Brandon DeRosier

Been building a theme park app with a tiny lantern spirit living in the header. He eats the notifications. If you pet him long enough he falls asleep. :D https://fscene.dev

You build your design system once and it runs exactly the same on every platform, so you can be as bold and weird with it as you want.

Flutter Scene is a complete 3D game engine for Flutter. It's powered by Impeller and Flutter GPU, and it runs on mobile, desktop, and web using nothing but Flutter's built-in SDK features. It's built to help you make any interaction you can imagine for your app real.

Been building a theme park app with a tiny lantern spirit living in the header. He eats the notifications. If you pet him long enough he falls asleep. :D https://fscene.dev

IMO this is what Flutter is particularly good at. You can control literally everything about how your widgets render and behave. Material and Cupertino are there if you want them, but nothing forces you into a boring native look.

Gemini 4 Argon + Flutter is cracked. Antigravity built this car infotainment screen and driver cluster with Flutter Scene in a day. It's all one Flutter app. :) https://fscene.dev

No subscriptions, no paid seats, no royalties. Free and open source, forever. Flutter can just do it all.

The car model is CarConcept from the Khronos glTF Sample Assets (Eric Chadwick, DGG), CC BY 4.0. Map data (c) OpenStreetMap contributors.

Gemini 4 Argon + Flutter is cracked. Antigravity built this car infotainment screen and driver cluster with Flutter Scene in a day. It's all one Flutter app. :) https://fscene.dev

The map uses real OpenStreetMap buildings in downtown Boston and a live route from OSRM. The x-ray chassis uses a custom material, and the brake discs glow as the car brakes. The parking screen is a mockup of a 360 surround camera view.

The car is a glTF model with working doors, hood, hatch, headlights, and paint options. The app is 14,000 lines of Dart, with a center screen, a driver cluster, and a panoramic view of both.

Gemini 4 Argon + Flutter is cracked. Antigravity built this car infotainment screen and driver cluster with Flutter Scene in a day. It's all one Flutter app. :) https://fscene.dev

No embedded engine, no native map SDK, no platform views, just vanilla Flutter with Impeller and built-in SDK features: Flutter GPU. 3D rendered by Flutter Scene, a complete 3D game engine for Flutter.

A clip from when I was working on culling and transmissive material performance. Just dragging the sun around the Amazon Lumberyard Bistro scene in Flutter Scene. :D

Bistro is full of glass. Transmissive materials are expensive since they sample the scene behind them, so Bistro tests often swap the windows for something opaque or invisible. Here they render as actual transmissive glass. fscene.dev

Flutter is a 3D engine now. 99 seconds from my Flutter & Friends talk. Everything in the cut is rendered by Flutter on the stable channel. The engine is Flutter Scene, a complete 3D game engine for Flutter. https://fscene.dev

It runs on macOS, Linux, Windows, iOS, Android, web, and custom embedders. It scales down to a single model in a widget and up to full games, and dozens of contributors landed work in it this year. A scene is a widget, and hot reload works on it. Change a light in Dart, it updates in place.

The full talk covers materials, lighting, the editor, and agent skills, with timestamps. https://fscene.dev/videos

No platform views, no native textures piped in from another engine, no custom fork. It runs on Impeller and Flutter GPU. Graphics, physics, audio, networking, an editor, and tools for AI coding agents, in one open source project.

Godot's Third Person Shooter demo, ported to Flutter Scene as a fun stress test. Running on Flutter GPU and Impeller, Flutter's built-in graphics stack.

617 MiB of cooked content. 1,795,763 unique vertices, 659,079 unique triangles, 320 collision meshes, 23 punctual lights. All converted to Scene's own scene description format for AOT baking.

The lighting isn't as moody as the original yet, with way too much light spilling in from the environment map... but a pretty decent port! Credit to the Godot project for a great demo to throw at a young engine. fscene.dev

gamefromscratch.comFlutter Scene - Flutter 3D Game Engine – GameFromScratch.comFlutter Scene is an exciting new 3D game engine for Flutter from the developer of Flutter GPU. It is free and open source (MIT licensed) and can create games and 3D applications on all platforms Flutt...

Was a fun surprise finding this in my yt feed today. :)

GameFromScratch@gamefromscratch.bsky.social

An exciting new free & open source 3D game engine for Flutter has appeared! Check out Flutter Scene, it's a shockingly robust and feature complete engine... and unlike Flourite, you can download it today! gamefromscratch.com/flutter-scen... #gamedev #indiedev #Flutter

Build something real with Flutter 3.47. Scene is powered by Flutter's own graphics stack, Flutter GPU and Impeller. No forks, no platform views, no secondary rendering context. macOS, Linux, Windows, iOS, Android, web, and custom embedders.

