A minimalist Flutter game engine

English | 简体中文 | Polski A minimalistic Flutter game engine. Help We have a Flame help channel on Fireslime's Discord, join it here. We also have a FAQ

Information

Category: Flutter / Gaming
Watchers: 123
Star: 7.6k
Fork: 734
Last update: Mar 22, 2023

Resource links

https://flame-engine.org

https://github.com/flame-engine/flame

English | 简体中文 | Polski

A minimalistic Flutter game engine.

Help

We have a Flame help channel on Fireslime's Discord, join it here.

We also have a FAQ, so please search for your question there first.

Goals

The goal of this project is to provide a complete set of out-of-the-way solutions for the common problems every game developed in Flutter will share.

Currently it provides you with:

a game loop
a component/object system
bundles a physics engine (box2d)
audio support
effects and particles
gesture and input support
images, sprites and sprite sheets
basic Rive support
and a few other utilities to make development easier

You can use whichever ones you want, as they are all somewhat independent.

Support

The simplest way to show us your support is by giving the project a star.

You can also support us by becoming a patron on Patreon:

Or by making a single donation by buying us a coffee:

You can also show on your repository that your game is made with Flame by using one of the following badges:

[![Powered by Flame](https://img.shields.io/badge/Powered%20by-%F0%9F%94%A5-orange.svg)](https://flame-engine.org)
[![Powered by Flame](https://img.shields.io/badge/Powered%20by-%F0%9F%94%A5-orange.svg?style=flat-square)](https://flame-engine.org)
[![Powered by Flame](https://img.shields.io/badge/Powered%20by-%F0%9F%94%A5-orange.svg?style=for-the-badge)](https://flame-engine.org)

Contributing

Any help is appreciated! Comments, suggestions, issues, PRs.

Have you found a bug or have a suggestion of how to enhance Flame, open an issue and we will take a look at it as soon as possible.

Do you want to contribute with a PR? PRs are always welcome, just be sure to create it from the develop branch and follow the checklist which will appear when you open it.

Getting started

Check out this great series of articles/tutorials written by Alekhin

We also offer a curated list of Games, Libraries and Articles over at awesome-flame.

Note that some of the articles might be slightly outdated, but they are still useful.

Documentation

The complete documentation can be found here.

Many examples of different features can be found here and a good starting example can be found here.

The official site for Flame, which also contains the documentation can be found here.

Credits

Fireslime, the team responsible for maintaining Flame.
All the friendly contributors and people who are helping in the community.
Luanpotter's (the Flame founder) audioplayers lib, which in turn is forked from rxlabz's.
The Dart port of Box2D.

90 Open More issues

Closed

feat: Add `isFirstFrame` and `onStart` event to `SpriteAnimation`

Description

This adds isFirstFrame and onStart event callback to sprite_animation.dart. May not be useful for everyone but I needed to trigger another event whenever an animation was called as multiple factors could trigger that animation.

Checklist

[x] The title of my PR starts with a [Conventional Commit] prefix (fix:, feat:, docs: etc).
[x] I have read the [Contributor Guide] and followed the process outlined for submitting PRs.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[x] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[ ] I have updated/added relevant examples in examples.

Breaking Change

[ ] Yes, this is a breaking change.
[x] No, this is not a breaking change.

opened Mar 26, 2022 by munsterlander 40

Closed

feat: Add paint layers to HasPaint and associated component renders

Description

Add optional named property paintLayers to HasPaint mixin. Adding Paint classes to this list provides a reference for a component's render function to draw with multiple paints on top of each other. The main paint property points to the first element in the paintLayer and remains backwards compatible. ShapeComponent and extensions now expose paintLayers in their constructors. PolygonComponent, RectangleComponent and CircleComponent render functions have been updated to draw with paintLayers.

This removes the need to add an entirely new ShapeComponent (and extensions) just to render with multiple paints, e.g. a fill and an outline.

Support functions for paintLayers have also been added, such as usage with HasPaint paint collections, now also available on shape and sprite library components.

Checklist

[x] The title of my PR starts with a Conventional Commit prefix (fix:, feat:, docs: etc).
[x] I have followed the Contributor Guide when preparing my PR.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[ ] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[ ] I have updated/added relevant examples in examples or docs.

Breaking Change?

[ ] Yes, this PR is a breaking change.
[x] No, this PR is not a breaking change.

Related Issues

Closes #2072

hacktoberfest-accepted

opened Oct 12, 2022 by mattmyne 34

Closed

feat: Added HasGameReference mixin

Description

This almost exactly like the current HasGameRef mixin, except that:

The property is called game instead of gameRef (the "gameRef" violates Dart naming conventions against using abbreviations in variable names);
The template type T supports all Games, not only FlameGames;
Better integration with the SingleGameInstance mixin;
The new mixin is within experimental, to reduce chance that it will confuse the users.

Checklist

[x] The title of my PR starts with a Conventional Commit prefix (fix:, feat:, docs: etc).
[x] I have read the Contributor Guide and followed the process outlined for submitting PRs.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[x] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[-] I have updated/added relevant examples in examples.

Breaking Change

[-] Yes, this is a breaking change.
[x] No, this is not a breaking change.

Related Issues

opened Jul 30, 2022 by st-pasha 28

Closed

null safety

This is a work in progress.

ordered_set uses override to a branch in my fork until this is merged https://github.com/luanpotter/ordered_set/pull/5.

As for now, nothing is done in the flame code itself.

Todo:

[x] prepare main pubspec.yaml file
[x] migrate main dependencies
[x] migrate main code
[x] prepare examples pubspec.yaml files
[x] migrate examples dependencies
[x] migrate examples code
[x] ensure CI passes
[x] changelog entry
[x] rebase on master with null safety backports merged in
[x] Dashbook null safety release

opened Nov 28, 2020 by lig 28

Closed

feat: Added RouterComponent

Description

This PR adds the RouterComponent (see the docs for the description of its functionality).

https://user-images.githubusercontent.com/4231472/175832885-bcd1b821-c263-4d83-a4a6-daedf8e5f79f.mov

Checklist

[x] The title of my PR starts with a Conventional Commit prefix (fix:, feat:, docs: etc).
[x] I have read the Contributor Guide and followed the process outlined for submitting PRs.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[x] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[x] I have updated/added relevant examples in examples.

Breaking Change

[-] Yes, this is a breaking change.
[x] No, this is not a breaking change.

