManifest.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── assets │ ├── dash.jpg │ ├── mattis.jpeg │ └── people │ │ ├── people01.jpg │ │ ├── people02.jpg │ │ ├── people03.jpg │ │ ├── people04.jpg │ │ ├── people05.jpg │ │ ├── people06.jpg │ │ ├── people07.jpg │ │ ├── people08.jpg │ │ ├── people09.jpg │ │ ├── people10.jpg │ │ ├── people11.jpg │ │ ├── people12.jpg │ │ ├── people13.jpg │ │ ├── people14.jpg │ │ ├── people15.jpg │ │ ├── people16.jpg │ │ ├── people17.jpg │ │ ├── people18.jpg │ │ ├── people19.jpg │ │ ├── people20.jpg │ │ ├── people21.jpg │ │ ├── people22.jpg │ │ ├── people23.jpg │ │ ├── people24.jpg │ │ ├── people25.jpg │ │ ├── people26.jpg │ │ ├── people27.jpg │ │ ├── people28.jpg │ │ ├── people29.jpg │ │ ├── people30.jpg │ │ ├── people31.jpg │ │ ├── people32.jpg │ │ ├── people33.jpg │ │ ├── people34.jpg │ │ ├── people35.jpg │ │ ├── people36.jpg │ │ ├── people37.jpg │ │ ├── people38.jpg │ │ ├── people39.jpg │ │ ├── people40.jpg │ │ ├── people41.jpg │ │ ├── people42.jpg │ │ ├── people43.jpg │ │ ├── people44.jpg │ │ ├── people45.jpg │ │ └── people46.jpg ├── ios │ ├── .gitignore │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ └── Release.xcconfig │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ │ └── WorkspaceSettings.xcsettings │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── WorkspaceSettings.xcsettings │ └── Runner │ │ ├── AppDelegate.swift │ │ ├── Assets.xcassets │ │ ├── AppIcon.appiconset │ │ │ ├── Contents.json │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ ├── Icon-App-20x20@1x.png │ │ │ ├── Icon-App-20x20@2x.png │ │ │ ├── Icon-App-20x20@3x.png │ │ │ ├── Icon-App-29x29@1x.png │ │ │ ├── Icon-App-29x29@2x.png │ │ │ ├── Icon-App-29x29@3x.png │ │ │ ├── Icon-App-40x40@1x.png │ │ │ ├── Icon-App-40x40@2x.png │ │ │ ├── Icon-App-40x40@3x.png │ │ │ ├── Icon-App-60x60@2x.png │ │ │ ├── Icon-App-60x60@3x.png │ │ │ ├── Icon-App-76x76@1x.png │ │ │ ├── Icon-App-76x76@2x.png │ │ │ └── Icon-App-83.5x83.5@2x.png │ │ └── LaunchImage.imageset │ │ │ ├── Contents.json │ │ │ ├── LaunchImage.png │ │ │ ├── LaunchImage@2x.png │ │ │ ├── LaunchImage@3x.png │ │ │ └── README.md │ │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ │ ├── Info.plist │ │ └── Runner-Bridging-Header.h ├── lib │ └── main.dart ├── pubspec.lock ├── pubspec.yaml ├── test │ └── widget_test.dart └── web │ ├── favicon.png │ ├── icons │ ├── Icon-192.png │ └── Icon-512.png │ ├── index.html │ └── manifest.json ├── lib ├── animated_counter.dart ├── blocks_counter.dart ├── circle_wave_counter.dart ├── common.dart ├── creature_counter.dart ├── disks_counter.dart ├── image_bubble_counter.dart ├── particles_counter.dart ├── pixel_counter.dart ├── portrait_counter.dart ├── rotating_bubbles_counter.dart ├── rotating_planets_counter.dart ├── volcano_counter.dart └── wave_counter.dart ├── pubspec.lock ├── pubspec.yaml ├── ss ├── blocks.gif ├── circle_wave.gif ├── creatures.gif ├── disks.gif ├── image_bubble.gif ├── mattis.gif ├── particles.gif ├── pixel.gif ├── portrait.gif ├── rotating_bubbles.gif ├── rotating_planets.gif ├── triangles.gif ├── volcano.gif └── wave.gif ├── test └── animated_counter_test.dart └── volcano.png /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .flutter-plugins-dependencies 28 | .packages 29 | .pub-cache/ 30 | .pub/ 31 | build/ 32 | 33 | # Android related 34 | **/android/**/gradle-wrapper.jar 35 | **/android/.gradle 36 | **/android/captures/ 37 | **/android/gradlew 38 | **/android/gradlew.bat 39 | **/android/local.properties 40 | **/android/**/GeneratedPluginRegistrant.java 41 | 42 | # iOS/XCode related 43 | **/ios/**/*.mode1v3 44 | **/ios/**/*.mode2v3 45 | **/ios/**/*.moved-aside 46 | **/ios/**/*.pbxuser 47 | **/ios/**/*.perspectivev3 48 | **/ios/**/*sync/ 49 | **/ios/**/.sconsign.dblite 50 | **/ios/**/.tags* 51 | **/ios/**/.vagrant/ 52 | **/ios/**/DerivedData/ 53 | **/ios/**/Icon? 54 | **/ios/**/Pods/ 55 | **/ios/**/.symlinks/ 56 | **/ios/**/profile 57 | **/ios/**/xcuserdata 58 | **/ios/.generated/ 59 | **/ios/Flutter/App.framework 60 | **/ios/Flutter/Flutter.framework 61 | **/ios/Flutter/Flutter.podspec 62 | **/ios/Flutter/Generated.xcconfig 63 | **/ios/Flutter/app.flx 64 | **/ios/Flutter/app.zip 65 | **/ios/Flutter/flutter_assets/ 66 | **/ios/Flutter/flutter_export_environment.sh 67 | **/ios/ServiceDefinitions.json 68 | **/ios/Runner/GeneratedPluginRegistrant.* 69 | 70 | # 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # animated_counter 2 | ------------------------------------------------------------- 3 | 4 | A collection of animated counters sourced during the FlutterCounterChallenge2020. 5 | 6 | Block | Circle Wave | Creatures 7 | :-------------------------:|:-------------------------:|:-------------------------: 8 | ![Block](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/blocks.gif) | ![Circle Wave](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/circle_wave.gif) | ![Creatures](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/creatures.gif) 9 | 10 | Image Bubble |Particles | Portrait 11 | :-------------------------:|:-------------------------:|:-------------------------: 12 | ![Image Bubble](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/image_bubble.gif) |![Particles](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/particles.gif) | ![Portrait](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/portrait.gif) 13 | 14 | Rotating Bubbles | Rotating Planets | Volcano 15 | :-------------------------:|:-------------------------:|:-------------------------: 16 | ![Rotating Bubbles](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/rotating_bubbles.gif) | ![Rotating Planets](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/rotating_planets.gif)| ![Volcano](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/volcano.gif) 17 | 18 | Wave | Pixel | Disks 19 | :-------------------------:|:-------------------------:|:-------------------------: 20 | ![Wave](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/wave.gif) | ![Pixel](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/pixel.gif) | ![Disks](https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/ss/disks.gif) 21 | 22 | 23 | ## Features 24 | 25 | * Beautiful Smooth Animations 26 | * Ability to increment, decrement and get current counter value. 27 | * One stop destination for FlutterCounterChallenge2020 widgets. 28 | * Completely open source. 29 | * Added support for Null-Safety 30 | 31 | ## Supported platforms 32 | 33 | * Flutter Android 34 | * Flutter iOS 35 | * Flutter web 36 | * Flutter desktop 37 | 38 | ## Live preview 39 | 40 | http://ryuukenshi.github.io/animated_counter 41 | 42 | Note: This page is built with flutter-web, hence the animations may not be smooth. For a better user experience, please run the example app on a mobile device. 43 | 44 | ## Installation 45 | 46 | Add `animated_counter: 1.0.0` to your `pubspec.yaml` dependencies. And import it: 47 | 48 | ```dart 49 | import 'package:collapsible_sidebar/collapsible_sidebar.dart'; 50 | ``` 51 | 52 | ## How to use 53 | ----------------------------------------------- 54 | 55 | First create the object of the Animated Counter you wish to use. Then use its `build()` method to build it. Finally use the `incrementCounter()`, `decrementCounter()` and `getCounter()` methods to control the widget animations. 56 | 57 | ### Create the object of the animated counter you like 58 | 59 | ```dart 60 | BlocksCounter block = BlocksCounter(initialCounter: 0); 61 | DisksCounter disk = DisksCounter(initialCounter: 0); 62 | WaveCounter wave = WaveCounter(initialCounter: 0); 63 | CircleWaveCounter circle; 64 | RotatingBubblesCounter bub = RotatingBubblesCounter(initialCounter: 0, initialColors: [Colors.red, Colors.green, Colors.blue]); 65 | RotatingPlanetsCounter plan = RotatingPlanetsCounter(initialCounter: 0, initialColors: [Colors.red, Colors.green, Colors.blue]); 66 | CreatureCounter cre; 67 | ImageBubbleCounter imgbub = ImageBubbleCounter(initialCounter: 0, image: 'assets/dash.jpg'); 68 | PortraitCounter por = PortraitCounter(initialCounter: 0, image: 'assets/mattis.jpeg'); 69 | ParticlesCounter part; 70 | VolcanoCounter vol = VolcanoCounter(initialCounter: 0, enableSky: true); 71 | PixelCounter pix = PixelCounter(initialCounter: 0); 72 | 73 | @override 74 | void initState() { 75 | circle = CircleWaveCounter(vsync: this, initialCounter: 0, initialColors: [Colors.red, Colors.green, Colors.blue]); 76 | cre = CreatureCounter(vsync: this, initialCounter: 0, initialColors: [Colors.red, Colors.green, Colors.blue]); 77 | part = ParticlesCounter(initialCounter: 0, images: ['image1.jpg', 'image2.jpg', 'image3.jpg', 'image4.jpg', 'image5.jpg']); 78 | super.initState(); 79 | } 80 | ``` 81 | `CircleWaveCounter()` and `CreatureCounter()` require a vsync hence the parent class needs to extend `TickerProviderStateMixin` to use these counters. 82 | 83 | ### Use it in widget tree using `build()` method. Control it using the `incrementCounter()`, `decrementCounter()` and `getCounter()` methods. 84 | 85 | ```dart 86 | @override 87 | Widget build(BuildContext context) { 88 | return Scaffold( 89 | body: PageView( 90 | children: [ 91 | block.build(context), 92 | disk.build(context), 93 | wave.build(context), 94 | circle.build(context), 95 | bub.build(context), 96 | plan.build(context), 97 | cre.build(context), 98 | imgbub.build(context), 99 | por.build(context), 100 | part.build(context), 101 | vol.build(context), 102 | pix.build(context), 103 | ], 104 | ), 105 | floatingActionButton: FloatingActionButton( 106 | onPressed: (){ 107 | setState(() { 108 | block.incrementCounter(); 109 | disk.incrementCounter(); 110 | wave.incrementCounter(); 111 | circle.incrementCounter(); 112 | bub.incrementCounter(); 113 | plan.incrementCounter(); 114 | cre.incrementCounter(); 115 | imgbub.incrementCounter(); 116 | por.incrementCounter(); 117 | part.incrementCounter(); 118 | vol.incrementCounter(); 119 | pix.incrementCounter(); 120 | }); 121 | }, 122 | ), 123 | ); 124 | } 125 | ``` 126 | 127 | ## License 128 | -------------------------------------------------------------- 129 | 130 | Apache 2.0 131 | 132 | ## Credits 133 | ---------------------------------------------------------- 134 | This package was made possible with code open-sourced by these awesome devs: 135 | * [Romain Rastel](https://github.com/letsar) 🌟🌟🌟 136 | * [Mahmoud Ashour](https://github.com/MeitanteiAshour) 🌟 137 | -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | **/ios/Flutter/.last_build_id 26 | .dart_tool/ 27 | .flutter-plugins 28 | .flutter-plugins-dependencies 29 | .packages 30 | .pub-cache/ 31 | .pub/ 32 | /build/ 33 | 34 | # Web related 35 | lib/generated_plugin_registrant.dart 36 | 37 | # Symbolication related 38 | app.*.symbols 39 | 40 | # Obfuscation related 41 | app.*.map.json 42 | 43 | # Android Studio will place build artifacts here 44 | /android/app/debug 45 | /android/app/profile 46 | /android/app/release 47 | -------------------------------------------------------------------------------- /example/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 022b333a089afb81c471ec43d1f1f4f26305d876 8 | channel: beta 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # example 2 | 3 | A new Flutter project. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /example/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | -------------------------------------------------------------------------------- /example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 29 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "com.example.example" 42 | minSdkVersion 16 43 | targetSdkVersion 29 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | } 47 | 48 | buildTypes { 49 | release { 50 | // TODO: Add your own signing config for the release build. 51 | // Signing with the debug keys for now, so `flutter run --release` works. 52 | signingConfig signingConfigs.debug 53 | } 54 | } 55 | } 56 | 57 | flutter { 58 | source '../..' 59 | } 60 | 61 | dependencies { 62 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 63 | } 64 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 13 | 17 | 21 | 26 | 30 | 31 | 32 | 33 | 34 | 35 | 37 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/com/example/example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | 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/example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | android.enableR8=true 5 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip 7 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /example/assets/dash.