adds flutter multiplayer shooting game example app

examples/realtime/flutter-multiplayer-shooting-game/.gitignore

@@ -0,0 +1,46 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+/pubspec.lock

examples/realtime/flutter-multiplayer-shooting-game/README.md

@@ -0,0 +1,16 @@
+# flame_realtime_shooting
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

examples/realtime/flutter-multiplayer-shooting-game/analysis_options.yaml

@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

examples/realtime/flutter-multiplayer-shooting-game/android/.gitignore

@@ -0,0 +1,13 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties
+**/*.keystore
+**/*.jks

examples/realtime/flutter-multiplayer-shooting-game/android/app/build.gradle

@@ -0,0 +1,71 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion flutter.compileSdkVersion
+    ndkVersion flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.example.flame_realtime_shooting"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+        minSdkVersion flutter.minSdkVersion
+        targetSdkVersion flutter.targetSdkVersion
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,8 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.flame_realtime_shooting">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,34 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.flame_realtime_shooting">
+   <application
+        android:label="flame_realtime_shooting"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/kotlin/com/example/flame_realtime_shooting/MainActivity.kt

@@ -0,0 +1,6 @@
+package com.example.flame_realtime_shooting
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/res/drawable/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/res/values-night/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

examples/realtime/flutter-multiplayer-shooting-game/android/app/src/profile/AndroidManifest.xml

@@ -0,0 +1,8 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.flame_realtime_shooting">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

examples/realtime/flutter-multiplayer-shooting-game/android/build.gradle

@@ -0,0 +1,31 @@
+buildscript {
+    ext.kotlin_version = '1.7.10'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.2.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

examples/realtime/flutter-multiplayer-shooting-game/android/gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true

examples/realtime/flutter-multiplayer-shooting-game/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip

examples/realtime/flutter-multiplayer-shooting-game/android/settings.gradle

@@ -0,0 +1,11 @@
+include ':app'
+
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
+
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

examples/realtime/flutter-multiplayer-shooting-game/ios/.gitignore

@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3

examples/realtime/flutter-multiplayer-shooting-game/ios/Flutter/AppFrameworkInfo.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>11.0</string>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Flutter/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Generated.xcconfig"

examples/realtime/flutter-multiplayer-shooting-game/ios/Flutter/Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Generated.xcconfig"

examples/realtime/flutter-multiplayer-shooting-game/ios/Podfile

@@ -0,0 +1,41 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '11.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

examples/realtime/flutter-multiplayer-shooting-game/ios/Podfile.lock

@@ -0,0 +1,35 @@
+PODS:
+  - app_links (0.0.1):
+    - Flutter
+  - Flutter (1.0.0)
+  - path_provider_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+  - url_launcher_ios (0.0.1):
+    - Flutter
+
+DEPENDENCIES:
+  - app_links (from `.symlinks/plugins/app_links/ios`)
+  - Flutter (from `Flutter`)
+  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/ios`)
+  - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
+
+EXTERNAL SOURCES:
+  app_links:
+    :path: ".symlinks/plugins/app_links/ios"
+  Flutter:
+    :path: Flutter
+  path_provider_foundation:
+    :path: ".symlinks/plugins/path_provider_foundation/ios"
+  url_launcher_ios:
+    :path: ".symlinks/plugins/url_launcher_ios/ios"
+
+SPEC CHECKSUMS:
+  app_links: ab4ba54d10a13d45825336bc9707b5eadee81191
+  Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
+  path_provider_foundation: 37748e03f12783f9de2cb2c4eadfaa25fe6d4852
+  url_launcher_ios: ae1517e5e344f5544fb090b079e11f399dfbe4d2
+
+PODFILE CHECKSUM: ef19549a9bc3046e7bb7d2fab4d021637c0c58a3
+
+COCOAPODS: 1.11.3

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,551 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
+		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
+		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
+		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+		BE23484369E0A627E72B448C /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B449CD597D82C8759DF3E2B7 /* Pods_Runner.framework */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
+		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
+		704E3DD2DB644C18A6649B8B /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
+		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
+		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
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+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flameRealtimeShooting;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+				249021D3217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+				249021D4217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1300"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import UIKit
+import Flutter
+
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md

@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+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.