Related Issues

~~Prerequisite: #1781~~ Closes #1375

opened Jun 26, 2022 by st-pasha 27

Closed

`flipHorizontallyAroundCenter` changes component position during position change

Current bug behaviour

Components center is to the left by components size.

Expected behaviour

Component center remains the same as before applying flips.

Steps to reproduce

Have component face right direction
Start moving component to left direction applying flipHorizontallyAroundCenter before that.
While component is moving apply flipHorizontallyAroundCenter again. (aka change facing direction back to right)

Please see video attached

Flame reference: main branch.

Flutter doctor output

Output of: flutter doctor -v

[✓] Flutter (Channel stable, 2.5.3, on macOS 11.6 20G165 darwin-x64, locale en-UA)
    • Flutter version 2.5.3 at /Users/onov/IdeaProjects/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 18116933e7 (6 weeks ago), 2021-10-15 10:46:35 -0700
    • Engine revision d3ea636dc5
    • Dart version 2.14.4

[✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0-rc4)
    • Android SDK at /Users/onov/Library/Android/sdk
    • Platform android-31, build-tools 31.0.0-rc4
    • ANDROID_HOME = /Users/onov/Library/Android/sdk
    • Java binary at: /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_232-b09)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 13.1, Build version 13A1030d
    • CocoaPods version 1.11.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[!] Android Studio
    • Android Studio at /Applications/Android Studio Preview.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    ✗ Unable to find bundled Java version.
    • Try updating or re-installing Android Studio.

[✓] IntelliJ IDEA Community Edition (version 2021.2.3)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin version 62.0.3
    • Dart plugin version 212.5632

[✓] VS Code (version 1.62.3)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.28.0

[✓] Connected device (3 available)
    • SM A505FN (mobile) • R58M96Y8GWP • android-arm64  • Android 10 (API 29)
    • macOS (desktop)    • macos       • darwin-x64     • macOS 11.6 20G165 darwin-x64
    • Chrome (web)       • chrome      • web-javascript • Google Chrome 96.0.4664.55

More environment information

Flame version: main branch
Platform affected: Android
Platform version affected: Android 10

Log information

N/A

More information

Worth noticing that I am changing component size dynamically

https://user-images.githubusercontent.com/6299150/143201803-8e0e91c0-39b1-48ec-8b78-bdef8fc86b0f.mov

bug

opened Nov 24, 2021 by OlegNovosad 24

Open

fix: Auto-resize `SpriteComponent` on sprite change

Description

This PR adds an autoResize parameter to SpriteComponent using which users will be able to control if the component should auto-resize on sprite change to match the sprite's srcSize. Some important design decisions about autoResize:

It is mutually exclusive with size while construction: This means, if size is non-null while construction of SpriteComponent, autoResize cannot be true. This allows use-cases where one might want to render a sprite at a different size than its original size. If an user is setting the size explicitly, we can leave it up to them to handle resizing in such cases.
It is optional: If an user does not set this parameter while construction, it will be auto-populated depending upon if a size is provided or not.

Checklist

[x] I have followed the [Contributor Guide] when preparing my PR.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[x] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[ ] I have updated/added relevant examples in examples or docs.

Breaking Change?

[ ] Yes, this PR is a breaking change.
[x] No, this PR is not a breaking change.

Related Issues

Closes #2419

opened Mar 25, 2023 by ufrshubham 0

Open

feat: Reuse diff vector in the Vector2.moveToTarget

Description

Add optional reusable diff argument to the Vector2.moveToTarget for reducing object(Vector2) creation overheads.

Checklist

[x] I have followed the Contributor Guide when preparing my PR.
[x] I have updated/added tests for ALL new/updated/fixed functionality.
[x] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
[ ] I have updated/added relevant examples in examples or docs.

Breaking Change?

[ ] Yes, this PR is a breaking change.
[x] No, this PR is not a breaking change.

Related Issues

Closes #2427

opened Mar 24, 2023 by Hwan-seok 0

Open

Improve moveToTarget performance by reusing the diff vector

What could be improved

Add optional reusable diff argument which is Vector2 to the Vector2.moveToTarget.

https://github.com/flame-engine/flame/blob/295cd72422ee068635057fe9e6684edd5021a9e4/packages/flame/lib/src/extensions/vector2.dart#L126-L139

Why should this be improved

At present, if there is a continuous call of the moveToTarget() inside for example update(), it could impact the performance since it has a clone(). Adding a reusable vector can prevent creating a new Vector2 object in every tick.

Any risks?

More information

Are you interested in working on a PR for this? Yes

enhancement

opened Mar 24, 2023 by Hwan-seok 0

Open

Setting `visibleGameSize` for `CameraComponent.withFixedResolution` raises `Assertion failed` exception

Current bug behavior

The game can't run because of this exception:

Expected behavior

It used to work fine on Flame 1.6.0. If it's a breaking change, it should be documented somewhere to know how to set visibleGameSize correctly.

Steps to reproduce

Minimal code to reproduce: https://zapp.run/edit/flame-zweq06qwwer0

Flutter doctor output

Output of: flutter doctor -v

More environment information

Flame version: main
Platform affected: desktop

Log information

Enter log information in this code block

More information

bug

opened Mar 23, 2023 by trunghq3101 1

Open

`Component.removeWhere` throwing Concurrent modification during iteration Exception

Current bug behavior

In the onLoad of a component that has just been pushed to the router, I call the removeWhere() function on an unmounted component. It throws this exception:

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Concurrent modification during iteration: _Set len:1.

Expected behavior

It worked fine on flame: 1.6.0

Steps to reproduce

Flutter doctor output

Output of: flutter doctor -v

More environment information

Flame version: main
Platform affected: desktop

Log information

#2      Component.removeWhere
component.dart:617
#3      Level1OpeningScene.call.hidePlaygroundAndRunButon
level_1_opening_scene.dart:44
#4      Level1OpeningScene.call
level_1_opening_scene.dart:48
#5      Level1.onLoad
level_1.dart:67
#6      Component._startLoading
component.dart:824
#7      Component._addChild
component.dart:591
#8      Component.addToParent
component.dart:562
#9      Route.didPush
route.dart:137
#10     RouterComponent.pushNamed
router_component.dart:106
#11     new HomePage.<anonymous closure>
home_page.dart:10
#12     ButtonComponent.onTapDown
button_component.dart:6

More information

bug

opened Mar 23, 2023 by trunghq3101 1

Open

`SpriteComponent` doesn't auto-resize

Current bug behavior

If sprite of a SpriteComponent is set or updated after construction of the component, the size of the component does not update.