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/assets/dash.jpg -------------------------------------------------------------------------------- /example/assets/mattis.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/assets/mattis.jpeg 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above rules. 29 | !default.mode1v3 30 | !default.mode2v3 31 | !default.pbxuser 32 | !default.perspectivev3 33 | -------------------------------------------------------------------------------- /example/ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | 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-------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png: 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"universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- 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You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /example/ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /example/ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | example 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'package:animated_counter/animated_counter.dart'; 4 | 5 | void main() { 6 | runApp(const MyApp()); 7 | } 8 | 9 | class MyApp extends StatelessWidget { 10 | const MyApp({ 11 | Key key, 12 | }) : super(key: key); 13 | 14 | @override 15 | Widget build(BuildContext context) { 16 | return MaterialApp( 17 | debugShowCheckedModeBanner: false, 18 | title: 'Flutter Demo', 19 | theme: ThemeData(primarySwatch: Colors.blue), 20 | home: Demos(), 21 | ); 22 | } 23 | } 24 | 25 | class Demos extends StatefulWidget { 26 | @override 27 | _DemosState createState() => _DemosState(); 28 | } 29 | 30 | class _DemosState extends State with TickerProviderStateMixin { 31 | TabController _controller; 32 | 33 | BlocksCounter block = BlocksCounter( 34 | initialCounter: 0, color: Colors.red, blend: BlendMode.lighten); 35 | DisksCounter disk = DisksCounter(initialCounter: 0, color: Colors.blue); 36 | WaveCounter wave = WaveCounter(initialCounter: 0, color: Colors.orange); 37 | CircleWaveCounter circle; 38 | RotatingBubblesCounter bub = RotatingBubblesCounter( 39 | initialCounter: 0, 40 | initialColors: [Colors.red, Colors.green, Colors.blue], 41 | blend: BlendMode.lighten); 42 | RotatingPlanetsCounter plan = RotatingPlanetsCounter( 43 | initialCounter: 0, 44 | initialColors: [Colors.red, Colors.green, Colors.blue], 45 | blend: BlendMode.lighten); 46 | CreatureCounter cre; 47 | ImageBubbleCounter imgbub = 48 | ImageBubbleCounter(initialCounter: 0, image: 'assets/dash.jpg'); 49 | PortraitCounter por = 50 | PortraitCounter(initialCounter: 0, image: 'assets/mattis.jpeg'); 51 | ParticlesCounter part; 52 | VolcanoCounter vol = VolcanoCounter(initialCounter: 0, enableSky: true); 53 | PixelCounter pix = PixelCounter(initialCounter: 0, color: Colors.cyan); 54 | 55 | List getAssetName() { 56 | List names = List(); 57 | for (int i = 1; i < 47; i++) { 58 | final n = i < 10 ? '0$i' : '$i'; 59 | names.add('assets/people/people$n.jpg'); 60 | } 61 | return names; 62 | } 63 | 64 | @override 65 | void initState() { 66 | _controller = TabController(length: 12, vsync: this); 67 | 68 | circle = CircleWaveCounter( 69 | vsync: this, 70 | initialCounter: 0, 71 | initialColors: [Colors.red, Colors.green, Colors.blue], 72 | blend: BlendMode.lighten); 73 | cre = CreatureCounter( 74 | vsync: this, 75 | initialCounter: 0, 76 | initialColors: [Colors.red, Colors.green, Colors.blue]); 77 | part = ParticlesCounter(initialCounter: 0, images: getAssetName()); 78 | super.initState(); 79 | } 80 | 81 | @override 82 | Widget build(BuildContext context) { 83 | return Scaffold( 84 | backgroundColor: Colors.black, 85 | appBar: AppBar( 86 | title: const Text( 87 | 'Counter Demos: Press [+] to increment counter and [-] to decrement counter.'), 88 | bottom: TabBar( 89 | controller: _controller, 90 | isScrollable: true, 91 | tabs: [ 92 | Tab( 93 | text: 'Block', 94 | ), 95 | Tab( 96 | text: 'Disk', 97 | ), 98 | Tab( 99 | text: 'Wave', 100 | ), 101 | Tab( 102 | text: 'CircleWave', 103 | ), 104 | Tab( 105 | text: 'RotatingBubbles', 106 | ), 107 | Tab( 108 | text: 'RotatingPlanets', 109 | ), 110 | Tab( 111 | text: 'Creature', 112 | ), 113 | Tab( 114 | text: 'ImageBubble', 115 | ), 116 | Tab( 117 | text: 'Portrait', 118 | ), 119 | Tab( 120 | text: 'Particles', 121 | ), 122 | Tab( 123 | text: 'Volcano', 124 | ), 125 | Tab( 126 | text: 'Pixel', 127 | ) 128 | ], 129 | ), 130 | ), 131 | body: Stack( 132 | alignment: Alignment.bottomCenter, 133 | children: [ 134 | TabBarView( 135 | controller: _controller, 136 | children: [ 137 | block.build(context), 138 | disk.build(context), 139 | wave.build(context), 140 | circle.build(context), 141 | bub.build(context), 142 | plan.build(context), 143 | cre.build(context), 144 | imgbub.build(context), 145 | por.build(context), 146 | part.build(context), 147 | vol.build(context), 148 | pix.build(context), 149 | ], 150 | ), 151 | Padding( 152 | padding: const EdgeInsets.only(bottom: 10), 153 | child: Row( 154 | mainAxisSize: MainAxisSize.max, 155 | mainAxisAlignment: MainAxisAlignment.center, 156 | children: [ 157 | FloatingActionButton( 158 | child: Icon(Icons.remove), 159 | onPressed: () { 160 | setState(() { 161 | block.decrementCounter(); 162 | disk.decrementCounter(); 163 | wave.decrementCounter(); 164 | circle.decrementCounter(); 165 | bub.decrementCounter(); 166 | plan.decrementCounter(); 167 | cre.decrementCounter(); 168 | imgbub.decrementCounter(); 169 | por.decrementCounter(); 170 | part.decrementCounter(); 171 | vol.decrementCounter(); 172 | pix.decrementCounter(); 173 | }); 174 | }, 175 | ), 176 | SizedBox( 177 | width: 50, 178 | ), 179 | FloatingActionButton( 180 | child: Icon(Icons.add), 181 | onPressed: () { 182 | setState(() { 183 | block.incrementCounter(); 184 | disk.incrementCounter(); 185 | wave.incrementCounter(); 186 | circle.incrementCounter(); 187 | bub.incrementCounter(); 188 | plan.incrementCounter(); 189 | cre.incrementCounter(); 190 | imgbub.incrementCounter(); 191 | por.incrementCounter(); 192 | part.incrementCounter(); 193 | vol.incrementCounter(); 194 | pix.incrementCounter(); 195 | }); 196 | }, 197 | ), 198 | ], 199 | ), 200 | ) 201 | ], 202 | ), 203 | ); 204 | } 205 | } 206 | -------------------------------------------------------------------------------- /example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | animated_counter: 5 | dependency: "direct main" 6 | description: 7 | path: ".." 8 | relative: true 9 | source: path 10 | version: "0.0.7" 11 | async: 12 | dependency: transitive 13 | description: 14 | name: async 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.5.0" 18 | boolean_selector: 19 | dependency: transitive 20 | description: 21 | name: boolean_selector 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "2.1.0" 25 | characters: 26 | dependency: transitive 27 | description: 28 | name: characters 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.1.0" 32 | charcode: 33 | dependency: transitive 34 | description: 35 | name: charcode 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.2.0" 39 | clock: 40 | dependency: transitive 41 | description: 42 | name: clock 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.1.0" 46 | collection: 47 | dependency: transitive 48 | description: 49 | name: collection 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.15.0" 53 | fake_async: 54 | dependency: transitive 55 | description: 56 | name: fake_async 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "1.2.0" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_test: 66 | dependency: "direct dev" 67 | description: flutter 68 | source: sdk 69 | version: "0.0.0" 70 | matcher: 71 | dependency: transitive 72 | description: 73 | name: matcher 74 | url: "https://pub.dartlang.org" 75 | source: hosted 76 | version: "0.12.10" 77 | meta: 78 | dependency: transitive 79 | description: 80 | name: meta 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "1.3.0" 84 | path: 85 | dependency: transitive 86 | description: 87 | name: path 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "1.8.0" 91 | sky_engine: 92 | dependency: transitive 93 | description: flutter 94 | source: sdk 95 | version: "0.0.99" 96 | source_span: 97 | dependency: transitive 98 | description: 99 | name: source_span 100 | url: "https://pub.dartlang.org" 101 | source: hosted 102 | version: "1.8.1" 103 | stack_trace: 104 | dependency: transitive 105 | description: 106 | name: stack_trace 107 | url: "https://pub.dartlang.org" 108 | source: hosted 109 | version: "1.10.0" 110 | stream_channel: 111 | dependency: transitive 112 | description: 113 | name: stream_channel 114 | url: "https://pub.dartlang.org" 115 | source: hosted 116 | version: "2.1.0" 117 | string_scanner: 118 | dependency: transitive 119 | description: 120 | name: string_scanner 121 | url: "https://pub.dartlang.org" 122 | source: hosted 123 | version: "1.1.0" 124 | term_glyph: 125 | dependency: transitive 126 | description: 127 | name: term_glyph 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "1.2.0" 131 | test_api: 132 | dependency: transitive 133 | description: 134 | name: test_api 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "0.2.19" 138 | typed_data: 139 | dependency: transitive 140 | description: 141 | name: typed_data 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "1.3.0" 145 | vector_math: 146 | dependency: transitive 147 | description: 148 | name: vector_math 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "2.1.0" 152 | sdks: 153 | dart: ">=2.12.0 <3.0.0" 154 | flutter: ">=1.17.0" 155 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: example 2 | description: A new Flutter project. 3 | 4 | # The following line prevents the package from being accidentally published to 5 | # pub.dev using `pub publish`. This is preferred for private packages. 6 | publish_to: 'none' # Remove this line if you wish to publish to pub.dev 7 | 8 | # The following defines the version and build number for your application. 9 | # A version number is three numbers separated by dots, like 1.2.43 10 | # followed by an optional build number separated by a +. 11 | # Both the version and the builder number may be overridden in flutter 12 | # build by specifying --build-name and --build-number, respectively. 13 | # In Android, build-name is used as versionName while build-number used as versionCode. 14 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 15 | # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. 16 | # Read more about iOS versioning at 17 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 18 | version: 1.0.0+1 19 | 20 | environment: 21 | sdk: ">=2.7.0 <3.0.0" 22 | 23 | dependencies: 24 | flutter: 25 | sdk: flutter 26 | 27 | 28 | # The following adds the Cupertino Icons font to your application. 29 | # Use with the CupertinoIcons class for iOS style icons. 30 | animated_counter: 31 | path: ../ 32 | 33 | dev_dependencies: 34 | flutter_test: 35 | sdk: flutter 36 | 37 | # For information on the generic Dart part of this file, see the 38 | # following page: https://dart.dev/tools/pub/pubspec 39 | 40 | # The following section is specific to Flutter. 41 | flutter: 42 | 43 | # The following line ensures that the Material Icons font is 44 | # included with your application, so that you can use the icons in 45 | # the material Icons class. 46 | uses-material-design: true 47 | 48 | # To add assets to your application, add an assets section, like this: 49 | assets: 50 | - assets/ 51 | - assets/people/ 52 | # - images/a_dot_ham.jpeg 53 | 54 | # An image asset can refer to one or more resolution-specific "variants", see 55 | # https://flutter.dev/assets-and-images/#resolution-aware. 56 | 57 | # For details regarding adding assets from package dependencies, see 58 | # https://flutter.dev/assets-and-images/#from-packages 59 | 60 | # To add custom fonts to your application, add a fonts section here, 61 | # in this "flutter" section. Each entry in this list should have a 62 | # "family" key with the font family name, and a "fonts" key with a 63 | # list giving the asset and other descriptors for the font. For 64 | # example: 65 | # fonts: 66 | # - family: Schyler 67 | # fonts: 68 | # - asset: fonts/Schyler-Regular.ttf 69 | # - asset: fonts/Schyler-Italic.ttf 70 | # style: italic 71 | # - family: Trajan Pro 72 | # fonts: 73 | # - asset: fonts/TrajanPro.ttf 74 | # - asset: fonts/TrajanPro_Bold.ttf 75 | # weight: 700 76 | # 77 | # For details regarding fonts from package dependencies, 78 | # see https://flutter.dev/custom-fonts/#from-packages 79 | -------------------------------------------------------------------------------- /example/test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility that Flutter provides. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import 'package:example/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | -------------------------------------------------------------------------------- /example/web/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/web/favicon.png -------------------------------------------------------------------------------- /example/web/icons/Icon-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/web/icons/Icon-192.png -------------------------------------------------------------------------------- /example/web/icons/Icon-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/example/web/icons/Icon-512.png -------------------------------------------------------------------------------- /example/web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | example 30 | 31 | 32 | 33 | 36 | 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "example", 3 | "short_name": "example", 4 | "start_url": ".", 5 | "display": "standalone", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter project.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | } 22 | ] 23 | } 24 | -------------------------------------------------------------------------------- /lib/animated_counter.dart: -------------------------------------------------------------------------------- 1 | library animated_counter; 2 | 3 | export 'blocks_counter.dart'; 4 | export 'circle_wave_counter.dart'; 5 | export 'creature_counter.dart'; 6 | export 'disks_counter.dart'; 7 | export 'image_bubble_counter.dart'; 8 | export 'particles_counter.dart'; 9 | export 'portrait_counter.dart'; 10 | export 'rotating_bubbles_counter.dart'; 11 | export 'rotating_planets_counter.dart'; 12 | export 'volcano_counter.dart'; 13 | export 'wave_counter.dart'; 14 | export 'pixel_counter.dart'; 15 | -------------------------------------------------------------------------------- /lib/blocks_counter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | class BlocksCounter { 6 | BlocksCounter( 7 | {required int initialCounter, 8 | Color color = Colors.white, 9 | BlendMode blend = BlendMode.difference}) { 10 | _counter = initialCounter; 11 | _color = color; 12 | _blend = blend; 13 | for (int i = 0; i < _counter!; i++) { 14 | final dx = _random.nextInt(_blockCount); 15 | final dy = (_lastIndices[dx] - 1) % _blockCount; 16 | _lastIndices[dx] = dy; 17 | _indices.add(Offset(dx.toDouble(), dy.toDouble())); 18 | } 19 | } 20 | static const _blockCount = 5; 21 | final Random _random = Random(); 22 | final List _indices = []; 23 | final List _lastIndices = List.filled(_blockCount, _blockCount); 24 | int? _counter; 25 | Color? _color; 26 | BlendMode? _blend; 27 | 28 | void incrementCounter() { 29 | _counter = _counter! + 1; 30 | final dx = _random.nextInt(_blockCount); 31 | final dy = (_lastIndices[dx] - 1) % _blockCount; 32 | _lastIndices[dx] = dy; 33 | _indices.add(Offset(dx.toDouble(), dy.toDouble())); 34 | } 35 | 36 | void decrementCounter() { 37 | if (_counter! > 0) { 38 | _counter = _counter! - 1; 39 | _indices.removeLast(); 40 | } 41 | } 42 | 43 | int? getCounter() { 44 | return _counter; 45 | } 46 | 47 | Widget build(BuildContext context) { 48 | return LayoutBuilder( 49 | builder: (_, constraints) { 50 | final blockSize = Size( 51 | constraints.maxWidth / _blockCount, 52 | constraints.maxHeight / _blockCount, 53 | ); 54 | return Stack( 55 | children: [ 56 | for (int i = 0; i < _indices.length; i++) 57 | Positioned.fill( 58 | child: _Block( 59 | blockSize: blockSize, 60 | endOffset: Offset( 61 | _indices[i].dx * blockSize.width, 62 | _indices[i].dy * blockSize.height, 63 | ), 64 | color: _color, 65 | blend: _blend, 66 | ), 67 | ), 68 | ], 69 | ); 70 | }, 71 | ); 72 | } 73 | } 74 | 75 | class _Block extends StatefulWidget { 76 | const _Block({ 77 | Key? key, 78 | this.blockSize, 79 | this.endOffset, 80 | this.color, 81 | this.blend, 82 | }) : super(key: key); 83 | 84 | final Size? blockSize; 85 | final Offset? endOffset; 86 | final Color? color; 87 | final BlendMode? blend; 88 | 89 | @override 90 | __BlockState createState() => __BlockState(); 91 | } 92 | 93 | class __BlockState extends State<_Block> with SingleTickerProviderStateMixin { 94 | late AnimationController controller; 95 | Animation? offset; 96 | 97 | @override 98 | void initState() { 99 | super.initState(); 100 | 101 | final endOffset = widget.endOffset!; 102 | final blockHeight = widget.blockSize!.height; 103 | final distance = blockHeight + endOffset.dy; 104 | final duration = (distance * 2).toInt(); 105 | 106 | controller = AnimationController( 107 | vsync: this, 108 | duration: Duration(milliseconds: duration), 109 | )..forward(); 110 | 111 | offset = controller.drive( 112 | Tween( 113 | begin: Offset(endOffset.dx, -blockHeight), 114 | end: endOffset, 115 | ), 116 | ); 117 | } 118 | 119 | @override 120 | void dispose() { 121 | controller.dispose(); 122 | super.dispose(); 123 | } 124 | 125 | @override 126 | Widget build(BuildContext context) { 127 | return CustomPaint( 128 | painter: _BlockPainter( 129 | offset, 130 | widget.blockSize, 131 | widget.color, 132 | widget.blend, 133 | ), 134 | ); 135 | } 136 | } 137 | 138 | class _BlockPainter extends CustomPainter { 139 | _BlockPainter( 140 | this.offset, 141 | this.blockSize, 142 | this.color, 143 | this.blend, 144 | ) : super(repaint: offset); 145 | 146 | final Animation? offset; 147 | final Size? blockSize; 148 | final Color? color; 149 | final BlendMode? blend; 150 | @override 151 | void paint(Canvas canvas, Size size) { 152 | canvas.drawRect( 153 | offset!.value & blockSize!, 154 | Paint() 155 | ..color = color! 156 | ..blendMode = blend!, 157 | ); 158 | } 159 | 160 | @override 161 | bool shouldRepaint(_BlockPainter oldDelegate) => false; 162 | } 163 | -------------------------------------------------------------------------------- /lib/circle_wave_counter.dart: -------------------------------------------------------------------------------- 1 | // Credits to https://dribbble.com/shots/1698964-Circle-wave-II 2 | 3 | import 'dart:math' as math; 4 | import 'dart:ui'; 5 | 6 | import 'package:flutter/material.dart'; 7 | 8 | import 'common.dart'; 9 | 10 | class CircleWaveCounter { 11 | CircleWaveCounter( 12 | {required TickerProvider vsync, 13 | required List initialColors, 14 | required int initialCounter, 15 | BlendMode blend = BlendMode.hardLight}) { 16 | _counter = initialCounter; 17 | _colors = initialColors; 18 | _blend = blend; 19 | 20 | _controller = AnimationController( 21 | vsync: vsync, 22 | upperBound: 2, 23 | duration: const Duration(seconds: 10), 24 | )..repeat(); 25 | _addPointController = AnimationController( 26 | vsync: vsync, 27 | duration: const Duration(milliseconds: 500), 28 | ); 29 | _addPointAnimation = 30 | _addPointController.drive(CurveTween(curve: Curves.ease)); 31 | 32 | for (int i = 0; i < _counter!; i++) { 33 | _addPointController.forward(from: 0); 34 | } 35 | } 36 | 37 | late List _colors; 38 | AnimationController? _controller; 39 | late AnimationController _addPointController; 40 | Animation? _addPointAnimation; 41 | int? _counter; 42 | BlendMode? _blend; 43 | 44 | void incrementCounter() { 45 | _counter = _counter! + 1; 46 | _addPointController.forward(from: 0); 47 | } 48 | 49 | void decrementCounter() { 50 | if (_counter! > 0) { 51 | _counter = _counter! - 1; 52 | _addPointController.forward(from: 0); 53 | } 54 | } 55 | 56 | int? getCounter() { 57 | return _counter; 58 | } 59 | 60 | Widget build(BuildContext context) { 61 | return Stack( 62 | children: [ 63 | for (int i = 0; i < _colors.length; i++) 64 | Positioned.fill( 65 | child: TweenAnimationBuilder( 66 | tween: Tween(begin: 0, end: 1), 67 | duration: const Duration(milliseconds: 500), 68 | curve: Curves.easeIn, 69 | builder: (_, double opacity, __) { 70 | return CustomPaint( 71 | painter: _CircleWavePainter( 72 | _controller, 73 | _addPointAnimation, 74 | i, 75 | _colors[i].withOpacity(opacity), 76 | _counter, 77 | _blend, 78 | ), 79 | ); 80 | }, 81 | ), 82 | ), 83 | ], 84 | ); 85 | } 86 | } 87 | 88 | class _CircleWavePainter extends CustomPainter { 89 | _CircleWavePainter( 90 | this.animation, 91 | this.addAnimation, 92 | this.index, 93 | this.color, 94 | this.count, 95 | this.blend, 96 | ) : super(repaint: animation); 97 | final Animation? animation; 98 | final Animation? addAnimation; 99 | final int index; 100 | final Color color; 101 | final int? count; 102 | final BlendMode? blend; 103 | 104 | static const halfPi = math.pi / 2; 105 | static const twoPi = math.pi * 2; 106 | final n = 7; 107 | 108 | @override 109 | void paint(Canvas canvas, Size size) { 110 | final t = animation!.value; 111 | final halfWidth = size.width / 2; 112 | final halfHeight = size.height / 2; 113 | final q = index * halfPi; 114 | 115 | List computeOffsets(int length) { 116 | final offsets = []; 117 | for (var i = 0; i < length; i++) { 118 | final th = i * twoPi / length; 119 | double os = map(math.cos(th - twoPi * t), -1, 1, 0, 1); 120 | os = 0.125 * math.pow(os, 2.75); 121 | final r = 165 * (1 + os * math.cos(n * th + 1.5 * twoPi * t + q)); 122 | offsets.add(Offset( 123 | r * math.sin(th) + halfWidth, -r * math.cos(th) + halfHeight)); 124 | } 125 | return offsets; 126 | } 127 | 128 | final offsets = computeOffsets(count!); 129 | 130 | if (count! > 1 && addAnimation!.value < 1) { 131 | final t = addAnimation!.value; 132 | final oldOffsets = computeOffsets(count! - 1); 133 | for (var i = 0; i < count! - 1; i++) { 134 | offsets[i] = Offset.lerp(oldOffsets[i], offsets[i], t); 135 | } 136 | offsets[count! - 1] = Offset.lerp( 137 | oldOffsets[count! - 2], 138 | offsets[count! - 1], 139 | t, 140 | ); 141 | } 142 | 143 | final path = Path()..addPolygon(offsets as List, true); 144 | canvas.drawPath( 145 | path, 146 | Paint() 147 | ..blendMode = blend! 148 | ..color = color 149 | ..strokeWidth = 8 150 | ..style = PaintingStyle.stroke, 151 | ); 152 | } 153 | 154 | @override 155 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 156 | return false; 157 | } 158 | } 159 | -------------------------------------------------------------------------------- /lib/common.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:flutter/services.dart'; 5 | 6 | double map(double x, double minIn, double maxIn, double minOut, double maxOut) { 7 | return (x - minIn) * (maxOut - minOut) / (maxIn - minIn) + minOut; 8 | } 9 | 10 | final Random _random = Random(); 11 | 12 | double randNextD(double max) => _random.nextDouble() * max; 13 | int randNextI(int max) => _random.nextInt(max); 14 | double randD(double min, double max) => _random.d(min, max); 15 | int randI(int min, int max) => _random.i(min, max); 16 | 17 | extension RandomExtension on Random { 18 | double d(double min, double max) { 19 | return nextDouble() * (max - min) + min; 20 | } 21 | 22 | int i(int min, int max) { 23 | return nextInt(max - min) + min; 24 | } 25 | } 26 | 27 | class Pixels { 28 | const Pixels({ 29 | required this.byteData, 30 | required this.width, 31 | required this.height, 32 | }); 33 | 34 | final ByteData? byteData; 35 | final int width; 36 | final int height; 37 | 38 | Color getColorAt(int x, int y) { 39 | final offset = 4 * (x + y * width); 40 | final rgba = byteData!.getUint32(offset); 41 | final a = rgba & 0xFF; 42 | final rgb = rgba >> 8; 43 | final argb = (a << 24) + rgb; 44 | return Color(argb); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /lib/creature_counter.dart: -------------------------------------------------------------------------------- 1 | // Credits to https://gist.github.com/beesandbombs/6f3e6fb723f50b080916816ae8e561e3 2 | 3 | import 'dart:math' as math; 4 | import 'dart:ui'; 5 | 6 | import 'package:flutter/material.dart'; 7 | 8 | import 'common.dart'; 9 | 10 | class CreatureCounter { 11 | CreatureCounter( 12 | {required TickerProvider vsync, 13 | required List initialColors, 14 | required int initialCounter, 15 | BlendMode blend = BlendMode.hardLight}) { 16 | _counter = initialCounter; 17 | _colors = initialColors; 