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Base.lproj/Main.storyboard

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Info.plist

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Flame Realtime Shooting</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>flame_realtime_shooting</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
+</dict>
+</plist>

examples/realtime/flutter-multiplayer-shooting-game/ios/Runner/Runner-Bridging-Header.h

@@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"

examples/realtime/flutter-multiplayer-shooting-game/lib/game/bullet.dart

@@ -0,0 +1,55 @@
+import 'dart:async';
+
+import 'package:flame/collisions.dart';
+import 'package:flame/components.dart';
+import 'package:flame/image_composition.dart' as flame_image;
+
+class Bullet extends PositionComponent with CollisionCallbacks, HasGameRef {
+  final Vector2 velocity;
+
+  final flame_image.Image image;
+
+  static const radius = 5.0;
+
+  bool hasBeenHit = false;
+
+  final bool isMine;
+
+  /// Damage that it deals when it hits the player
+  final int damage = 5;
+
+  Bullet({
+    required this.isMine,
+    required this.velocity,
+    required this.image,
+    required Vector2 initialPosition,
+  }) : super(position: initialPosition);
+
+  @override
+  Future<void>? onLoad() async {
+    anchor = Anchor.center;
+
+    width = radius * 2;
+    height = radius * 2;
+
+    add(CircleHitbox()
+      ..collisionType = CollisionType.passive
+      ..anchor = Anchor.center);
+
+    final sprite =
+        SpriteComponent.fromImage(image, size: Vector2.all(radius * 2));
+
+    add(sprite);
+    await super.onLoad();
+  }
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    position += velocity * dt;
+
+    if (position.y < 0 || position.y > gameRef.size.y) {
+      removeFromParent();
+    }
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/lib/game/game.dart

@@ -0,0 +1,160 @@
+import 'dart:async';
+
+import 'package:flame/game.dart';
+import 'package:flame/components.dart';
+import 'package:flame/events.dart';
+import 'package:flame/image_composition.dart' as flame_image;
+import 'package:flame_realtime_shooting/game/bullet.dart';
+import 'package:flame_realtime_shooting/game/player.dart';
+import 'package:flutter/material.dart';
+
+class MyGame extends FlameGame with PanDetector, HasCollisionDetection {
+  MyGame({
+    required this.onGameOver,
+    required this.onGameStateUpdate,
+  });
+
+  static const _initialHealthPoints = 100;
+
+  /// Callback to notify the parent when the game ends.
+  final void Function(bool didWin) onGameOver;
+
+  /// Callback for when the game state updates.
+  final void Function(
+    Vector2 position,
+    int health,
+  ) onGameStateUpdate;
+
+  /// `Player` instance of the player
+  late Player _player;
+
+  /// `Player` instance of the opponent
+  late Player _opponent;
+
+  bool isGameOver = true;
+
+  int _playerHealthPoint = _initialHealthPoints;
+
+  late final flame_image.Image _playerBulletImage;
+  late final flame_image.Image _opponentBulletImage;
+
+  @override
+  Color backgroundColor() {
+    return Colors.transparent;
+  }
+
+  @override
+  Future<void>? onLoad() async {
+    final playerImage = await images.load('player.png');
+    _player = Player(isMe: true);
+    final spriteSize = Vector2.all(Player.radius * 2);
+    _player.add(SpriteComponent(sprite: Sprite(playerImage), size: spriteSize));
+    add(_player);
+
+    final opponentImage = await images.load('opponent.png');
+    _opponent = Player(isMe: false);
+    _opponent.add(SpriteComponent.fromImage(opponentImage, size: spriteSize));
+    add(_opponent);
+
+    _playerBulletImage = await images.load('player-bullet.png');
+    _opponentBulletImage = await images.load('opponent-bullet.png');
+
+    await super.onLoad();
+  }
+
+  @override
+  void onPanUpdate(DragUpdateInfo info) {
+    _player.move(info.delta.global);
+    final mirroredPosition = _player.getMirroredPercentPosition();
+    onGameStateUpdate(mirroredPosition, _playerHealthPoint);
+    super.onPanUpdate(info);
+  }
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    if (isGameOver) {
+      return;
+    }
+    for (final child in children) {
+      if (child is Bullet && child.hasBeenHit && !child.isMine) {
+        _playerHealthPoint = _playerHealthPoint - child.damage;
+        final mirroredPosition = _player.getMirroredPercentPosition();
+        onGameStateUpdate(mirroredPosition, _playerHealthPoint);
+        _player.updateHealth(_playerHealthPoint / _initialHealthPoints);
+      }
+    }
+    if (_playerHealthPoint <= 0) {
+      endGame(false);
+    }
+  }
+
+  void startNewGame() {
+    isGameOver = false;
+    _playerHealthPoint = _initialHealthPoints;
+
+    for (final child in children) {
+      if (child is Player) {
+        child.position = child.initialPosition;
+      } else if (child is Bullet) {
+        child.removeFromParent();
+      }
+    }
+
+    _shootBullets();
+  }
+
+  /// shoots out bullets form both the player and the opponent.
+  ///
+  /// Calls itself every 500 milliseconds
+  Future<void> _shootBullets() async {
+    await Future.delayed(const Duration(milliseconds: 500));
+
+    /// Player's bullet
+    final playerBulletInitialPosition = Vector2.copy(_player.position)
+      ..y -= Player.radius;
+    final playerBulletVelocities = [
+      Vector2(0, -100),
+      Vector2(60, -80),
+      Vector2(-60, -80),
+    ];
+    for (final bulletVelocity in playerBulletVelocities) {
+      add((Bullet(
+        isMine: true,
+        velocity: bulletVelocity,
+        image: _playerBulletImage,
+        initialPosition: playerBulletInitialPosition,
+      )));
+    }
+
+    /// Opponent's bullet
+    final opponentBulletInitialPosition = Vector2.copy(_opponent.position)
+      ..y += Player.radius;
+    final opponentBulletVelocities = [
+      Vector2(0, 100),
+      Vector2(60, 80),
+      Vector2(-60, 80),
+    ];
+    for (final bulletVelocity in opponentBulletVelocities) {
+      add((Bullet(
+        isMine: false,
+        velocity: bulletVelocity,
+        image: _opponentBulletImage,
+        initialPosition: opponentBulletInitialPosition,
+      )));
+    }
+
+    _shootBullets();
+  }
+
+  void updateOpponent({required Vector2 position, required int health}) {
+    _opponent.position = Vector2(size.x * position.x, size.y * position.y);
+    _opponent.updateHealth(health / _initialHealthPoints);
+  }
+
+  /// Called when either the player or the opponent has run out of health points
+  void endGame(bool playerWon) {
+    isGameOver = true;
+    onGameOver(playerWon);
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/lib/game/player.dart