Expected behavior

Ideally the size of SpriteComponent should be automatically updated by default. Additionally a an option can be provided to turn this resizing off by setting a flag in SpriteComponent.

Steps to reproduce

Setting up a sprite component like this will make it render with zero size:

final spriteComponent = SpriteComponent();
spriteComponent.sprite = await Sprite.load('arrow_up.png');
add(spriteComponent);

Flutter doctor output

More environment information

Flame version: 1.6.0 Platform affected: All

Log information

Enter log information in this code block

More information

I can work on this.

bug

opened Mar 20, 2023 by ufrshubham 1

v1.6.0(Jan 14, 2023)

`flame` - `v1.6.0`

PERF: Avoid Vector2 creation in Sprite.render (#2261). (736733d9)
FIX: Only use initialized game for tests and remove setMount from onGameResize (#2246). (2a0f1d4b)
FIX: Re-use paint object in ImageParticle (#2210). (7a945d96)
FIX: Depend on test: any for flame_test (#2207). (acfd418d)
FEAT: Add a canSee method to the CameraComponent (#2270). (2347c8f5)
FEAT: Add moveBy to CameraComponent (#2269). (51e54ebe)
FEAT: Added computed property CameraComponent.visibleWorldRect (#2267). (f4b0e73f)
DOCS: Update example to not create Rect objects (#2254). (a306338b)
DOCS: Teh -> the (#2225). (ff7f36d0)
BREAKING REFACTOR: The method onLoad() now returns FutureOr<void> (#2228). (d898b539)
BREAKING FEAT: Adds new route methods pushReplacement, pushReplacementNamed, and pushReplacementOverlay (#2249). (a2772b4e)

Source code(tar.gz)
Source code(zip)

v1.5.0(Nov 30, 2022)

v1.5.0

REFACTOR: OpacityEffect now uses opacity instead of alpha internally (#2064). (b3b67301)
REFACTOR: Game render box cleanup (#1691). (60a5830d)
FIX: Event mixins missing @mustCallSuper (#2036). (c26d5da3)
FIX: SpeedController advance() should execute after its effect's onStart() (#2173). (7a1e2e8b)
FIX: Refresh vertices on size change of RectangleComponent (#2167). (4020d68b)
FIX: Fix coordinate system calculation in FixedAspectRationViewport (#2175). (c9c9881c)
FIX: SpriteButtonComponent missing @mustCallSuper added (#2001). (45a9d79b)
FIX: Focus handling with a scope on the GameWidget (#1725). (d1cd8517)
FIX: RemoveEffect should work within SequenceEffect (#2110). (03e1f33d)
FIX: #1966 unit test for Particles (#2097). (59bd7ebb)
FIX: OpacityEffect custom paint override (#2056). (fe9d4d9b)
FIX: #1998 (#2013). (f63711dc)
FIX: solid circles and polygons intersection (#2067). (62c5c2e1)
FIX: #2017 (#2039). (7f546b0f)
FIX: Exception when having multiple calls to dispose() function of a Svg instance (#2085). (a287904e)
FIX: Add missing hitbox parameters (#2070). (8aacb555)
FIX: Change Vector2.zero() to Vector2(0, -1) in Vector2Extensions.fromRadians() (#2016). (801c683c)
FEAT: Add children to World constructor (#2093). (3af416dc)
FEAT: Add paint layers to HasPaint and associated component renders (#2073). (9e6bf4fb)
FEAT: Add SizeProvider to clip_component and custom_paint_component. (#2100). (bb710646)
FEAT: Added HasGameReference mixin (#1828). (12ce270b)
FEAT: Added toString method to all the drags events message handlers (#2014). (a34f1df7)
FEAT: Add maintainState property to Route (#2161). (576ceaac)
FEAT: add onCancelled to ButtonComponent and HudButtonComponent (#2193). (e7f08906)
FEAT: onComponentTypeCheck support for ShapeHitbox (#1981). (f840210b)
FEAT: Added glow effect using maskFilter (#2129). (bcecd3c1)
FEAT: Add support for styles propagating through the text node tree (#1915). (b5780d42)
FEAT: Added SpriteFont class (#1992). (a0d7eada)
FEAT: Added CameraComponent.withFixedResolution() constructor (#2176). (e289f118)
FEAT: Add optional maxDistance to raycast (#2012). (6b78b10f)
FEAT: clampLength for Vector2 extension (#2190). (51a896b2)
FEAT: Adding onChildrenChanged (#1976). (3d043b86)
FEAT: Adding ComponentNotifier API (#1889). (bd7f51f5)
FEAT: removed future + isRemoved field for Component (#2080). (9f322785)
BREAKING FIX: Correct coordinate system for a circular viewport (#2174). (93dc4325)
BREAKING FIX: PolygonComponent no longer modifies _vertices (#2061). (8cd4793a)
BREAKING FEAT: Add OpacityProvider (#2062). (0255cc32)

Source code(tar.gz)
Source code(zip)

v1.4.0(Oct 2, 2022)

1.4.0

Note: This release has breaking changes.