18 | _blend = blend; 19 | 20 | _controller = AnimationController( 21 | vsync: vsync, 22 | upperBound: 2, 23 | duration: const Duration(seconds: 10), 24 | )..repeat(); 25 | _addPointController = AnimationController( 26 | vsync: vsync, 27 | duration: const Duration(milliseconds: 500), 28 | ); 29 | _addPointAnimation = 30 | _addPointController.drive(CurveTween(curve: Curves.ease)); 31 | } 32 | 33 | late List _colors; 34 | int? _counter; 35 | BlendMode? _blend; 36 | 37 | AnimationController? _controller; 38 | late AnimationController _addPointController; 39 | Animation? _addPointAnimation; 40 | 41 | void incrementCounter() { 42 | _counter = _counter! + 1; 43 | _addPointController.forward(from: 0); 44 | } 45 | 46 | void decrementCounter() { 47 | if (_counter! > 0) { 48 | _counter = _counter! - 1; 49 | _addPointController.forward(from: 0); 50 | } 51 | } 52 | 53 | int? getCounter() { 54 | return _counter; 55 | } 56 | 57 | Widget build(BuildContext context) { 58 | return Stack( 59 | children: [ 60 | for (int i = 0; i < _counter!; i++) 61 | Positioned.fill( 62 | child: TweenAnimationBuilder( 63 | tween: Tween(begin: 0, end: 1), 64 | duration: const Duration(milliseconds: 500), 65 | curve: Curves.easeIn, 66 | builder: (_, double opacity, __) { 67 | return CustomPaint( 68 | painter: _CreaturePainter( 69 | _controller, 70 | _addPointAnimation, 71 | i, 72 | _colors[i % _colors.length].withOpacity(opacity), 73 | _counter, 74 | _blend, 75 | ), 76 | ); 77 | }, 78 | ), 79 | ), 80 | ], 81 | ); 82 | } 83 | } 84 | 85 | class _CreaturePainter extends CustomPainter { 86 | _CreaturePainter( 87 | this.animation, 88 | this.addAnimation, 89 | this.index, 90 | this.color, 91 | this.count, 92 | this.blend, 93 | ) : super(repaint: animation); 94 | final Animation? animation; 95 | final Animation? addAnimation; 96 | final int index; 97 | final Color color; 98 | final int? count; 99 | final BlendMode? blend; 100 | 101 | static const twoPi = math.pi * 2; 102 | final n = 300; 103 | 104 | @override 105 | void paint(Canvas canvas, Size size) { 106 | final t = animation!.value; 107 | final halfWidth = size.width / 2; 108 | final halfHeight = size.height / 2; 109 | final q = twoPi * index / count!; 110 | canvas.translate(halfWidth, halfHeight); 111 | if (index > 0 && count! > 2) { 112 | canvas.rotate(twoPi * 113 | (index / (count! - 1)) * 114 | (count! - addAnimation!.value) / 115 | count!); 116 | } else { 117 | canvas.rotate(q); 118 | } 119 | 120 | List computeOffsets(int? length) { 121 | final offsets = []; 122 | for (var i = 0; i < n; i++) { 123 | final qq = i / (n - 1); 124 | final r = map(math.cos(twoPi * qq), 1, -1, 0, 42) * math.sqrt(qq); 125 | final th = 12 * twoPi * qq - 4 * twoPi * t - q; 126 | final x = r * math.cos(th); 127 | final y = -(halfWidth - 10) * qq + r * math.sin(th); 128 | final tw = math.pi / 10 * math.sin(twoPi * t - math.pi * qq); 129 | final xx = x * math.cos(tw) + y * math.sin(tw); 130 | final yy = y * math.cos(tw) - x * math.sin(tw); 131 | 132 | offsets.add(Offset(xx, yy)); 133 | } 134 | return offsets; 135 | } 136 | 137 | final offsets = computeOffsets(count); 138 | 139 | final path = Path()..addPolygon(offsets, false); 140 | canvas.drawPath( 141 | path, 142 | Paint() 143 | ..blendMode = blend! 144 | ..color = color 145 | ..strokeWidth = 5 146 | ..style = PaintingStyle.stroke 147 | ..maskFilter = const MaskFilter.blur(BlurStyle.solid, 10), 148 | ); 149 | } 150 | 151 | @override 152 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 153 | return false; 154 | } 155 | } 156 | -------------------------------------------------------------------------------- /lib/disks_counter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | class DisksCounter { 6 | DisksCounter( 7 | {required int initialCounter, 8 | Color color = Colors.white, 9 | BlendMode blend = BlendMode.difference}) { 10 | _counter = initialCounter; 11 | _color = color; 12 | _blend = blend; 13 | } 14 | 15 | final Random _random = Random(); 16 | int? _counter; 17 | Color? _color; 18 | BlendMode? _blend; 19 | 20 | void incrementCounter() { 21 | _counter = _counter! + 1; 22 | } 23 | 24 | void decrementCounter() { 25 | if (_counter! > 0) { 26 | _counter = _counter! - 1; 27 | } 28 | } 29 | 30 | int? getCounter() { 31 | return _counter; 32 | } 33 | 34 | Widget build(BuildContext context) { 35 | return Stack( 36 | children: [ 37 | for (int i = 0; i < _counter!; i++) 38 | Positioned.fill( 39 | child: _Disk( 40 | random: _random, 41 | color: _color, 42 | blend: _blend, 43 | ), 44 | ), 45 | ], 46 | ); 47 | } 48 | } 49 | 50 | class _Disk extends StatefulWidget { 51 | const _Disk({ 52 | Key? key, 53 | this.color, 54 | this.blend, 55 | required this.random, 56 | }) : super(key: key); 57 | 58 | final Random random; 59 | final Color? color; 60 | final BlendMode? blend; 61 | 62 | @override 63 | __DiskState createState() => __DiskState(); 64 | } 65 | 66 | class __DiskState extends State<_Disk> with SingleTickerProviderStateMixin { 67 | AnimationController? controller; 68 | double? radius; 69 | CenterTween? centerTween; 70 | 71 | @override 72 | void initState() { 73 | super.initState(); 74 | final random = widget.random; 75 | controller = AnimationController( 76 | vsync: this, 77 | duration: const Duration(seconds: 2), 78 | )..repeat(); 79 | radius = random.nextDouble() * 50 + 25; 80 | 81 | final candidates = [ 82 | Offset(random.nextDouble(), -0.1), 83 | Offset(random.nextDouble(), 1.1), 84 | Offset(-0.1, random.nextDouble()), 85 | Offset(1.1, random.nextDouble()), 86 | ]; 87 | 88 | final start = candidates.removeAt(random.nextInt(candidates.length)); 89 | final end = candidates.removeAt(random.nextInt(candidates.length)); 90 | 91 | centerTween = CenterTween(start, end, random.nextDouble()); 92 | } 93 | 94 | @override 95 | void dispose() { 96 | controller!.dispose(); 97 | super.dispose(); 98 | } 99 | 100 | @override 101 | Widget build(BuildContext context) { 102 | return TweenAnimationBuilder( 103 | tween: Tween(begin: 0, end: radius), 104 | duration: const Duration(seconds: 1), 105 | curve: Curves.elasticOut, 106 | builder: (_, double effectiveRadius, __) { 107 | return CustomPaint( 108 | painter: _DiskPainter(controller, centerTween, effectiveRadius, 109 | widget.color, widget.blend), 110 | ); 111 | }, 112 | ); 113 | } 114 | } 115 | 116 | class CenterTween extends Animatable { 117 | const CenterTween(this.begin, this.end, this.shift) 118 | : translation = begin - end; 119 | 120 | final Offset begin; 121 | final Offset end; 122 | final double shift; 123 | final Offset translation; 124 | 125 | @override 126 | Offset transform(double t) { 127 | return begin + (end - begin) * ((t + shift) % 1); 128 | } 129 | } 130 | 131 | class _DiskPainter extends CustomPainter { 132 | const _DiskPainter( 133 | this.animation, 134 | this.centerTween, 135 | this.radius, 136 | this.color, 137 | this.blend, 138 | ) : super(repaint: animation); 139 | 140 | final Animation? animation; 141 | final double radius; 142 | final CenterTween? centerTween; 143 | final Color? color; 144 | final BlendMode? blend; 145 | 146 | @override 147 | void paint(Canvas canvas, Size size) { 148 | final Offset ratioCenter = centerTween!.evaluate(animation!); 149 | final center = Offset( 150 | ratioCenter.dx * size.width, 151 | ratioCenter.dy * size.height, 152 | ); 153 | final translation = Offset( 154 | centerTween!.translation.dx * size.width, 155 | centerTween!.translation.dy * size.height, 156 | ); 157 | canvas.drawCircle( 158 | center, 159 | radius, 160 | Paint() 161 | ..color = color! 162 | ..blendMode = blend!, 163 | ); 164 | canvas.drawCircle( 165 | center + translation, 166 | radius, 167 | Paint() 168 | ..color = color! 169 | ..blendMode = blend!, 170 | ); 171 | } 172 | 173 | @override 174 | bool shouldRepaint(_DiskPainter oldDelegate) => oldDelegate.radius != radius; 175 | } 176 | -------------------------------------------------------------------------------- /lib/image_bubble_counter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:flutter/rendering.dart'; 5 | 6 | class ImageBubbleCounter { 7 | ImageBubbleCounter({required int initialCounter, required String image}) { 8 | _counter = initialCounter; 9 | _image = image; 10 | for (int i = 0; i < _counter!; i++) { 11 | _bubbles.add(_ImageBubble( 12 | center: Offset(_random.nextDouble(), _random.nextDouble()), 13 | radius: (_random.nextInt(50) + 20).toDouble(), 14 | image: _image, 15 | )); 16 | } 17 | } 18 | 19 | int? _counter; 20 | String? _image; 21 | 22 | final Random _random = Random(); 23 | final List<_ImageBubble> _bubbles = <_ImageBubble>[]; 24 | 25 | void incrementCounter() { 26 | _counter = _counter! + 1; 27 | _bubbles.add(_ImageBubble( 28 | center: Offset(_random.nextDouble(), _random.nextDouble()), 29 | radius: (_random.nextInt(50) + 20).toDouble(), 30 | image: _image, 31 | )); 32 | } 33 | 34 | void decrementCounter() { 35 | if (_counter! > 0) { 36 | _counter = _counter! - 1; 37 | _bubbles.removeLast(); 38 | } 39 | } 40 | 41 | int? getCounter() { 42 | return _counter; 43 | } 44 | 45 | Widget build(BuildContext context) { 46 | return Stack( 47 | children: [ 48 | ..._bubbles, 49 | ], 50 | ); 51 | } 52 | } 53 | 54 | class _ImageBubble extends StatefulWidget { 55 | const _ImageBubble({ 56 | Key? key, 57 | required this.center, 58 | required this.radius, 59 | required this.image, 60 | }) : super(key: key); 61 | 62 | final Offset center; 63 | final double radius; 64 | final String? image; 65 | 66 | @override 67 | __ImageBubbleState createState() => __ImageBubbleState(); 68 | } 69 | 70 | class __ImageBubbleState extends State<_ImageBubble> 71 | with TickerProviderStateMixin { 72 | late AnimationController centerController; 73 | late AnimationController radiusController; 74 | late Animation center; 75 | late Animation radius; 76 | 77 | @override 78 | void initState() { 79 | super.initState(); 80 | centerController = AnimationController( 81 | vsync: this, 82 | duration: const Duration(seconds: 4), 83 | )..repeat(); 84 | center = centerController.drive(RotationTween(widget.center, 0.01)); 85 | radiusController = AnimationController( 86 | vsync: this, 87 | duration: const Duration(milliseconds: 500), 88 | )..forward(); 89 | radius = radiusController 90 | .drive(CurveTween(curve: Curves.ease)) 91 | .drive(Tween(begin: 0, end: widget.radius)); 92 | } 93 | 94 | @override 95 | void dispose() { 96 | centerController.dispose(); 97 | radiusController.dispose(); 98 | super.dispose(); 99 | } 100 | 101 | @override 102 | Widget build(BuildContext context) { 103 | return SizedBox.expand( 104 | child: AnimatedBuilder( 105 | animation: center, 106 | builder: (_, child) { 107 | return CustomPaint( 108 | painter: _ImageBubbleShadowPainter(center.value, radius.value), 109 | child: ClipOval( 110 | clipper: _ImageBubbleClipper(center.value, radius.value), 111 | clipBehavior: Clip.hardEdge, 112 | child: CustomPaint( 113 | foregroundPainter: _ImageBubblePainter( 114 | center.value, 115 | radius.value, 116 | ), 117 | child: child), 118 | ), 119 | ); 120 | }, 121 | child: Image.asset( 122 | widget.image!, 123 | fit: BoxFit.cover, 124 | ), 125 | ), 126 | ); 127 | } 128 | } 129 | 130 | class RotationTween extends Animatable { 131 | const RotationTween(this.center, this.distance); 132 | 133 | final Offset center; 134 | final double distance; 135 | 136 | @override 137 | Offset transform(double t) { 138 | final direction = t * pi * 2; 139 | return Offset.fromDirection(direction, distance) + center; 140 | } 141 | } 142 | 143 | class _ImageBubbleClipper extends CustomClipper { 144 | const _ImageBubbleClipper(this.center, this.radius); 145 | 146 | final Offset center; 147 | final double radius; 148 | 149 | @override 150 | Rect getClip(Size size) { 151 | final effectiveCenter = 152 | Offset(center.dx * size.width, center.dy * size.height); 153 | return Rect.fromCircle(center: effectiveCenter, radius: radius); 154 | } 155 | 156 | @override 157 | bool shouldReclip(covariant CustomClipper oldClipper) { 158 | return true; 159 | } 160 | } 161 | 162 | class _ImageBubbleShadowPainter extends CustomPainter { 163 | _ImageBubbleShadowPainter(this.center, this.radius); 164 | final Offset center; 165 | final double radius; 166 | 167 | @override 168 | void paint(Canvas canvas, Size size) { 169 | final effectiveCenter = 170 | Offset(center.dx * size.width, center.dy * size.height); 171 | final rect = Rect.fromCircle(center: effectiveCenter, radius: radius); 172 | 173 | const boxShadow = BoxShadow( 174 | blurRadius: 4, offset: Offset(2, 2), color: Color(0x80000000)); 175 | final Paint paint = boxShadow.toPaint(); 176 | final Rect bounds = 177 | rect.shift(boxShadow.offset).inflate(boxShadow.spreadRadius); 178 | 179 | canvas.drawCircle( 180 | bounds.center, 181 | bounds.shortestSide / 2.0, 182 | paint, 183 | ); 184 | } 185 | 186 | @override 187 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 188 | return true; 189 | } 190 | } 191 | 192 | class _ImageBubblePainter extends CustomPainter { 193 | _ImageBubblePainter(this.center, this.radius); 194 | final Offset center; 195 | final double radius; 196 | 197 | @override 198 | void paint(Canvas canvas, Size size) { 199 | final effectiveCenter = 200 | Offset(center.dx * size.width, center.dy * size.height); 201 | final rect = Rect.fromCircle(center: effectiveCenter, radius: radius); 202 | 203 | canvas.drawCircle( 204 | effectiveCenter, 205 | radius, 206 | Paint() 207 | ..blendMode = BlendMode.overlay 208 | ..shader = const LinearGradient(colors: [Colors.black, Colors.white]) 209 | .createShader(rect), 210 | ); 211 | canvas.drawCircle( 212 | rect.topLeft + (rect.center - rect.topLeft) / 2, 213 | rect.longestSide / 6, 214 | Paint() 215 | ..color = const Color(0xCCFFFFFF) 216 | ..maskFilter = MaskFilter.blur( 217 | BlurStyle.normal, 218 | rect.longestSide * 0.1, 219 | ), 220 | ); 221 | } 222 | 223 | @override 224 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 225 | return true; 226 | } 227 | } 228 | -------------------------------------------------------------------------------- /lib/particles_counter.dart: -------------------------------------------------------------------------------- 1 | // Credits to https://www.openprocessing.org/sketch/427313 2 | 3 | import 'dart:async'; 4 | import 'dart:math'; 5 | import 'dart:ui' as ui; 6 | 7 | import 'package:flutter/material.dart'; 8 | import 'package:vector_math/vector_math.dart'; 9 | 10 | import 'common.dart'; 11 | 12 | const loadPercentage = 0.045; // 0 to 1.0. 13 | const countMultiplier = 1; 14 | const closeEnoughTarget = 50.0; 15 | const particleSize = 8.0; 16 | const speed = 1; 17 | const touchSize = 100; 18 | 19 | class ParticlesCounter { 20 | ParticlesCounter( 21 | {required int initialCounter, required List images}) { 22 | _counter = initialCounter; 23 | _images = images; 24 | } 25 | 26 | int? _counter; 27 | List? _images; 28 | 29 | void incrementCounter() { 30 | _counter = _counter! + 1; 31 | } 32 | 33 | void decrementCounter() { 34 | if (_counter! > 0) { 35 | _counter = _counter! - 1; 36 | } 37 | } 38 | 39 | int? getCounter() { 40 | return _counter; 41 | } 42 | 43 | Widget build(BuildContext context) { 44 | return Stack( 45 | fit: StackFit.expand, 46 | alignment: Alignment.topCenter, 47 | children: [ 48 | Positioned.fill( 49 | child: LayoutBuilder( 50 | builder: (_, constraints) { 51 | return __ParticleImageSwitcher( 52 | imagePaths: _images, 53 | imageIndex: _counter! % 46, 54 | size: constraints.biggest, 55 | ); 56 | }, 57 | ), 58 | ), 59 | ], 60 | ); 61 | } 62 | } 63 | 64 | class _TouchPointer { 65 | Offset? offset; 66 | } 67 | 68 | class _TouchDetector extends StatelessWidget { 69 | const _TouchDetector({ 70 | Key? key, 71 | required this.touchPointer, 72 | required this.child, 73 | }) : super(key: key); 74 | 75 | final _TouchPointer touchPointer; 76 | final Widget child; 77 | 78 | @override 79 | Widget build(BuildContext context) { 80 | return GestureDetector( 81 | behavior: HitTestBehavior.opaque, 82 | onPanStart: (details) => touchPointer.offset = details.localPosition, 83 | onPanUpdate: (details) => touchPointer.offset = details.localPosition, 84 | onPanEnd: (details) => touchPointer.offset = null, 85 | child: child, 86 | ); 87 | } 88 | } 89 | 90 | class __ParticleImageSwitcher extends StatefulWidget { 91 | const __ParticleImageSwitcher({ 92 | Key? key, 93 | required this.imagePaths, 94 | required this.imageIndex, 95 | required this.size, 96 | }) : super(key: key); 97 | 98 | final List? imagePaths; 99 | final int imageIndex; 100 | final Size size; 101 | 102 | @override 103 | ___ParticleImageSwitcherState createState() => 104 | ___ParticleImageSwitcherState(); 105 | } 106 | 107 | class ___ParticleImageSwitcherState extends State<__ParticleImageSwitcher> 108 | with SingleTickerProviderStateMixin { 109 | final List<_Particle> particles = <_Particle>[]; 110 | final List> allPixels = >[]; 111 | final List onDispose = []; 112 | final _TouchPointer touchPointer = _TouchPointer(); 113 | AnimationController? controller; 114 | 115 | @override 116 | void initState() { 117 | super.initState(); 118 | controller = 119 | AnimationController(vsync: this, duration: const Duration(seconds: 1)) 120 | ..repeat(); 121 | for (var i = 0; i < widget.imagePaths!.length; i++) { 122 | allPixels.add(loadPixels(widget.imagePaths![i])); 123 | } 124 | showParticles(0); 125 | } 126 | 127 | @override 128 | void didUpdateWidget(covariant __ParticleImageSwitcher oldWidget) { 129 | super.didUpdateWidget(oldWidget); 130 | if (oldWidget.imageIndex != widget.imageIndex) { 131 | showParticles(widget.imageIndex); 132 | } 133 | } 134 | 135 | @override 136 | void dispose() { 137 | controller!.dispose(); 138 | onDispose.forEach((x) => x()); 139 | super.dispose(); 140 | } 141 | 142 | Future loadPixels(String imagePath) async { 143 | final provider = ExactAssetImage(imagePath); 144 | final imageStream = provider.resolve(ImageConfiguration.empty); 145 | final completer = Completer(); 146 | late ImageStreamListener imageStreamListener; 147 | imageStreamListener = ImageStreamListener((frame, _) { 148 | completer.complete(frame.image); 149 | imageStream.removeListener(imageStreamListener); 150 | }); 151 | imageStream.addListener(imageStreamListener); 152 | final image = await completer.future; 153 | final byteData = await image.toByteData(format: ui.ImageByteFormat.rawRgba); 154 | onDispose.add(() => image.dispose()); 155 | return Pixels( 156 | byteData: byteData, 157 | width: image.width, 158 | height: image.height, 159 | ); 160 | } 161 | 162 | Future showParticles(int index) async { 163 | final pixels = await allPixels[index]; 164 | final particleIndices = List.generate(particles.length, (i) => i); 165 | final width = widget.size.width; 166 | final height = widget.size.height; 167 | final halfWidth = width / 2; 168 | final halfHeight = height / 2; 169 | final halfImageWidth = pixels.width / 2; 170 | final halfImageHeight = pixels.height / 2; 171 | final tx = halfWidth - halfImageWidth; 172 | final ty = halfHeight - halfImageHeight; 173 | 174 | for (var y = 0; y < pixels.height; y++) { 175 | for (var x = 0; x < pixels.width; x++) { 176 | // Give it small odds that we'll assign a particle to this pixel. 177 | if (randNextD(1) > loadPercentage * countMultiplier) { 178 | continue; 179 | } 180 | 181 | final pixelColor = pixels.getColorAt(x, y); 182 | _Particle newParticle; 183 | if (particleIndices.isNotEmpty) { 184 | // Re-use existing particles. 185 | final index = particleIndices.length == 1 186 | ? particleIndices.removeAt(0) 187 | : particleIndices.removeAt(randI(0, particleIndices.length - 1)); 188 | newParticle = particles[index]; 189 | } else { 190 | // Create a new particle. 191 | newParticle = _Particle(halfWidth, halfHeight); 192 | particles.add(newParticle); 193 | } 194 | 195 | newParticle.target.x = x + tx; 196 | newParticle.target.y = y + ty; 197 | newParticle.endColor = pixelColor; 198 | } 199 | } 200 | 201 | // Kill off any left over particles that aren't assigned to anything. 202 | if (particleIndices.isNotEmpty) { 203 | for (var i = 0; i < particleIndices.length; i++) { 204 | particles[particleIndices[i]].kill(width, height); 205 | } 206 | } 207 | setState(() {}); 208 | } 209 | 210 | @override 211 | Widget build(BuildContext context) { 212 | return _TouchDetector( 213 | touchPointer: touchPointer, 214 | child: CustomPaint( 215 | painter: _ParticulesPainter(controller, particles, touchPointer), 216 | ), 217 | ); 218 | } 219 | } 220 | 221 | class _Particle { 222 | _Particle(this.x, this.y) 223 | : pos = Vector2(x, y), 224 | maxSpeed = randD(0.25, 2), 225 | maxForce = randD(8, 15), 226 | colorBlendRate = randD(0.01, 0.05); 227 | 228 | final double x; 229 | final double y; 230 | final Vector2 pos; 231 | final double maxSpeed; // How fast it can move per frame. 232 | final double maxForce; // Its speed limit. 233 | final double colorBlendRate; 234 | 235 | Vector2 vel = Vector2.zero(); 236 | Vector2 acc = Vector2.zero(); 237 | Vector2 target = Vector2.zero(); 238 | bool isKilled = false; 239 | Color? currentColor = const Color(0x00000000); 240 | Color endColor = const Color(0x00000000); 241 | double? currentSize = 0; 242 | double distToTarget = 0; 243 | 244 | void move([Offset? touchPosition]) { 245 | distToTarget = pos.distanceTo(target); 246 | 247 | double proximityMult; 248 | 249 | // If it's close enough to its target, the slower it'll get 250 | // so that it can settle. 251 | if (distToTarget < closeEnoughTarget) { 252 | proximityMult = distToTarget / closeEnoughTarget; 253 | vel *= 0.9; 254 | } else { 255 | proximityMult = 1; 256 | vel *= 0.95; 257 | } 258 | 259 | // Steer towards its target. 260 | if (distToTarget > 1) { 261 | final steer = target.clone() 262 | ..sub(pos) 263 | ..normalize() 264 | ..scale(maxSpeed * proximityMult * speed); 265 | acc.add(steer); 266 | } 267 | 268 | if (touchPosition != null) { 269 | final touch = Vector2(touchPosition.dx, touchPosition.dy); 270 | final distToTouch = pos.distanceTo(touch); 271 | if (distToTouch < touchSize) { 272 | final push = pos.clone()..sub(touch); 273 | push.normalize(); 274 | push.scale((touchSize - distToTouch) * 0.05); 275 | acc.add(push); 276 | } 277 | } 278 | 279 | vel.add(acc); 280 | vel.limit(maxForce * speed); 281 | pos.add(vel); 282 | acc.scale(0); 283 | } 284 | 285 | void kill(double width, double height) { 286 | if (!isKilled) { 287 | target = generateRandomPos( 288 | width / 2, height / 2, max(width, height), width, height); 289 | endColor = const Color(0x00000000); 290 | isKilled = true; 291 | } 292 | } 293 | } 294 | 295 | extension on Vector2 { 296 | void limit(double max) { 297 | if (length2 > max * max) { 298 | normalize(); 299 | scale(max); 300 | } 301 | } 302 | } 303 | 304 | Vector2 generateRandomPos( 305 | double x, double y, double mag, double width, double height) { 306 | final pos = Vector2(x, y); 307 | final vel = Vector2(randD(0, width), randD(0, height)); 308 | vel.sub(pos); 309 | vel.normalize(); 310 | vel.scale(mag); 311 | pos.add(vel); 312 | 313 | return pos; 314 | } 315 | 316 | class _ParticulesPainter extends CustomPainter { 317 | _ParticulesPainter( 318 | this.animation, 319 | this.allParticles, 320 | this.touchPointer, 321 | ) : super(repaint: animation); 322 | 323 | final Animation? animation; 324 | final List<_Particle> allParticles; 325 | final _TouchPointer touchPointer; 326 | 327 | @override 328 | void paint(Canvas canvas, Size size) { 329 | final width = size.width; 330 | final height = size.height; 331 | 332 | for (var i = allParticles.length - 1; i >= 0; i--) { 333 | final particle = allParticles[i]; 334 | particle.move(touchPointer.offset); 335 | 336 | final color = particle.currentColor!; 337 | particle.currentColor = Color.lerp( 338 | particle.currentColor, particle.endColor, particle.colorBlendRate); 339 | double targetSize = 2; 340 | if (!particle.isKilled) { 341 | targetSize = map( 342 | min(particle.distToTarget, closeEnoughTarget), 343 | closeEnoughTarget, 344 | 0, 345 | 0, 346 | particleSize, 347 | ); 348 | } 349 | 350 | particle.currentSize = 351 | ui.lerpDouble(particle.currentSize, targetSize, 0.1); 352 | 353 | final center = Offset(particle.pos.x, particle.pos.y); 354 | canvas.drawCircle(center, particle.currentSize!, Paint()..color = color); 355 | 356 | if (particle.isKilled) { 357 | if (particle.pos.x < 0 || 358 | particle.pos.x > width || 359 | particle.pos.y < 0 || 360 | particle.pos.y > height) { 361 | allParticles.removeAt(i); 362 | } 363 | } 364 | } 365 | } 366 | 367 | @override 368 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 369 | return false; 370 | } 371 | } 372 | -------------------------------------------------------------------------------- /lib/pixel_counter.