@@ -0,0 +1,103 @@
+import 'dart:async';
+
+import 'package:flame/collisions.dart';
+import 'package:flame/components.dart';
+import 'package:flame_realtime_shooting/game/bullet.dart';
+import 'package:flutter/material.dart';
+
+class Player extends PositionComponent with HasGameRef, CollisionCallbacks {
+  Vector2 velocity = Vector2.zero();
+
+  late final Vector2 initialPosition;
+
+  Player({required bool isMe}) : _isMyPlayer = isMe;
+
+  /// Whether it's me or the opponent
+  final bool _isMyPlayer;
+
+  static const radius = 30.0;
+
+  @override
+  Future<void>? onLoad() async {
+    anchor = Anchor.center;
+    width = radius * 2;
+    height = radius * 2;
+
+    final initialX = gameRef.size.x / 2;
+    initialPosition = _isMyPlayer
+        ? Vector2(initialX, gameRef.size.y * 0.8)
+        : Vector2(initialX, gameRef.size.y * 0.2);
+    position = initialPosition;
+
+    add(CircleHitbox());
+    add(_Gauge());
+    await super.onLoad();
+  }
+
+  void move(Vector2 delta) {
+    position += delta;
+  }
+
+  void updateHealth(double healthLeft) {
+    for (final child in children) {
+      if (child is _Gauge) {
+        child._healthLeft = healthLeft;
+      }
+    }
+  }
+
+  @override
+  void onCollision(Set<Vector2> intersectionPoints, PositionComponent other) {
+    super.onCollision(intersectionPoints, other);
+    if (other is Bullet && _isMyPlayer != other.isMine) {
+      other.hasBeenHit = true;
+      other.removeFromParent();
+    }
+  }
+
+  /// returns the mirrored percent position of the player
+  /// to be broadcasted to other clients
+  Vector2 getMirroredPercentPosition() {
+    final mirroredPosition = gameRef.size - position;
+    return Vector2(mirroredPosition.x / gameRef.size.x,
+        mirroredPosition.y / gameRef.size.y);
+  }
+}
+
+class _Gauge extends PositionComponent {
+  double _healthLeft = 1.0;
+
+  @override
+  FutureOr<void> onLoad() {
+    final playerParent = parent;
+    if (playerParent is Player) {
+      width = playerParent.width;
+      height = 10;
+      anchor = Anchor.centerLeft;
+      position = Vector2(0, 0);
+    }
+    return super.onLoad();
+  }
+
+  @override
+  void render(Canvas canvas) {
+    super.render(canvas);
+    canvas.drawRect(
+        Rect.fromPoints(
+          const Offset(0, 0),
+          Offset(width, height),
+        ),
+        Paint()..color = Colors.white);
+    canvas.drawRect(
+        Rect.fromPoints(
+          const Offset(0, 0),
+          Offset(width * _healthLeft, height),
+        ),
+        Paint()
+          ..color = _healthLeft > 0.5
+              ? Colors.green
+              : _healthLeft > 0.25
+                  ? Colors.orange
+                  : Colors.red);
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/lib/main.dart