REFACTOR: move broadphase-related functionality into separate subdir (#1943). (f23acd41)
REFACTOR: used simpler and more implicit widgets in GameWidget (#1862). (44d17c64)
PERF: SpriteAnimationWidget will re-render only when needed (#1876). (bb678301)
FIX: Hitbox children of a CompositeHitbox to return correct parent (#1922). (d518705e)
FIX: OpacityEffect rounding error calculation (#1933). (4cfcfa64)
FIX: Expose hitboxParent from Hitbox (#1928). (3ba93351)
FIX: Raycast from CircleHitbox's center (#1918). (57ca47c8)
FEAT: quad tree broadphase support (#1894). (e33d5410)
FEAT: Make _ButtonState public for SpriteButtonComponent (#1941). (e80412c5)
FEAT: Add possibility for solid hitboxes (#1919). (205ac561)
FEAT: Adding callbacks for EffectController (#1926) (#1931). (8dcdf155)
FEAT: Added DebugTextFormatter (#1921). (426827d1)
FEAT: Add lookAt method for PositionComponent (#1891). (720c3566)
FEAT: add applyLifespanToChildren to Particle generate (#1911). (884d5190)
FEAT: Add broadphase generics to CollisionDetection (#1908). (f7714122)
FEAT: Adding ClipComponent (#1769). (f34d86db)
FEAT: Add support for isometric staggered maps (#1895). (96be8408)
FEAT: Experimental integer viewport (#1866). (63822de3)
FEAT: RecycledQueue now supports modification during iteration (#1884). (01b59493)
FEAT: Allow children of ComposedParticle to have varied lifespan (#1879). (6db519ec)
FEAT: Add removeWhere to Component (#1878). (abd28f28)
FEAT: Added RecycledQueue class (#1864). (9457e38e)
FEAT: Possibility to ignore hitboxes for ray casting (#1863). (b22bc643)
DOCS: Added Style Guide and Test Writing Guide (#1897). (999caca1)
BREAKING FIX: Make all ComponentSet modifications internal (#1877). (f26a066d) Migration instructions: For most methods Component has the corresponding methods directly on it already. For example, instead of using component.children.addAll you should do component.addAll.
BREAKING CHORE: Remove functions/classes that were scheduled for removal in v1.3.0 (#1867). (00ab347c) For each deleted function/method/class, the deprecation comment already specifies what functionality should be used instead.

Source code(tar.gz)
Source code(zip)

1.3.0(Aug 28, 2022)

`flame` - `v1.3.0`

REFACTOR: Use new "super"-constructors in ShapeComponents (#1752). (b69e8d85)
REFACTOR: Game is now a class, not a mixin (#1751). (5225a4eb)
PERF: Use TextElements within the TextComponent (#1802). (7b044430)
PERF: Avoid unnecessary copy in AssetsCache.readBinaryFile (#1749). (7e79638d)
FIX: ButtonComponent behavior when the engine is paused (#1726). (197e63d6)
FIX: Correct flutter constraint (#1731). (c7383843)
FIX: World component can now be queried with componentsAtPoint (#1739). (f750d705)
FIX: Merge basic and advanced gesture detectors (#1718). (f08f8e12)
FIX: Correct key events in GameWidget.controller (#1745). (01ed2ec9)
FIX: Camera incorrect follow with zoom and world boundaries. (c1756177)
FIX: Add missing paint arguments on shapes (#1727). (e59f3428)
FIX: Delay camera update (#1811). (a5598a8f)
FIX: Overlays can now be properly added during onLoad (#1759). (9f35b154)
FIX: SpriteAnimationWidget can now be update animation safely (#1738). (eb070195)
FIX: JoystickComponent drags using the delta Viewport (#1831). (54e40de6)
FIX: Specify size for the SpriteWidget (#1760). (82f75fcb)
FEAT: New colours to pallete.dart (#1783). (85cd60e1)
FEAT: add children argument to SpriteComponent.fromImage (#1793). (80a63362)
FEAT: Added Decorator class and HasDecorator mixin (#1781). (8d00847c)
FEAT: Added TextFormatter classes (#1720). (c44272be)
FEAT: Move to Flutter 3.0.0 and Dart 2.17.0 (#1713). (2a41d0d6)
FEAT: Added Rotate3DDecorator (#1805). (f05194c8)
FEAT: Added Shadow3DDecorator (#1812). (0a41b2da)
FEAT: Add tertiary tap detector mixin (#1815). (e9e7b0d5)
FEAT: Add Ray2 class to be used in raytracing/casting (#1788). (26196c01)
FEAT: Added RouterComponent (#1755). (24092bd7)
FEAT: Structured text and text styles (#1830). (bfdc3a29)
FEAT: Drag events that dispatch using componentsAtPoint (#1715). (10669c12)
FEAT: Added routes that can return a value (#1848). (f1b276e0)
FEAT: PositionComponent now has a built-in Decorator (#1846). (8dd52c33)
FEAT: add HasAncestor mixin (#1711). (987a44f4)
FEAT: Added ability to control overlays via the RouterComponent (#1840). (e2de70c9)
FEAT: Add vector projection and inversion (#1787). (d197870f)
DOCS: Klondike tutorial, part 4 (#1740). (02d0b71b)
BREAKING REFACTOR: Matcher closeToVector() now accepts Vector2 as an argument (#1761). (c5083501)
BREAKING PERF: Game.images/assets are now same as Flame.images/assets by default (#1775). (0ccb0e2e)
BREAKING FEAT: Raycasting and raytracing (#1785). (ed452dd1)

Source code(tar.gz)
Source code(zip)

v1.2.1(Jul 9, 2022)