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class PixelCounter { 4 | PixelCounter({required int initialCounter, Color color = Colors.yellow}) { 5 | _counter = initialCounter; 6 | _color = color; 7 | } 8 | List numberOfBlocks = []; 9 | int? _counter; 10 | Color? _color; 11 | 12 | void incrementCounter() { 13 | _counter = _counter! + 1; 14 | } 15 | 16 | void decrementCounter() { 17 | if (_counter! > 0) { 18 | _counter = _counter! - 1; 19 | } 20 | } 21 | 22 | int? getCounter() { 23 | return _counter; 24 | } 25 | 26 | Widget build(BuildContext context) { 27 | return Center( 28 | child: Row( 29 | children: [ 30 | for (int i = 0; i < _counter.toString().length; i++) 31 | Expanded( 32 | flex: _counter.toString().length > 5 ? 1 : 0, 33 | child: blocks(_counter.toString()[i])) 34 | ], 35 | mainAxisAlignment: MainAxisAlignment.center, 36 | crossAxisAlignment: CrossAxisAlignment.center, 37 | ), 38 | ); 39 | } 40 | 41 | Widget blocks(digit) { 42 | int x = int.parse(digit); 43 | List kaza = _numberBlocks(x); 44 | 45 | return Padding( 46 | padding: const EdgeInsets.all(8.0), 47 | child: Container( 48 | width: 190, 49 | height: 400, 50 | decoration: BoxDecoration( 51 | boxShadow: [ 52 | BoxShadow(color: Colors.black12, blurRadius: 10, spreadRadius: 4), 53 | BoxShadow( 54 | color: Colors.black12, 55 | blurRadius: 10, 56 | spreadRadius: 10, 57 | offset: Offset(30, 0), 58 | ) 59 | ], 60 | ), 61 | child: GridView( 62 | children: [ 63 | for (var index = 0; index < 15; index++) 64 | AnimatedContainer( 65 | duration: Duration(milliseconds: index * 140), 66 | clipBehavior: Clip.antiAlias, 67 | decoration: BoxDecoration( 68 | color: kaza.contains(index) ? Colors.black : _color, 69 | boxShadow: [ 70 | BoxShadow( 71 | blurRadius: 2, 72 | spreadRadius: 1, 73 | color: Colors.black, 74 | ), 75 | ], 76 | border: Border.all( 77 | color: kaza.contains(index) ? _color! : Colors.black, 78 | width: 0.3, 79 | style: BorderStyle.solid, 80 | ), 81 | ), 82 | ) 83 | ], 84 | addAutomaticKeepAlives: false, 85 | gridDelegate: 86 | SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 3), 87 | ), 88 | ), 89 | ); 90 | } 91 | 92 | _numberBlocks(int digit) { 93 | numberOfBlocks.clear(); 94 | switch (digit) { 95 | case 0: 96 | numberOfBlocks.addAll([0, 1, 2, 3, 5, 6, 8, 9, 11, 12, 13, 14]); 97 | break; 98 | case 1: 99 | numberOfBlocks.addAll([1, 4, 7, 10, 13]); 100 | break; 101 | case 2: 102 | numberOfBlocks.addAll([0, 1, 2, 5, 6, 7, 8, 9, 12, 13, 14]); 103 | break; 104 | case 3: 105 | numberOfBlocks.addAll([0, 1, 2, 5, 6, 7, 8, 11, 12, 13, 14]); 106 | break; 107 | case 4: 108 | numberOfBlocks.addAll([0, 3, 5, 6, 7, 8, 11, 14]); 109 | break; 110 | case 5: 111 | numberOfBlocks.addAll([0, 1, 2, 3, 6, 7, 8, 11, 12, 13, 14]); 112 | break; 113 | case 6: 114 | numberOfBlocks.addAll([0, 1, 2, 3, 6, 7, 8, 9, 11, 12, 13, 14]); 115 | break; 116 | case 7: 117 | numberOfBlocks.addAll([0, 1, 2, 5, 8, 11, 14]); 118 | break; 119 | case 8: 120 | numberOfBlocks.addAll([0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14]); 121 | break; 122 | case 9: 123 | numberOfBlocks.addAll([0, 1, 2, 3, 5, 6, 7, 8, 11, 14]); 124 | break; 125 | default: 126 | } 127 | return numberOfBlocks; 128 | } 129 | } 130 | -------------------------------------------------------------------------------- /lib/portrait_counter.dart: -------------------------------------------------------------------------------- 1 | // Credits to https://www.openprocessing.org/sketch/392202/ 2 | 3 | import 'dart:async'; 4 | import 'dart:math'; 5 | import 'dart:ui' as ui; 6 | 7 | import 'package:flutter/material.dart'; 8 | import 'package:flutter/services.dart'; 9 | 10 | import 'common.dart'; 11 | 12 | class PortraitCounter { 13 | PortraitCounter({required int initialCounter, required String image}) { 14 | _counter = initialCounter; 15 | _image = image; 16 | } 17 | 18 | int? _counter; 19 | String? _image; 20 | void incrementCounter() { 21 | _counter = _counter! + 1; 22 | } 23 | 24 | void decrementCounter() { 25 | if (_counter! > 0) { 26 | _counter = _counter! - 1; 27 | } 28 | } 29 | 30 | int? getCounter() { 31 | return _counter; 32 | } 33 | 34 | Widget build(BuildContext context) { 35 | return Stack( 36 | fit: StackFit.expand, 37 | alignment: Alignment.topCenter, 38 | children: [ 39 | Portrait(assetName: _image, counter: _counter), 40 | ], 41 | ); 42 | } 43 | } 44 | 45 | class Portrait extends StatefulWidget { 46 | const Portrait({ 47 | Key? key, 48 | required this.assetName, 49 | required this.counter, 50 | }) : super(key: key); 51 | 52 | final String? assetName; 53 | final int? counter; 54 | 55 | @override 56 | _PortraitState createState() => _PortraitState(); 57 | } 58 | 59 | class _PortraitState extends State { 60 | final Random random = Random(); 61 | ui.Image? image; 62 | ByteData? byteData; 63 | 64 | @override 65 | void initState() { 66 | super.initState(); 67 | loadPixels(); 68 | } 69 | 70 | @override 71 | void dispose() { 72 | image?.dispose(); 73 | super.dispose(); 74 | } 75 | 76 | Future loadPixels() async { 77 | image?.dispose(); 78 | final provider = ExactAssetImage(widget.assetName!); 79 | final imageStream = provider.resolve(ImageConfiguration.empty); 80 | final completer = Completer(); 81 | late ImageStreamListener imageStreamListener; 82 | imageStreamListener = ImageStreamListener((frame, _) { 83 | completer.complete(frame.image); 84 | imageStream.removeListener(imageStreamListener); 85 | }); 86 | imageStream.addListener(imageStreamListener); 87 | image = await completer.future; 88 | byteData = await image!.toByteData(format: ui.ImageByteFormat.rawRgba); 89 | setState(() {}); 90 | } 91 | 92 | @override 93 | Widget build(BuildContext context) { 94 | final child = image == null 95 | ? const SizedBox.expand() 96 | : Stack( 97 | fit: StackFit.expand, 98 | children: [ 99 | for (var i = 0; i < widget.counter!; i++) 100 | _PortaitPaint( 101 | imgWidth: image!.width, 102 | imgHeight: image!.height, 103 | byteData: byteData, 104 | random: random, 105 | counter: i, 106 | ), 107 | ], 108 | ); 109 | return Positioned.fill(child: child); 110 | } 111 | } 112 | 113 | class _PortaitPaint extends StatelessWidget { 114 | const _PortaitPaint({ 115 | Key? key, 116 | required this.imgWidth, 117 | required this.imgHeight, 118 | required this.byteData, 119 | required this.random, 120 | required this.counter, 121 | }) : super(key: key); 122 | 123 | final int imgWidth; 124 | final int imgHeight; 125 | final ByteData? byteData; 126 | final Random random; 127 | final int counter; 128 | 129 | @override 130 | Widget build(BuildContext context) { 131 | return RepaintBoundary( 132 | child: CustomPaint( 133 | painter: _PortraitPainter( 134 | imgWidth, 135 | imgHeight, 136 | byteData, 137 | random, 138 | counter, 139 | ), 140 | ), 141 | ); 142 | } 143 | } 144 | 145 | class _PortraitPainter extends CustomPainter { 146 | _PortraitPainter( 147 | this.imgWidth, 148 | this.imgHeight, 149 | ByteData? byteData, 150 | this.random, 151 | this.counter, 152 | ) : pixels = Pixels(byteData: byteData, width: imgWidth, height: imgHeight); 153 | 154 | final int imgWidth; 155 | final int imgHeight; 156 | final Random random; 157 | final int counter; 158 | final Pixels pixels; 159 | 160 | @override 161 | void paint(Canvas canvas, Size size) { 162 | final width = size.width; 163 | final height = size.height; 164 | final tdx = (width - imgWidth) / 2; 165 | final tdy = (height - imgHeight) / 2; 166 | 167 | void curve( 168 | double x1, 169 | double y1, 170 | double x2, 171 | double y2, 172 | double x3, 173 | double y3, 174 | double x4, 175 | double y4, 176 | double thickness, 177 | Color color, 178 | ) { 179 | final vertices = [ 180 | Offset(x1, y1), 181 | Offset(x2, y2), 182 | Offset(x3, y3), 183 | Offset(x4, y4), 184 | ]; 185 | final path = Path(); 186 | path.moveTo(x2, y2); 187 | for (int i = 1; i + 2 < vertices.length; i++) { 188 | final v = vertices[i]; 189 | final b = List.filled(4, Offset.zero); 190 | b[0] = v; 191 | b[1] = v + (vertices[i + 1] - vertices[i - 1]) / 6; 192 | b[2] = vertices[i + 1] + (v - vertices[i + 2]) / 6; 193 | b[3] = vertices[i + 1]; 194 | path.cubicTo(b[1].dx, b[1].dy, b[2].dx, b[2].dy, b[3].dx, b[3].dy); 195 | } 196 | canvas.drawPath( 197 | path, 198 | Paint() 199 | ..style = PaintingStyle.stroke 200 | ..strokeWidth = thickness 201 | ..color = color, 202 | ); 203 | } 204 | 205 | void paintStroke(double length, Color color, int thickness) { 206 | final stepLength = length / 4; 207 | 208 | // Determines if the stroke is curved. A straight line is 0. 209 | double tangent1 = 0; 210 | double tangent2 = 0; 211 | 212 | final odds = random.nextDouble(); 213 | 214 | if (odds < 0.7) { 215 | tangent1 = random.d(-length, length); 216 | tangent2 = random.d(-length, length); 217 | } 218 | 219 | curve( 220 | tangent1, 221 | -stepLength * 2, 222 | 0, 223 | -stepLength, 224 | 0, 225 | stepLength, 226 | tangent2, 227 | stepLength * 2, 228 | thickness.toDouble(), 229 | color, 230 | ); 231 | } 232 | 233 | for (var y = 0; y < imgHeight; y++) { 234 | for (var x = 0; x < imgWidth; x++) { 235 | final odds = random.d(0, 2000).toInt(); 236 | 237 | if (odds < 1) { 238 | final color = pixels.getColorAt(x, y).withAlpha(100); 239 | final tx = x + tdx; 240 | final ty = y + tdy; 241 | canvas.translate(tx, ty); 242 | 243 | if (counter < 20) { 244 | paintStroke(random.d(150, 250), color, random.d(20, 40).toInt()); 245 | } else if (counter < 50) { 246 | paintStroke(random.d(75, 125), color, random.d(8, 12).toInt()); 247 | } else if (counter < 300) { 248 | paintStroke(random.d(30, 60), color, random.d(1, 4).toInt()); 249 | } else if (counter < 500) { 250 | paintStroke(random.d(5, 20), color, random.d(5, 15).toInt()); 251 | } else { 252 | paintStroke(random.d(1, 10), color, random.d(1, 7).toInt()); 253 | } 254 | 255 | canvas.translate(-tx, -ty); 256 | } 257 | } 258 | } 259 | } 260 | 261 | @override 262 | bool shouldRepaint(_PortraitPainter oldDelegate) { 263 | return false; 264 | } 265 | } 266 | -------------------------------------------------------------------------------- /lib/rotating_bubbles_counter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/material.dart'; 5 | 6 | class RotatingBubblesCounter { 7 | RotatingBubblesCounter( 8 | {required List initialColors, 9 | required int initialCounter, 10 | BlendMode blend = BlendMode.hardLight}) { 11 | _counter = initialCounter; 12 | _colors = initialColors; 13 | _blend = blend; 14 | 15 | for (int i = 0; i < _counter!; i++) { 16 | _radii.add(_random.nextInt(25) + 12.5); 17 | } 18 | } 19 | 20 | late List _colors; 21 | int? _counter; 22 | BlendMode? _blend; 23 | final math.Random _random = math.Random(); 24 | final List _radii = []; 25 | 26 | void incrementCounter() { 27 | _counter = _counter! + 1; 28 | _radii.add(_random.nextInt(25) + 12.5); 29 | } 30 | 31 | void decrementCounter() { 32 | if (_counter! > 0) { 33 | _counter = _counter! - 1; 34 | _radii.removeLast(); 35 | } 36 | } 37 | 38 | int? getCounter() { 39 | return _counter; 40 | } 41 | 42 | Widget build(BuildContext context) { 43 | return Stack( 44 | children: [ 45 | for (int i = 0; i < _radii.length; i++) 46 | Positioned.fill( 47 | child: TweenAnimationBuilder( 48 | tween: Tween(begin: 0, end: _radii[i]), 49 | duration: const Duration(milliseconds: 500), 50 | curve: Curves.easeIn, 51 | builder: (_, double radius, __) { 52 | return _RotatingBubble( 53 | random: _random, 54 | radius: radius, 55 | color: _colors[i % _colors.length], 56 | blend: _blend, 57 | ); 58 | }, 59 | ), 60 | ), 61 | ], 62 | ); 63 | } 64 | } 65 | 66 | class _RotatingBubble extends StatefulWidget { 67 | const _RotatingBubble({ 68 | Key? key, 69 | required this.random, 70 | required this.radius, 71 | required this.color, 72 | required this.blend, 73 | }) : super(key: key); 74 | 75 | final math.Random random; 76 | final double radius; 77 | final Color color; 78 | final BlendMode? blend; 79 | 80 | @override 81 | __RotatingBubbleState createState() => __RotatingBubbleState(); 82 | } 83 | 84 | class __RotatingBubbleState extends State<_RotatingBubble> 85 | with SingleTickerProviderStateMixin { 86 | late AnimationController controller; 87 | Animation? angle; 88 | double? shift; 89 | 90 | static const double twoPi = math.pi * 2; 91 | 92 | @override 93 | void initState() { 94 | super.initState(); 95 | final random = widget.random; 96 | controller = AnimationController( 97 | vsync: this, 98 | duration: Duration(milliseconds: random.nextInt(1200) + 800), 99 | )..repeat(); 100 | final startAngle = random.nextDouble() * twoPi; 101 | final endAngle = startAngle + (twoPi * (random.nextBool() ? 