@@ -0,0 +1,252 @@
+import 'package:flame/game.dart';
+import 'package:flame_realtime_shooting/game/game.dart';
+import 'package:flutter/material.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+import 'package:uuid/uuid.dart';
+
+void main() async {
+  await Supabase.initialize(
+    url: 'supabaseUrl',
+    anonKey: 'supabaseAnonKey',
+    realtimeClientOptions: const RealtimeClientOptions(eventsPerSecond: 40),
+  );
+  runApp(const MyApp());
+}
+
+final supabase = Supabase.instance.client;
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const MaterialApp(
+      title: 'UFO Shooting Game',
+      debugShowCheckedModeBanner: false,
+      home: GamePage(),
+    );
+  }
+}
+
+class GamePage extends StatefulWidget {
+  const GamePage({Key? key}) : super(key: key);
+
+  @override
+  State<GamePage> createState() => _GamePageState();
+}
+
+class _GamePageState extends State<GamePage> {
+  late final MyGame _game;
+
+  /// Holds the RealtimeChannel to sync game states
+  RealtimeChannel? _gameChannel;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Stack(
+        fit: StackFit.expand,
+        children: [
+          Image.asset('assets/images/background.jpg', fit: BoxFit.cover),
+          GameWidget(game: _game),
+        ],
+      ),
+    );
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _initialize();
+  }
+
+  Future<void> _initialize() async {
+    _game = MyGame(
+      onGameStateUpdate: (position, health) async {
+        ChannelResponse response;
+        do {
+          response = await _gameChannel!.send(
+            type: RealtimeListenTypes.broadcast,
+            event: 'game_state',
+            payload: {'x': position.x, 'y': position.y, 'health': health},
+          );
+
+          // wait for a frame to avoid infinite rate limiting loops
+          await Future.delayed(Duration.zero);
+          setState(() {});
+        } while (response == ChannelResponse.rateLimited && health <= 0);
+      },
+      onGameOver: (playerWon) async {
+        await showDialog(
+          barrierDismissible: false,
+          context: context,
+          builder: ((context) {
+            return AlertDialog(
+              title: Text(playerWon ? 'You Won!' : 'You lost...'),
+              actions: [
+                TextButton(
+                  onPressed: () async {
+                    Navigator.of(context).pop();
+                    await supabase.removeChannel(_gameChannel!);
+                    _openLobbyDialog();
+                  },
+                  child: const Text('Back to Lobby'),
+                ),
+              ],
+            );
+          }),
+        );
+      },
+    );
+
+    // await for a frame so that the widget mounts
+    await Future.delayed(Duration.zero);
+
+    if (mounted) {
+      _openLobbyDialog();
+    }
+  }
+
+  void _openLobbyDialog() {
+    showDialog(
+        context: context,
+        barrierDismissible: false,
+        builder: (context) {
+          return _LobbyDialog(
+            onGameStarted: (gameId) async {
+              // await a frame to allow subscribing to a new channel in a realtime callback
+              await Future.delayed(Duration.zero);
+
+              setState(() {});
+
+              _game.startNewGame();
+
+              _gameChannel = supabase.channel(gameId,
+                  opts: const RealtimeChannelConfig(ack: true));
+
+              _gameChannel!.on(RealtimeListenTypes.broadcast,
+                  ChannelFilter(event: 'game_state'), (payload, [_]) {
+                final position =
+                    Vector2(payload['x'] as double, payload['y'] as double);
+                final opponentHealth = payload['health'] as int;
+                _game.updateOpponent(
+                  position: position,
+                  health: opponentHealth,
+                );
+
+                if (opponentHealth <= 0) {
+                  if (!_game.isGameOver) {
+                    _game.isGameOver = true;
+                    _game.onGameOver(true);
+                  }
+                }
+              }).subscribe();
+            },
+          );
+        });
+  }
+}
+
+class _LobbyDialog extends StatefulWidget {
+  const _LobbyDialog({
+    required this.onGameStarted,
+  });
+
+  final void Function(String gameId) onGameStarted;
+
+  @override
+  State<_LobbyDialog> createState() => _LobbyDialogState();
+}
+
+class _LobbyDialogState extends State<_LobbyDialog> {
+  List<String> _userids = [];
+  bool _loading = false;
+
+  /// Unique identifier for each players to identify eachother in lobby
+  final myUserId = const Uuid().v4();
+
+  late final RealtimeChannel _lobbyChannel;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _lobbyChannel = supabase.channel(
+      'lobby',
+      opts: const RealtimeChannelConfig(self: true),
+    );
+    _lobbyChannel.on(RealtimeListenTypes.presence, ChannelFilter(event: 'sync'),
+        (payload, [ref]) {
+      // Update the lobby count
+      final presenceState = _lobbyChannel.presenceState();
+
+      setState(() {
+        _userids = presenceState.values
+            .map((presences) =>
+                (presences.first as Presence).payload['user_id'] as String)
+            .toList();
+      });
+    }).on(RealtimeListenTypes.broadcast, ChannelFilter(event: 'game_start'),
+        (payload, [_]) {
+      // Start the game if someone has started a game with you
+      final participantIds = List<String>.from(payload['participants']);
+      if (participantIds.contains(myUserId)) {
+        final gameId = payload['game_id'] as String;
+        widget.onGameStarted(gameId);
+        Navigator.of(context).pop();
+      }
+    }).subscribe(
+      (status, [ref]) async {
+        if (status == 'SUBSCRIBED') {
+          await _lobbyChannel.track({'user_id': myUserId});
+        }
+      },
+    );
+  }
+
+  @override
+  void dispose() {
+    supabase.removeChannel(_lobbyChannel);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: const Text('Lobby'),
+      content: _loading
+          ? const SizedBox(
+              height: 100,
+              child: Center(child: CircularProgressIndicator()),
+            )
+          : Text('${_userids.length} users waiting'),
+      actions: [
+        TextButton(
+          onPressed: _userids.length < 2
+              ? null
+              : () async {
+                  setState(() {
+                    _loading = true;
+                  });
+
+                  final opponentId =
+                      _userids.firstWhere((userId) => userId != myUserId);
+                  final gameId = const Uuid().v4();
+                  await _lobbyChannel.send(
+                    type: RealtimeListenTypes.broadcast,
+                    event: 'game_start',
+                    payload: {
+                      'participants': [
+                        opponentId,
+                        myUserId,
+                      ],
+                      'game_id': gameId,
+                    },
+                  );
+                },
+          child: const Text('start'),
+        ),
+      ],
+    );
+  }
+}