REFACTOR: Organize Component class (#1608). (069294f4)
REFACTOR: Remove unecessary copy operation on Camera (#1708). (94cc115a)
REFACTOR: Update and guarantee consistency on mocktail dev dependency version across repo (#1701). (f4a98878)
REFACTOR: Add onComplete as optional parameter (#1686). (4ca65f8a)
REFACTOR: Added MultiDragListener - common API between HasDraggables and MultiTouchDragDetector (#1668). (801dbba1)
REFACTOR: Simplify Component.firstChild, .lastChild, and .findParent (#1673). (84f2f57e)
REFACTOR: Replace some usages of fold<> with .sum (#1670). (dd05ecb6)
REFACTOR: Deprecate ComponentSet.createDefault() (#1676). (f37e3a20)
REFACTOR: Simplify HudButtonComponent (#1647). (30d84b7c)
REFACTOR: Component's lifecycle futures moved into LifecycleManager (#1613). (39201c40)
REFACTOR: TextRenderer and TextPaint moved to separate files (#1628). (5e1f5966)
REFACTOR: Move to package imports (#1625). (843ddc36)
REFACTOR: Improve tests (#1609). (f33b3986)
FIX: Fix tile flips when using canvas.drawAtlas (#1610). (b4ad498f)
FIX: Expose CompositeHitbox (#1589). (78775798)
FIX: Anchor equality operator is now more reliable (#1560). (0d6581ef)
FIX: Deprecate Anchor.translate() (#1672). (80c648fc)
FIX: Avoid leaks when using PictureRecorders (#1643). (d67065e5)
FIX: Remove nonVirtual method shouldRemove (#1707). (1efd067e)
FIX: Fix flame package example app (#1709). (bd2ef967)
FIX: Subscription for events when game changes in GameWidget (#1659). (04f0d5d1)
FIX: performance improvements on SpriteBatch APIs (#1637). (4b19a1b2)
FIX: Removed warnings using flutter v3 (#1640). (69214827)
FIX: ParallaxComponent.update mustCallSuper (#1635). (9474ce74)
FIX: Isometric tile map component uses scale when getting block from position (#1569). (0c430786)
FIX: Dispose TextBoxComponent image cache properly (#1579). (c0e3257a)
FIX: ParentIsA missing mustCallSuper (#1604). (72129019)
FIX: Component can now be removed in any lifecycle stage (#1601). (c0a14156)
FIX: Export NotifyingVector2 (#1633). (aeaf9999)
FIX: RectangleHitbox should shrink to bounds (#1596). (60df3b9f)
FIX: Components in uninitialized state can now be safely removed (#1551). (ba617790)
FIX: Bug in "tty" TextBoxComponent (#1619). (6cc3e827)
FIX: Component.loaded future sometimes failed to complete (#1593). (89ee9b98)
FIX: correctly calculating frame length (#1578). (efda45e7)
FIX: Optimize AcceleratedParticle and MovingParticle (#1568). (5591c109)
FEAT: Method componentsAtPoint now reports the "stacktrace" of points (#1615). (e2398966)
FEAT: Allow changing parent from null parent (#1662). (53268b5f)
FEAT: Callbacks in HudButtonComponent constructor and ViewportMargin mixin to avoid code duplication (#1685). (f55b2e0d)
FEAT: Add more lint rules (#1703). (49252f8e)
FEAT: Keep stacktrace when rethrowing an error from GameWidget (#1675). (dd28183b)
FEAT: Aligned text in the TextBoxComponent (#1620). (c64aedae)
FEAT: Included completed completer in SpriteAnimation (#1564). (71999b19)
FEAT: Optional key for Images.load (#1624). (067c34b5)
FEAT: Bump to Flutter 2.10.0 (#1617). (beac9013)
FEAT: Add isFirstFrame and onStart event to SpriteAnimation (#1492). (701d0706)
FEAT: Add FpsComponent and FpsTextComponent (#1595). (4c68c2b0)
FEAT: Added FollowBehavior and ability for the new Camera to follow a component (#1561). (b583388c)
FEAT: Added componentsAtPoint() iterable (#1518). (b99e3512)
FEAT: Added AnchorToEffect and AnchorByEffect (#1556). (eff72794)
FEAT: Added utility function solveCubic() (#1696). (31784ca0)
FEAT: add FutureOr support on SpriteButton (#1645). (2e82dc95)
FEAT: MoveAlongPathEffect can now be applied to any PositionProvider (#1555). (a0ff2d18)
FEAT: adding KeyboardListenerComponent (#1594). (c887c361)
FEAT: new flame bloc API (#1538). (f98970a9)
FEAT: Added the onLongTapDown event (#1587). (ed302d89)
FEAT: Add ability to add/remove multiple overlays at once (#1657). (0ac84c00)
FEAT: Helpers for whether a PositionComponent is flipped. (#1700). (cf67147e)
FEAT: World bounds for a CameraComponent (#1605). (abb497ab)
FEAT: Implement tap events based on componentsAtPoint (#1661). (2711ba60)
FEAT: add ParentIsA to force parent child relations (#1566). (2cdf3868)
FEAT: Adding classes for raw geometric shapes (#1528). (666a2b19)
FEAT: Add solveQuadratic() utility function (#1665). (d8bbfc06)
FEAT: allow external packages to await for game to be loaded (#1699). (a15eda0b)
FEAT: Children as argument to FlameGame (#1680). (db336c03)
FEAT: Add range constructor on SpriteAnimationData (#1572). (e42b4958)
FEAT: Add helper function for creating golden tests (#1623). (d0faaada)
FEAT: Added ability to render spritesheet-based fonts (#1634). (3f287898)
BREAKING FIX: FixedResolutionViewport noClip -> clip (#1612). (02be4acd)
BREAKING FIX: Game.mouseCursor and Game.overlays can now be safely set during onLoad (#1498). (821d01c3)
BREAKING FEAT: Added anchor for the Viewport (#1611). (c3bb14b7)
BREAKING FEAT: remove onTimingsCallback for Flutter 3.0 (#1626). (0761a79d)
BREAKING FEAT: Add ability to render without loading on image related widgets (#1674). (40a061bc)
BREAKING FEAT: Adding GameWidget.controlled (#1650). (7ef6a51e)
BREAKING FEAT: Size effects will now work only on components implementing SizeProvider (#1571). (1bfed571)

Source code(tar.gz)
Source code(zip)

v1.2.0(Jun 7, 2022)

v1.2.0

Note: This release has breaking changes.

REFACTOR: Organize Component class (https://github.com/flame-engine/flame/issues/1608). ([069294f4](https://github.com/flame-engine/flame/commit/069294f44082a5d4ae6e9eff1d29be9cb06ee4a7))

REFACTOR: Remove unecessary copy operation on Camera (https://github.com/flame-engine/flame/issues/1708). ([94cc115a](https://github.com/flame-engine/flame/commit/94cc115a9ee6660d1f3a72378e8b35523b83bfad))

REFACTOR: Update and guarantee consistency on mocktail dev dependency version across repo (https://github.com/flame-engine/flame/issues/1701). ([f4a98878](https://github.com/flame-engine/flame/commit/f4a98878062dbd4fe8238a8b014e6be3e528c5d8))

REFACTOR: Add onComplete as optional parameter (https://github.com/flame-engine/flame/issues/1686). ([4ca65f8a](https://github.com/flame-engine/flame/commit/4ca65f8a2c330d61527e071434441f2df9deefb4))

REFACTOR: Added MultiDragListener - common API between HasDraggables and MultiTouchDragDetector (https://github.com/flame-engine/flame/issues/1668). ([801dbba1](https://github.com/flame-engine/flame/commit/801dbba1d8b6fd721d4e2fc752c70f97d4771198))

REFACTOR: Simplify Component.firstChild, .lastChild, and .findParent (https://github.com/flame-engine/flame/issues/1673). ([84f2f57e](https://github.com/flame-engine/flame/commit/84f2f57e5fddb82572177b2bcd0f8309a891ea4e))

REFACTOR: Replace some usages of fold<> with .sum (https://github.com/flame-engine/flame/issues/1670). ([dd05ecb6](https://github.com/flame-engine/flame/commit/dd05ecb6b8b105b4d1fc894dc6ce7ca3f8cf793e))