1 : -1)); 102 | angle = controller.drive(Tween(begin: startAngle, end: endAngle)); 103 | 104 | shift = random.nextDouble() / 10 + 1; 105 | } 106 | 107 | @override 108 | void dispose() { 109 | controller.dispose(); 110 | super.dispose(); 111 | } 112 | 113 | @override 114 | Widget build(BuildContext context) { 115 | return CustomPaint( 116 | painter: _RotatingBubblePainter( 117 | angle, shift, widget.radius, widget.color, widget.blend), 118 | ); 119 | } 120 | } 121 | 122 | class _RotatingBubblePainter extends CustomPainter { 123 | _RotatingBubblePainter( 124 | this.angle, 125 | this.shift, 126 | this.radius, 127 | this.color, 128 | this.blend, 129 | ) : super(repaint: angle); 130 | 131 | final Animation? angle; 132 | final double? shift; 133 | final double radius; 134 | final Color color; 135 | final BlendMode? blend; 136 | 137 | @override 138 | void paint(Canvas canvas, Size size) { 139 | final appCenter = size.center(Offset.zero); 140 | final bigRadius = size.width / 2.7; 141 | final center = 142 | (Offset.fromDirection(angle!.value, bigRadius * shift!)) + appCenter; 143 | canvas.drawCircle( 144 | center, 145 | radius, 146 | Paint() 147 | ..blendMode = blend! 148 | ..color = color, 149 | ); 150 | } 151 | 152 | @override 153 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 154 | return false; 155 | } 156 | } 157 | -------------------------------------------------------------------------------- /lib/rotating_planets_counter.dart: -------------------------------------------------------------------------------- 1 | // Credits to https://twitter.com/beesandbombs/status/1329468633723101187?s=20 2 | import 'dart:math' as math; 3 | import 'dart:ui'; 4 | 5 | import 'package:flutter/material.dart'; 6 | 7 | class RotatingPlanetsCounter { 8 | RotatingPlanetsCounter( 9 | {required List initialColors, 10 | required int initialCounter, 11 | BlendMode blend = BlendMode.hardLight}) { 12 | _counter = initialCounter; 13 | _colors = initialColors; 14 | _blend = blend; 15 | 16 | for (int i = 0; i < _counter!; i++) { 17 | _radii.add(_random.nextInt(20) + 10.0); 18 | } 19 | } 20 | 21 | late List _colors; 22 | int? _counter; 23 | BlendMode? _blend; 24 | 25 | final math.Random _random = math.Random(); 26 | final List _radii = []; 27 | 28 | void incrementCounter() { 29 | _counter = _counter! + 1; 30 | _radii.add(_random.nextInt(20) + 10.0); 31 | } 32 | 33 | void decrementCounter() { 34 | if (_counter! > 0) { 35 | _counter = _counter! - 1; 36 | _radii.removeLast(); 37 | } 38 | } 39 | 40 | int? getCounter() { 41 | return _counter; 42 | } 43 | 44 | Widget build(BuildContext context) { 45 | return Stack( 46 | children: [ 47 | for (int i = 0; i < _radii.length; i++) 48 | Positioned.fill( 49 | child: TweenAnimationBuilder( 50 | tween: Tween(begin: 0, end: _radii[i]), 51 | duration: const Duration(milliseconds: 500), 52 | curve: Curves.easeIn, 53 | builder: (_, double radius, __) { 54 | return _RotatingBubble1( 55 | random: _random, 56 | radius: radius, 57 | color: _colors[i % _colors.length], 58 | blend: _blend, 59 | ); 60 | }, 61 | ), 62 | ), 63 | ], 64 | ); 65 | } 66 | } 67 | 68 | class _RotatingBubble1 extends StatefulWidget { 69 | const _RotatingBubble1({ 70 | Key? key, 71 | required this.random, 72 | required this.radius, 73 | required this.color, 74 | required this.blend, 75 | }) : super(key: key); 76 | 77 | final math.Random random; 78 | final double radius; 79 | final Color color; 80 | final BlendMode? blend; 81 | 82 | @override 83 | _RotatingBubble1State createState() => _RotatingBubble1State(); 84 | } 85 | 86 | class _RotatingBubble1State extends State<_RotatingBubble1> 87 | with SingleTickerProviderStateMixin { 88 | AnimationController? controller; 89 | double? dy; 90 | double? margin; 91 | double? radiusFactor; 92 | 93 | @override 94 | void initState() { 95 | super.initState(); 96 | final random = widget.random; 97 | controller = AnimationController( 98 | vsync: this, 99 | duration: const Duration(milliseconds: 2000), 100 | )..repeat(reverse: true); 101 | dy = map(random.nextDouble(), 0.3, 0.7); 102 | margin = map(random.nextDouble(), 0.1, 0.3); 103 | radiusFactor = random.nextDouble() + 1.5; 104 | } 105 | 106 | @override 107 | void dispose() { 108 | controller!.dispose(); 109 | super.dispose(); 110 | } 111 | 112 | @override 113 | Widget build(BuildContext context) { 114 | return CustomPaint( 115 | painter: _RotatingBubble1Painter( 116 | controller, 117 | dy, 118 | widget.radius, 119 | radiusFactor, 120 | widget.color, 121 | margin, 122 | widget.blend, 123 | ), 124 | ); 125 | } 126 | } 127 | 128 | class _RotatingBubble1Painter extends CustomPainter { 129 | _RotatingBubble1Painter( 130 | this.animation, 131 | this.dy, 132 | this.radius, 133 | this.radiusFactor, 134 | this.color, 135 | this.margin, 136 | this.blend, 137 | ) : super(repaint: animation); 138 | 139 | final Animation? animation; 140 | final double? dy; 141 | final double radius; 142 | final double? radiusFactor; 143 | final Color color; 144 | final double? margin; 145 | final BlendMode? blend; 146 | 147 | @override 148 | void paint(Canvas canvas, Size size) { 149 | final curve = Curves.easeInOutSine; 150 | 151 | final t = curve.transform(animation!.value); 152 | final y = size.height * dy!; 153 | final x = lerpDouble(margin, 1 - margin!, t)! * size.width; 154 | final center = Offset(x, y); 155 | final factor = animation!.status == AnimationStatus.forward 156 | ? radiusFactor! 157 | : 1 / radiusFactor!; 158 | final effectiveRadus = RadiusCurve(radius, radius * factor).transform(t)!; 159 | final opacity = animation!.status == AnimationStatus.forward 160 | ? 1.0 161 | : const RadiusCurve(1, 0.3).transform(t)!; 162 | canvas.drawCircle( 163 | center, 164 | effectiveRadus, 165 | Paint() 166 | ..blendMode = blend! 167 | ..maskFilter = const MaskFilter.blur(BlurStyle.solid, 10) 168 | ..color = color.withOpacity(opacity), 169 | ); 170 | } 171 | 172 | @override 173 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 174 | return false; 175 | } 176 | } 177 | 178 | double map(double x, double minOut, double maxOut) { 179 | return x * (maxOut - minOut) + minOut; 180 | } 181 | 182 | class RadiusCurve extends Animatable { 183 | const RadiusCurve(this.small, this.big); 184 | 185 | final double small; 186 | final double big; 187 | 188 | @override 189 | double? transform(double t) { 190 | if (t <= 0.5) { 191 | return lerpDouble(small, big, t); 192 | } else { 193 | return lerpDouble(big, small, t); 194 | } 195 | } 196 | } 197 | -------------------------------------------------------------------------------- /lib/volcano_counter.dart: -------------------------------------------------------------------------------- 1 | // Icons made by Freepik from www.flaticon.com 2 | // https://www.flaticon.com/free-icon/volcano_1497529import 3 | 4 | import 'dart:math' as math; 5 | import 'dart:ui'; 6 | 7 | import 'package:flutter/material.dart'; 8 | 9 | import 'common.dart'; 10 | 11 | class VolcanoCounter { 12 | VolcanoCounter( 13 | {required int initialCounter, 14 | bool enableSky = false, 15 | bool enableGrass = false}) { 16 | _counter = initialCounter; 17 | _enableGrass = enableGrass; 18 | _enableSky = enableSky; 19 | } 20 | 21 | int? _counter; 22 | late bool _enableSky; 23 | late bool _enableGrass; 24 | 25 | void incrementCounter() { 26 | _counter = _counter! + 1; 27 | } 28 | 29 | void decrementCounter() { 30 | if (_counter! > 0) { 31 | _counter = _counter! - 1; 32 | } 33 | } 34 | 35 | int? getCounter() { 36 | return _counter; 37 | } 38 | 39 | Widget build(BuildContext context) { 40 | return Stack( 41 | fit: StackFit.expand, 42 | children: [ 43 | if (_enableSky) const Sky(), 44 | for (int i = 0; i < _counter!; i++) _Eruption(count: i + 1), 45 | Volcano(), 46 | if (_enableGrass) const Grass(), 47 | ], 48 | ); 49 | } 50 | } 51 | 52 | class LavaParticle { 53 | LavaParticle({ 54 | this.mass, 55 | this.initialVelocity, 56 | this.initialPosition, 57 | }); 58 | 59 | final double? mass; 60 | final Offset? initialVelocity; 61 | final Offset? initialPosition; 62 | late Offset velocity; 63 | Offset? position; 64 | } 65 | 66 | class _Eruption extends StatefulWidget { 67 | const _Eruption({ 68 | Key? key, 69 | this.count, 70 | }) : super(key: key); 71 | 72 | final int? count; 73 | 74 | @override 75 | _EruptionState createState() => _EruptionState(); 76 | } 77 | 78 | class _EruptionState extends State<_Eruption> 79 | with SingleTickerProviderStateMixin { 80 | final math.Random random = math.Random(); 81 | final List particles = []; 82 | AnimationController? controller; 83 | 84 | @override 85 | void initState() { 86 | super.initState(); 87 | 88 | for (var i = 0; i < widget.count!; i++) { 89 | final mass = map(random.nextDouble(), 0, 1, 3, 6); 90 | final velocityX = map(random.nextDouble(), 0, 1, -10, 10); 91 | final velocityY = map(random.nextDouble(), 0, 1, -200, -50); 92 | final positionX = map(random.nextDouble(), 0, 1, 0.4, 0.6); 93 | particles.add( 94 | LavaParticle( 95 | mass: mass, 96 | initialVelocity: Offset(velocityX, velocityY), 97 | initialPosition: Offset(positionX, 0.6), 98 | ), 99 | ); 100 | } 101 | 102 | controller = AnimationController( 103 | vsync: this, 104 | duration: const Duration(seconds: 8), 105 | )..forward(); 106 | } 107 | 108 | @override 109 | void dispose() { 110 | controller!.dispose(); 111 | super.dispose(); 112 | } 113 | 114 | @override 115 | Widget build(BuildContext context) { 116 | return Positioned.fill( 117 | child: CustomPaint( 118 | painter: _EruptionPainter( 119 | controller, 120 | particles, 121 | ), 122 | ), 123 | ); 124 | } 125 | } 126 | 127 | class _EruptionPainter extends CustomPainter { 128 | _EruptionPainter(this.animation, this.particles) 129 | : random = math.Random(), 130 | super(repaint: animation); 131 | 132 | final Animation? animation; 133 | final List particles; 134 | final math.Random random; 135 | double dt = 0.1; 136 | static final colorTween = ColorTween( 137 | begin: const Color(0xFFDB4B38), 138 | end: const Color(0xFF732F13), 139 | ); 140 | 141 | @override 142 | void paint(Canvas canvas, Size size) { 143 | final opacity = 1 - animation!.value; 144 | final count = particles.length; 145 | final color = colorTween.transform(animation!.value); 146 | 147 | for (int i = 0; i < count; i++) { 148 | final particle = particles[i]; 149 | final radius = particle.mass! * 3; 150 | 151 | if (particle.position == null || opacity == 1) { 152 | final position = particle.initialPosition!; 153 | particle.position = Offset( 154 | position.dx * size.width, 155 | position.dy * size.height, 156 | ); 157 | particle.velocity = Offset( 158 | particle.initialVelocity!.dx, 159 | particle.initialVelocity!.dy, 160 | ); 161 | } 162 | 163 | final Offset force = Offset(0, particle.mass! * 9.81); 164 | final Offset acceleration = force / particle.mass!; 165 | particle.velocity += acceleration * dt; 166 | particle.position = particle.position! + particle.velocity * dt; 167 | canvas.drawCircle( 168 | particle.position!, 169 | radius, 170 | Paint()..color = color!, 171 | ); 172 | } 173 | } 174 | 175 | @override 176 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 177 | return false; 178 | } 179 | } 180 | 181 | class Counter extends StatelessWidget { 182 | const Counter({ 183 | Key? key, 184 | this.count, 185 | }) : super(key: key); 186 | 187 | final int? count; 188 | 189 | @override 190 | Widget build(BuildContext context) { 191 | return Positioned( 192 | top: 50, 193 | left: 0, 194 | right: 0, 195 | child: Text( 196 | '$count', 197 | textAlign: TextAlign.center, 198 | style: Theme.of(context) 199 | .textTheme 200 | .headline1! 