examples/realtime/flutter-multiplayer-shooting-game/pubspec.yaml

@@ -0,0 +1,28 @@
+name: flame_realtime_shooting
+description: Multiplayer shooting game using Flutter, Flame and Supabase.
+
+publish_to: 'none'
+
+version: 1.0.0+1
+
+environment:
+  sdk: '>=2.19.0 <3.0.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  supabase_flutter: ^1.4.0
+  flame: ^1.6.0
+  uuid: ^3.0.7
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+  flutter_lints: ^2.0.0
+
+flutter:
+  uses-material-design: true
+  assets:
+    - assets/images/

examples/realtime/flutter-multiplayer-shooting-game/test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:flame_realtime_shooting/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}

examples/realtime/flutter-multiplayer-shooting-game/web/index.html

@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="$FLUTTER_BASE_HREF">
+
+  <meta charset="UTF-8">
+  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+  <meta name="description" content="A new Flutter project.">
+
+  <!-- iOS meta tags & icons -->
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+  <meta name="apple-mobile-web-app-title" content="flame_realtime_shooting">
+  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+
+  <!-- Favicon -->
+  <link rel="icon" type="image/png" href="favicon.png"/>
+
+  <title>flame_realtime_shooting</title>
+  <link rel="manifest" href="manifest.json">
+
+  <script>
+    // The value below is injected by flutter build, do not touch.
+    var serviceWorkerVersion = null;
+  </script>
+  <!-- This script adds the flutter initialization JS code -->
+  <script src="flutter.js" defer></script>
+</head>
+<body>
+  <script>
+    window.addEventListener('load', function(ev) {
+      // Download main.dart.js
+      _flutter.loader.loadEntrypoint({
+        serviceWorker: {
+          serviceWorkerVersion: serviceWorkerVersion,
+        },
+        onEntrypointLoaded: function(engineInitializer) {
+          engineInitializer.initializeEngine().then(function(appRunner) {
+            appRunner.runApp();
+          });
+        }
+      });
+    });
+  </script>
+</body>
+</html>

examples/realtime/flutter-multiplayer-shooting-game/web/manifest.json

@@ -0,0 +1,35 @@
+{
+    "name": "flame_realtime_shooting",
+    "short_name": "flame_realtime_shooting",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}