REFACTOR: Deprecate ComponentSet.createDefault() (https://github.com/flame-engine/flame/issues/1676). ([f37e3a20](https://github.com/flame-engine/flame/commit/f37e3a2028e16143d8bb3218691904c38fb848a4))

REFACTOR: Simplify HudButtonComponent (https://github.com/flame-engine/flame/issues/1647). ([30d84b7c](https://github.com/flame-engine/flame/commit/30d84b7caea128c7dc579dce170129e462bc03bf))

REFACTOR: Component's lifecycle futures moved into LifecycleManager (https://github.com/flame-engine/flame/issues/1613). ([39201c40](https://github.com/flame-engine/flame/commit/39201c40fa3eea5dbdbaa823309cdf8856f912a6))

REFACTOR: TextRenderer and TextPaint moved to separate files (https://github.com/flame-engine/flame/issues/1628). ([5e1f5966](https://github.com/flame-engine/flame/commit/5e1f59663bf7e09a02475979d1eded54dbaaefd7))

REFACTOR: Move to package imports (https://github.com/flame-engine/flame/issues/1625). ([843ddc36](https://github.com/flame-engine/flame/commit/843ddc36249272fcb518b44672e1012307dfa1b5))

REFACTOR: Improve tests (https://github.com/flame-engine/flame/issues/1609). ([f33b3986](https://github.com/flame-engine/flame/commit/f33b3986cd913416ae3955c922d6cc8b0db872e3))

FIX: Fix tile flips when using canvas.drawAtlas (https://github.com/flame-engine/flame/issues/1610). ([b4ad498f](https://github.com/flame-engine/flame/commit/b4ad498fe5488795deb2c2e098fcde357b448bf0))

FIX: Expose CompositeHitbox (https://github.com/flame-engine/flame/issues/1589). ([78775798](https://github.com/flame-engine/flame/commit/7877579868041f4844ebae885da559097b7aa8a5))

FIX: Anchor equality operator is now more reliable (https://github.com/flame-engine/flame/issues/1560). ([0d6581ef](https://github.com/flame-engine/flame/commit/0d6581ef1aaff4437b2a84f9e57d7d0e1d093d1f))

FIX: Deprecate Anchor.translate() (https://github.com/flame-engine/flame/issues/1672). ([80c648fc](https://github.com/flame-engine/flame/commit/80c648fc94dc00e37f2c0876fec39b2628b3128a))

FIX: Avoid leaks when using PictureRecorders (https://github.com/flame-engine/flame/issues/1643). ([d67065e5](https://github.com/flame-engine/flame/commit/d67065e52db453b0f4f190a7aec1bec6bc389e45))

FIX: Remove nonVirtual method shouldRemove (https://github.com/flame-engine/flame/issues/1707). ([1efd067e](https://github.com/flame-engine/flame/commit/1efd067e31ad425941e5b83891c7289ba063ec90))

FIX: Fix flame package example app (https://github.com/flame-engine/flame/issues/1709). ([bd2ef967](https://github.com/flame-engine/flame/commit/bd2ef967e10eb0309e0a468652a657cae3d5e7d5))

FIX: Subscription for events when game changes in GameWidget (https://github.com/flame-engine/flame/issues/1659). ([04f0d5d1](https://github.com/flame-engine/flame/commit/04f0d5d172ca5065e58e8b9b5536cbce706147d4))

FIX: performance improvements on SpriteBatch APIs (https://github.com/flame-engine/flame/issues/1637). ([4b19a1b2](https://github.com/flame-engine/flame/commit/4b19a1b203c5cfca5bb412b91c795fe6a215506e))

FIX: Removed warnings using flutter v3 (https://github.com/flame-engine/flame/issues/1640). ([69214827](https://github.com/flame-engine/flame/commit/69214827a0edb563468951256eccecab408f89df))

FIX: ParallaxComponent.update mustCallSuper (https://github.com/flame-engine/flame/issues/1635). ([9474ce74](https://github.com/flame-engine/flame/commit/9474ce7425ffc18f6b1a1a35c35f59b76f435166))

FIX: Isometric tile map component uses scale when getting block from position (https://github.com/flame-engine/flame/issues/1569). ([0c430786](https://github.com/flame-engine/flame/commit/0c430786e2774174424a21a13464e93d04c69295))

FIX: Dispose TextBoxComponent image cache properly (https://github.com/flame-engine/flame/issues/1579). ([c0e3257a](https://github.com/flame-engine/flame/commit/c0e3257a0b348885275f2659c351bacbfa5a8732))

FIX: ParentIsA missing mustCallSuper (https://github.com/flame-engine/flame/issues/1604). ([72129019](https://github.com/flame-engine/flame/commit/721290198cc7062f8cfb958cb8499e64be7a1e9c))

FIX: Component can now be removed in any lifecycle stage (https://github.com/flame-engine/flame/issues/1601). ([c0a14156](https://github.com/flame-engine/flame/commit/c0a141563b9e832b1a81bf32d860d4dfb2b359ae))

FIX: Export NotifyingVector2 (https://github.com/flame-engine/flame/issues/1633). ([aeaf9999](https://github.com/flame-engine/flame/commit/aeaf9999b0b4f69e394063d3af8e18f67dff5ed9))

FIX: RectangleHitbox should shrink to bounds (https://github.com/flame-engine/flame/issues/1596). ([60df3b9f](https://github.com/flame-engine/flame/commit/60df3b9f60f538fbad7a3d806f5d38262ab6d66c))

FIX: Components in uninitialized state can now be safely removed (https://github.com/flame-engine/flame/issues/1551). ([ba617790](https://github.com/flame-engine/flame/commit/ba617790e4a7ca4dc03f4a2e29de43d42efd3482))

FIX: Bug in "tty" TextBoxComponent (https://github.com/flame-engine/flame/issues/1619). ([6cc3e827](https://github.com/flame-engine/flame/commit/6cc3e82727509f8877873b095c84eef3543fe01e))

FIX: Component.loaded future sometimes failed to complete (https://github.com/flame-engine/flame/issues/1593). ([89ee9b98](https://github.com/flame-engine/flame/commit/89ee9b984bfc3784dedde1ada1daa992a9f0dedc))