201 | .copyWith(foreground: Paint()..color = Colors.white), 202 | ), 203 | ); 204 | } 205 | } 206 | 207 | class Sky extends StatefulWidget { 208 | const Sky({ 209 | Key? key, 210 | }) : super(key: key); 211 | 212 | @override 213 | _SkyState createState() => _SkyState(); 214 | } 215 | 216 | class _SkyState extends State with TickerProviderStateMixin { 217 | late AnimationController skyController; 218 | late AnimationController sunController; 219 | Animation? sunAnimation; 220 | Animation? skyAnimation; 221 | 222 | @override 223 | void initState() { 224 | super.initState(); 225 | skyController = AnimationController( 226 | vsync: this, 227 | duration: const Duration(seconds: 40), 228 | )..repeat(reverse: true); 229 | sunController = AnimationController( 230 | vsync: this, 231 | duration: const Duration(seconds: 80), 232 | )..repeat(); 233 | skyAnimation = skyController.drive(ColorTween( 234 | begin: Colors.blue, 235 | end: Colors.blueGrey.shade900, 236 | )); 237 | sunAnimation = sunController.drive(Tween( 238 | begin: 3 * math.pi / 2, 239 | end: 7 * math.pi / 2, 240 | )); 241 | } 242 | 243 | @override 244 | void dispose() { 245 | skyController.dispose(); 246 | sunController.dispose(); 247 | super.dispose(); 248 | } 249 | 250 | @override 251 | Widget build(BuildContext context) { 252 | return Positioned.fill( 253 | child: CustomPaint( 254 | painter: SkyPainter(skyAnimation, sunAnimation), 255 | ), 256 | ); 257 | } 258 | } 259 | 260 | class SkyPainter extends CustomPainter { 261 | const SkyPainter(this.skyAnimation, this.sunAnimation) 262 | : super(repaint: skyAnimation); 263 | 264 | final Animation? skyAnimation; 265 | final Animation? sunAnimation; 266 | 267 | static const sunColor = Color(0xFFFFC471); 268 | static const moonColor = Color(0xFFFFFFFF); 269 | static const sunRadius = 100.0; 270 | static const moonRadius = 75.0; 271 | 272 | @override 273 | void paint(Canvas canvas, Size size) { 274 | // Sky color. 275 | canvas.drawColor(skyAnimation!.value!, BlendMode.src); 276 | 277 | final halfWidth = size.width / 2; 278 | final distance = 2 / 4 * size.height; 279 | 280 | // Sun. 281 | final sunCenter = Offset.fromDirection( 282 | sunAnimation!.value, 283 | distance, 284 | ) + 285 | Offset(halfWidth, size.height); 286 | canvas.drawCircle( 287 | sunCenter, 288 | sunRadius, 289 | Paint() 290 | ..color = sunColor 291 | ..maskFilter = const MaskFilter.blur(BlurStyle.solid, 50), 292 | ); 293 | 294 | // Moon. 295 | final moonCenter = Offset.fromDirection( 296 | sunAnimation!.value + math.pi, 297 | distance, 298 | ) + 299 | Offset(halfWidth, size.height); 300 | 301 | canvas.drawCircle( 302 | moonCenter, 303 | moonRadius, 304 | Paint() 305 | ..color = moonColor 306 | ..maskFilter = const MaskFilter.blur(BlurStyle.solid, 50), 307 | ); 308 | } 309 | 310 | @override 311 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 312 | return false; 313 | } 314 | } 315 | 316 | class Volcano extends StatelessWidget { 317 | const Volcano({ 318 | Key? key, 319 | }) : super(key: key); 320 | 321 | @override 322 | Widget build(BuildContext context) { 323 | return Positioned( 324 | bottom: 0, 325 | left: 0, 326 | right: 0, 327 | child: Image.network( 328 | 'https://raw.githubusercontent.com/RyuuKenshi/flutter_animated_counter/main/volcano.png'), 329 | ); 330 | } 331 | } 332 | 333 | class Grass extends StatelessWidget { 334 | const Grass({ 335 | Key? key, 336 | }) : super(key: key); 337 | 338 | @override 339 | Widget build(BuildContext context) { 340 | return const Positioned( 341 | bottom: 0, 342 | left: 0, 343 | right: 0, 344 | height: 50, 345 | child: CustomPaint(painter: GrassPainter()), 346 | ); 347 | } 348 | } 349 | 350 | class GrassPainter extends CustomPainter { 351 | const GrassPainter(); 352 | 353 | @override 354 | void paint(Canvas canvas, Size size) { 355 | final paint = Paint()..color = const Color(0xFF00B673); 356 | final width = size.width; 357 | final height = size.height; 358 | final halfHeight = height / 2; 359 | 360 | canvas.drawRect( 361 | Offset(0, halfHeight) & Size(size.width, halfHeight), 362 | paint, 363 | ); 364 | canvas.drawCircle(Offset(0, height), 50, paint); 365 | canvas.drawCircle(Offset(width * 0.3, halfHeight), 40, paint); 366 | canvas.drawCircle(Offset(width * 0.4, halfHeight), 20, paint); 367 | canvas.drawCircle(Offset(width * 0.7, height), 70, paint); 368 | } 369 | 370 | @override 371 | bool shouldRepaint(covariant CustomPainter oldDelegate) { 372 | return false; 373 | } 374 | } 375 | -------------------------------------------------------------------------------- /lib/wave_counter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | class WaveCounter { 6 | WaveCounter({required int initialCounter, Color color = Colors.black}) { 7 | _counter = initialCounter; 8 | _color = color; 9 | } 10 | 11 | int? _counter; 12 | Color? _color; 13 | 14 | void incrementCounter() { 15 | _counter = _counter! + 1; 16 | } 17 | 18 | void decrementCounter() { 19 | if (_counter! > 0) { 20 | _counter = _counter! - 1; 21 | } 22 | } 23 | 24 | int? getCounter() { 25 | return _counter; 26 | } 27 | 28 | Widget build(BuildContext context) { 29 | return Stack( 30 | children: [ 31 | Positioned.fill( 32 | child: TweenAnimationBuilder( 33 | tween: Tween(begin: 0, end: _counter!.toDouble()), 34 | duration: const Duration(milliseconds: 1000), 35 | curve: Curves.bounceOut, 36 | builder: (_, double ratio, __) { 37 | return FractionallySizedBox( 38 | heightFactor: (ratio / 100).clamp(0, 100).toDouble(), 39 | alignment: Alignment.bottomCenter, 40 | child: _Wave( 41 | child: DifferenceMask( 42 | color: _color, 43 | ), 44 | ), 45 | ); 46 | }, 47 | ), 48 | ), 49 | ], 50 | ); 51 | } 52 | } 53 | 54 | class _Wave extends StatefulWidget { 55 | const _Wave({ 56 | Key? key, 57 | required this.child, 58 | }) : super(key: key); 59 | 60 | final Widget child; 61 | 62 | @override 63 | __WaveState createState() => __WaveState(); 64 | } 65 | 66 | class __WaveState extends State<_Wave> with SingleTickerProviderStateMixin { 67 | late AnimationController controller; 68 | Animation>? waves; 69 | 70 | @override 71 | void initState() { 72 | super.initState(); 73 | controller = AnimationController( 74 | vsync: this, 75 | duration: const Duration(seconds: 5), 76 | )..repeat(reverse: false); 77 | waves = controller.drive(_WaveTween(100, 20)); 78 | } 79 | 80 | @override 81 | void dispose() { 82 | controller.dispose(); 83 | super.dispose(); 84 | } 85 | 86 | @override 87 | Widget build(BuildContext context) { 88 | return ClipPath( 89 | clipper: _WaveClipper(waves), 90 | child: widget.child, 91 | ); 92 | } 93 | } 94 | 95 | class _WaveTween extends Animatable> { 96 | _WaveTween(this.count, this.height); 97 | 98 | final int count; 99 | final double height; 100 | static const twoPi = math.pi * 2; 101 | static const waveCount = 3; 102 | 103 | @override 104 | List transform(double t) { 105 | return List.generate( 106 | count, 107 | (i) { 108 | final ratio = i / (count - 1); 109 | final amplitude = 1 - (0.5 - ratio).abs() * 2; 110 | return Offset( 111 | ratio, 112 | amplitude * height * math.sin(waveCount * (ratio + t) * twoPi) + 113 | height * amplitude, 114 | ); 115 | }, 116 | growable: false, 117 | ); 118 | } 119 | } 120 | 121 | class _WaveClipper extends CustomClipper { 122 | _WaveClipper(this.waves) : super(reclip: waves); 123 | 124 | Animation>? waves; 125 | 126 | @override 127 | Path getClip(Size size) { 128 | final width = size.width; 129 | final points = waves!.value.map((o) => Offset(o.dx * width, o.dy)).toList(); 130 | return Path() 131 | ..addPolygon(points, false) 132 | ..lineTo(size.width, size.height) 133 | ..lineTo(0, size.height) 134 | ..close(); 135 | } 136 | 137 | @override 138 | bool shouldReclip(_WaveClipper oldClipper) => false; 139 | } 140 | 141 | class DifferenceMask extends StatelessWidget { 142 | const DifferenceMask({ 143 | Key? key, 144 | this.color, 145 | }) : super(key: key); 146 | 147 | final color; 148 | @override 149 | Widget build(BuildContext context) { 150 | return CustomPaint( 151 | painter: DifferencePainter(color: color), 152 | ); 153 | } 154 | } 155 | 156 | class DifferencePainter extends CustomPainter { 157 | const DifferencePainter({required this.color}) : super(); 158 | 159 | final color; 160 | @override 161 | void paint(Canvas canvas, Size size) { 162 | canvas.drawRect(Offset.zero & size, Paint()..color = color); 163 | } 164 | 165 | @override 166 | bool shouldRepaint(DifferencePainter oldDelegate) => false; 167 | } 168 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.5.0" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.1.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.2.0" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.15.0" 46 | fake_async: 47 | dependency: transitive 48 | description: 49 | name: fake_async 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.2.0" 53 | flutter: 54 | dependency: "direct main" 55 | description: flutter 56 | source: sdk 57 | version: "0.0.0" 58 | flutter_test: 59 | dependency: "direct dev" 60 | description: flutter 61 | source: sdk 62 | version: "0.0.0" 63 | matcher: 64 | dependency: transitive 65 | description: 66 | name: matcher 67 | url: "https://pub.dartlang.org" 68 | source: hosted 69 | version: "0.12.10" 70 | meta: 71 | dependency: transitive 72 | description: 73 | name: meta 74 | url: "https://pub.dartlang.org" 75 | source: hosted 76 | version: "1.3.0" 77 | path: 78 | dependency: transitive 79 | description: 80 | name: path 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "1.8.0" 84 | sky_engine: 85 | dependency: transitive 86 | description: flutter 87 | source: sdk 88 | version: "0.0.99" 89 | source_span: 90 | dependency: transitive 91 | description: 92 | name: source_span 93 | url: "https://pub.dartlang.org" 94 | source: hosted 95 | version: "1.8.1" 96 | stack_trace: 97 | dependency: transitive 98 | description: 99 | name: stack_trace 100 | url: "https://pub.dartlang.org" 101 | source: hosted 102 | version: "1.10.0" 103 | stream_channel: 104 | dependency: transitive 105 | description: 106 | name: stream_channel 107 | url: "https://pub.dartlang.org" 108 | source: hosted 109 | version: "2.1.0" 110 | string_scanner: 111 | dependency: transitive 112 | description: 113 | name: string_scanner 114 | url: "https://pub.dartlang.org" 115 | source: hosted 116 | version: "1.1.0" 117 | term_glyph: 118 | dependency: transitive 119 | description: 120 | name: term_glyph 121 | url: "https://pub.dartlang.org" 122 | source: hosted 123 | version: "1.2.0" 124 | test_api: 125 | dependency: transitive 126 | description: 127 | name: test_api 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "0.2.19" 131 | typed_data: 132 | dependency: transitive 133 | description: 134 | name: typed_data 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.3.0" 138 | vector_math: 139 | dependency: "direct main" 140 | description: 141 | name: vector_math 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "2.1.0" 145 | sdks: 146 | dart: ">=2.12.0 <3.0.0" 147 | flutter: ">=1.17.0" 148 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: animated_counter 2 | description: A package containing awesome animated counters to enhance your application with custom counter widgets. 3 | version: 1.0.0 4 | homepage: https://github.com/RyuuKenshi/flutter_animated_counter 5 | repository: https://github.com/RyuuKenshi/flutter_animated_counter 6 | 7 | environment: 8 | sdk: '>=2.12.0 <3.0.0' 9 | flutter: ">=1.17.0" 10 | 11 | dependencies: 12 | flutter: 13 | sdk: flutter 14 | vector_math: ^2.0.8 15 | 16 | dev_dependencies: 17 | flutter_test: 18 | sdk: flutter 19 | 20 | # For information on the generic Dart part of this file, see the 21 | # following page: https://dart.dev/tools/pub/pubspec 22 | 23 | # The following section is specific to Flutter. 24 | flutter: 25 | 26 | # To add assets to your package, add an assets section, like this: 27 | # assets: 28 | # - assets/ 29 | # - images/a_dot_ham.jpeg 30 | # 31 | # For details regarding assets in packages, see 32 | # https://flutter.dev/assets-and-images/#from-packages 33 | # 34 | # An image asset can refer to one or more resolution-specific "variants", see 35 | # https://flutter.dev/assets-and-images/#resolution-aware. 36 | 37 | # To add custom fonts to your package, add a fonts section here, 38 | # in this "flutter" section. Each entry in this list should have a 39 | # "family" key with the font family name, and a "fonts" key with a 40 | # list giving the asset and other descriptors for the font. For 41 | # example: 42 | # fonts: 43 | # - family: Schyler 44 | # fonts: 45 | # - asset: fonts/Schyler-Regular.ttf 46 | # - asset: fonts/Schyler-Italic.ttf 47 | # style: italic 48 | # - family: Trajan Pro 49 | # fonts: 50 | # - asset: fonts/TrajanPro.ttf 51 | # - asset: fonts/TrajanPro_Bold.ttf 52 | # weight: 700 53 | # 54 | # For details regarding fonts in packages, see 55 | # https://flutter.dev/custom-fonts/#from-packages 56 | -------------------------------------------------------------------------------- /ss/blocks.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DrunkOnBytes/flutter_animated_counter/4120e65869d6d2926589c681ae997d86c237dc03/ss/blocks.gif -------------------------------------------------------------------------------- /ss/circle_wave.gif: -------------------------------------------------------------------------------- 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