FIX: correctly calculating frame length (https://github.com/flame-engine/flame/issues/1578). ([efda45e7](https://github.com/flame-engine/flame/commit/efda45e76c38a2d38a4cd0bb66ece9792f5832df))

FIX: Optimize AcceleratedParticle and MovingParticle (https://github.com/flame-engine/flame/issues/1568). ([5591c109](https://github.com/flame-engine/flame/commit/5591c109437309907cdac72f0bb479a6a6bfa00a))

FEAT: Method componentsAtPoint now reports the "stacktrace" of points (https://github.com/flame-engine/flame/issues/1615). ([e2398966](https://github.com/flame-engine/flame/commit/e239896624f1e2736de83148ff172ca1b0f97dae))

FEAT: Allow changing parent from null parent (https://github.com/flame-engine/flame/issues/1662). ([53268b5f](https://github.com/flame-engine/flame/commit/53268b5f5fd81f3822bfda9721b97be4e72e48e3))

FEAT: Callbacks in HudButtonComponent constructor and ViewportMargin mixin to avoid code duplication (https://github.com/flame-engine/flame/issues/1685). ([f55b2e0d](https://github.com/flame-engine/flame/commit/f55b2e0dc01c98718e4871430c6745472c221821))

FEAT: Add more lint rules (https://github.com/flame-engine/flame/issues/1703). ([49252f8e](https://github.com/flame-engine/flame/commit/49252f8ef29aa6b77144dcb97c24346f2f39380b))

FEAT: Keep stacktrace when rethrowing an error from GameWidget (https://github.com/flame-engine/flame/issues/1675). ([dd28183b](https://github.com/flame-engine/flame/commit/dd28183bc4ebe2ea2f80d1dab3b5ab22d11b8382))

FEAT: Aligned text in the TextBoxComponent (https://github.com/flame-engine/flame/issues/1620). ([c64aedae](https://github.com/flame-engine/flame/commit/c64aedaeb3fed908722b8872b71e288ff87bc761))

FEAT: Included completed completer in SpriteAnimation (https://github.com/flame-engine/flame/issues/1564). ([71999b19](https://github.com/flame-engine/flame/commit/71999b191af0285e8d61583b041da58afd40d8d2))

FEAT: Optional key for Images.load (https://github.com/flame-engine/flame/issues/1624). ([067c34b5](https://github.com/flame-engine/flame/commit/067c34b5f29e1a9bd51861d872092ae5ee0a551f))

FEAT: Bump to Flutter 2.10.0 (https://github.com/flame-engine/flame/issues/1617). ([beac9013](https://github.com/flame-engine/flame/commit/beac901313456cf0b39b6f4e6459f0feed183614))

FEAT: Add isFirstFrame and onStart event to SpriteAnimation (https://github.com/flame-engine/flame/issues/1492). ([701d0706](https://github.com/flame-engine/flame/commit/701d0706af74e6437d71376d468b32bb2537e5b7))

FEAT: Add FpsComponent and FpsTextComponent (https://github.com/flame-engine/flame/issues/1595). ([4c68c2b0](https://github.com/flame-engine/flame/commit/4c68c2b0a2660e705b30099234da4ab1eb4616d0))

FEAT: Added FollowBehavior and ability for the new Camera to follow a component (https://github.com/flame-engine/flame/issues/1561). ([b583388c](https://github.com/flame-engine/flame/commit/b583388ca432f799ad13b92a3a7bf25ddf98ceb0))

FEAT: Added componentsAtPoint() iterable (https://github.com/flame-engine/flame/issues/1518). ([b99e3512](https://github.com/flame-engine/flame/commit/b99e35120dc4fe81ebfedc89a666286ec489384c))

FEAT: Added AnchorToEffect and AnchorByEffect (https://github.com/flame-engine/flame/issues/1556). ([eff72794](https://github.com/flame-engine/flame/commit/eff72794afed73bdb1df8e14b17d50f0f446e92b))

FEAT: Added utility function solveCubic() (https://github.com/flame-engine/flame/issues/1696). ([31784ca0](https://github.com/flame-engine/flame/commit/31784ca0b05082042003f847be2b4004da83edb6))

FEAT: add FutureOr support on SpriteButton (https://github.com/flame-engine/flame/issues/1645). ([2e82dc95](https://github.com/flame-engine/flame/commit/2e82dc95ecd6d7298239cadad5a746341c37fcd9))

FEAT: MoveAlongPathEffect can now be applied to any PositionProvider (https://github.com/flame-engine/flame/issues/1555). ([a0ff2d18](https://github.com/flame-engine/flame/commit/a0ff2d18a1efc54f648a277453fa9cf6414ce44c))

FEAT: adding KeyboardListenerComponent (https://github.com/flame-engine/flame/issues/1594). ([c887c361](https://github.com/flame-engine/flame/commit/c887c3616e9f65209b8e29cb8575a0052db3e2bb))

FEAT: new flame bloc API (https://github.com/flame-engine/flame/issues/1538). ([f98970a9](https://github.com/flame-engine/flame/commit/f98970a91f91fe70e4a38834d7b69bfcb438d197))

FEAT: Added the onLongTapDown event (https://github.com/flame-engine/flame/issues/1587). ([ed302d89](https://github.com/flame-engine/flame/commit/ed302d89160cd7391e3aaf66a0038cd8f57ceca9))

FEAT: Add ability to add/remove multiple overlays at once (https://github.com/flame-engine/flame/issues/1657). ([0ac84c00](https://github.com/flame-engine/flame/commit/0ac84c0024338cbe87fcff264b83e01192aa355b))

FEAT: Helpers for whether a PositionComponent is flipped. (https://github.com/flame-engine/flame/issues/1700). ([cf67147e](https://github.com/flame-engine/flame/commit/cf67147ea37aed8e5f1dd12def442dccbe4576fd))

FEAT: World bounds for a CameraComponent (https://github.com/flame-engine/flame/issues/1605). ([abb497ab](https://github.com/flame-engine/flame/commit/abb497abe47f6366d27f44d25535924bd7de8a28))

FEAT: Implement tap events based on componentsAtPoint (https://github.com/flame-engine/flame/issues/1661). ([2711ba60](https://github.com/flame-engine/flame/commit/2711ba60c2c700984d8a90d90519e17850038ab4))

FEAT: add ParentIsA to force parent child relations (https://github.com/flame-engine/flame/issues/1566). ([2cdf3868](https://github.com/flame-engine/flame/commit/2cdf3868460f04cee76079e3f81cdd12fb407d3a))

FEAT: Adding classes for raw geometric shapes (https://github.com/flame-engine/flame/issues/1528). ([666a2b19](https://github.com/flame-engine/flame/commit/666a2b199fc740d02628321bb19511ba98de1700))

FEAT: Add solveQuadratic() utility function (https://github.com/flame-engine/flame/issues/1665). ([d8bbfc06](https://github.com/flame-engine/flame/commit/d8bbfc067e3885cedd133de47a98134fc15c9c82))

FEAT: allow external packages to await for game to be loaded (https://github.com/flame-engine/flame/issues/1699). ([a15eda0b](https://github.com/flame-engine/flame/commit/a15eda0b67d6020bcb72162f0186e3c5069674bb))

FEAT: Children as argument to FlameGame (https://github.com/flame-engine/flame/issues/1680). ([db336c03](https://github.com/flame-engine/flame/commit/db336c03b607b878faf618cb1ab5833cd859d0e6))

FEAT: Add range constructor on SpriteAnimationData (https://github.com/flame-engine/flame/issues/1572). ([e42b4958](https://github.com/flame-engine/flame/commit/e42b495805efd2e969cfe412b069ffcc6e828ad6))

FEAT: Add helper function for creating golden tests (https://github.com/flame-engine/flame/issues/1623). ([d0faaada](https://github.com/flame-engine/flame/commit/d0faaada2bb971c2dde5a37dfa20d316c532ea28))

FEAT: Added ability to render spritesheet-based fonts (https://github.com/flame-engine/flame/issues/1634). ([3f287898](https://github.com/flame-engine/flame/commit/3f2878988195606b90d9e48b981444792af08ebe))

BREAKING FIX: FixedResolutionViewport noClip -> clip (https://github.com/flame-engine/flame/issues/1612). ([02be4acd](https://github.com/flame-engine/flame/commit/02be4acd8798254eeaf832863d4000e1c5240db1))

BREAKING FEAT: Adding GameWidget.controlled (https://github.com/flame-engine/flame/issues/1650). ([7ef6a51e](https://github.com/flame-engine/flame/commit/7ef6a51ec60a70807a126b6121a1fd4379b8e19b))

BREAKING FEAT: remove onTimingsCallback for Flutter 3.0 (https://github.com/flame-engine/flame/issues/1626). ([0761a79d](https://github.com/flame-engine/flame/commit/0761a79df6c88a5a6ba74ec78d4f600983657c06))

BREAKING FIX: Game.mouseCursor and Game.overlays can now be safely set during onLoad (https://github.com/flame-engine/flame/issues/1498). ([821d01c3](https://github.com/flame-engine/flame/commit/821d01c3fab3cdd9e80d6ead8d491ea2e8ec0643)) Migration instructions: The mouseCursor property is now a plain property with a setter, not a ChangeNotifier. Consequently, instead of writing game.mouseCursor.value = ..., one needs to write game.mouseCursor = ... now.

BREAKING FEAT: Added anchor for the Viewport (https://github.com/flame-engine/flame/issues/1611). ([c3bb14b7](https://github.com/flame-engine/flame/commit/c3bb14b7ca9513fc75f51b0a5cbc9d986db48dd6)) Migration instructions: The coordinate system of the Viewport now always has the origin in the top-left corner of its bounding box (previously it was in the center) -- similar to the local coordinate system of a PositionComponent.

BREAKING FEAT: Add ability to render without loading on image related widgets (https://github.com/flame-engine/flame/issues/1674). ([40a061bc](https://github.com/flame-engine/flame/commit/40a061bcf06b5bf028911964617c1d1e2599460a)) Migration instructions: It only breaks SpriteButton when you are using future as a sprite or pressedSprite parameter. You should use SpriteButton.future if previously you are using future as a parameter.

BREAKING FEAT: Size effects will now work only on components implementing SizeProvider (https://github.com/flame-engine/flame/issues/1571). ([1bfed571](https://github.com/flame-engine/flame/commit/1bfed57132330fb948962261735a0545eb37e7b9)) Migration instructions: It only breaks SpriteButton when you are using future as a sprite or pressedSprite parameter. You should use SpriteButton.future if previously you are using future as a parameter.

Source code(tar.gz)
Source code(zip)

Game AI Game Engine

A Widget-based Game Engine For Flutter

In this repo I have build an awesome Flutter food delivery app ui. This Flutter UI challenge is taken from the dribbble. The main beauty about this UI is their hero animation while moving towards the food detail page. This Flutter Food delivery app UI tutorial is beneficial for those who want to learn the advanced concept for building the flutter ui. Apart from these I have used the latest version of flutter i.e Flutter 2.0 to building this app.

Godot Engine – Multi-platform 2D and 3D game engine

🏵 An ultra-minimalist game engine

In short, Forge Networking is a free and open source multiplayer game (multi-user) networking system that has a very good integration with the Unity game engine. You wanna make a multiplayer game or real time multi-user application? This is the library for you.

Cocos Creator is a complete package of game development tools and workflow, including a game engine, resource management, scene editing, game preview, debug and publish one project to multiple platforms.

KorGE Game Engine. Multiplatform Kotlin Game Engine

Famous Engine a free and open source JavaScript rendering engine.

Minimalist database less blog engine

Minimalist Go package aimed at creating Console User Interfaces.

The personal, minimalist, super-fast, database free, bookmarking service - community repo

Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API

A lightweight game engine written in modern C++

Egret is a brand new open mobile game and application engine which allows you to quickly build mobile games and apps on Android,iOS and Windows.

3D Game Engine - yet another open source game engine

G3N Game Engine Demo

Two Tribes' 2D-focused game engine, used to make RIVE and Toki Tori 2+

Flutter on Windows, MacOS and Linux - based on Flutter Embedding, Go and GLFW.

Useful Flutter and Dart Tips.

flutter-rs — Build flutter desktop app in dart & rust.

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v1.6.0(Jan 14, 2023)

flame - v1.6.0

v1.5.0(Nov 30, 2022)

v1.5.0

v1.4.0(Oct 2, 2022)

1.4.0

1.3.0(Aug 28, 2022)

flame - v1.3.0

v1.2.1(Jul 9, 2022)

v1.2.0(Jun 7, 2022)

v1.2.0

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`flame` - `v1.6.0`

`flame` - `v1.3.0`