Clearcoat, refraction, volume, rough transmission, chromatic dispersion, iridescence, sheen, anisotropy, specular, and much more. Every ratified glTF material extension.

Author the materials in Blender, export the glTF, and Scene renders it. Load it at runtime, or bake it ahead of time for faster loading. fscene.dev

A little cinematic I made with Flutter Scene, based on Alix Ollivier's Amano Nature Aquarium. :) Rendered in real time and recorded live at 60 fps on my MacBook. The control panel on the cabinet is a Flutter widget running inside the 3D scene.

I had an agent port the original web demo, then built the rest on top. The camera moves, the controller, the flake food, the dust, day to night lighting, and a surface that mirrors the tank from under water.

141,000 instances in 42 draw calls, caustics from 217,818 rays through the waves. It pushed lighting hooks for custom materials, planar mirrors, and debug view wipes into the engine, all landing in Flutter Scene 0.24. https://fscene.dev

This is rendered by Flutter 3.47 stable, using Flutter GPU through Flutter Scene. No forks, no platform views, no external renderers, no secondary graphics context. It's vanilla Flutter. :)

The effect is three passes over one glTF model. A wireframe, then flying glass shards, then the finished PBR surface behind a glowing seam. Each pass is a custom material over geometry derived from the mesh at load time, so it works on any model.

It's the materialize example in the repo. fscene.dev

Dice rolling across a Flutter widget tree. The cards, the button, and the score are plain widgets, and the dice cast shadows on them. :) Built with Flutter Scene, a complete 3D game engine for Flutter. https://fscene.dev

No image assets anywhere. The stripes, the cards, the pips, and the wood and marble textures are painted or baked at startup. Recorded in debug mode.

The shadow catcher material ships in flutter_scene 0.23 on pub.dev today. This version of the example, with the count-up, the glass, and the breaking cards, lands with the next release. Source at https://github.com/bdero/flutter_scene

The dice are Rapier physics bodies drawn by the engine in a transparent layer on top. An invisible shadow catcher material stands in for the screen, so the only thing the 3D layer draws is the dice and the shadows they leave on the UI.

Land a die hard enough on a card and it cracks. The shards are the card's own pixels, captured and thrown as physics bodies, and they cast shadows on the widgets like everything else.

I loved the aesthetic of Sakura Crossing, a cel-shaded explorable Japanese town from GMI Cloud, and kept thinking about it... so I had an agent port it to Flutter Scene for fun. :) All runtime procedural generation. Just vanilla Flutter, AOT-compiled Dart, no external renderers.

Rendering at 4K 120 Hz on my Mac (the capture tops out at 60 fps). Runs natively on macOS, Windows, Linux, iOS, Android, and web. The port is open source. github.com/bdero/sakura-crossing

Profiling it surfaced some neat engine optimizations. Retained instance buffers, better batch culling, and tighter shadow cascades, which have since shipped in Flutter Scene itself! fscene.dev

22 Sept

This campfire is 100% procedurally generated at runtime with Flutter Scene. No model files, no image assets. Recorded in debug mode. A full 3D engine built entirely on Flutter's built-in graphics API, Flutter GPU. No forks, no native renderer integrations.

22 Sept

The fire is an interpolated flipbook baked at startup from domain-warped fbm noise, run through a blackbody color ramp. The logs, stones, grass, and trees are generated meshes. The same noise drives the light flicker, the embers, and the fireflies.

22 Sept

It's the Particles example in the repo, and it runs on macOS, Windows, Linux, iOS, Android, web, and custom embedders. fscene.dev

17 Sept

Here's the final high score table from the Dashsurfers demo at flutterCon. I was SHOCKED to see people destroying my high score. Thanks for playing. :)

17 Sept

The gamepad name entry was a bit hard to use, so there are a lot of "A" names in there, plus many hundreds of runs people chose to discard. I should have added a run counter!

@marcobavagnoli.bsky.social

17 Sept

It ran for most of the conference with strangers hammering on it back to back and nobody restarting it between sessions. No memory leaks. Zero crashes. fscene.dev

Brandon DeRosier reposted

Marco Bavagnoli

16 Sept

flutter_gpu + flutter_scene + flutter_soloud + flutter_recorder = shader_fun Run & experiment with Shadertoy GLSL shaders, shaders on Widgets, multi-pass buffers & audio/mic visualizers in #Flutter! @bdero.bsky.social marcobavagnoli.com/shader_fun/ pub.dev/packages/sha... 👇👇👇👇

This endless runner was playable at flutterCon, and it's a vanilla Flutter app. :) Dashsurfers (...name subject to change) is a little 3D game built with Flutter Scene, running in real time at 120 fps on macOS. The rendering, the particles, the UI, all Flutter.

It started as a stress test for the engine and turned into a playable showcase. Dynamic obstacles, coin pickups, shadowed outdoor lighting, a full gameplay loop, and Dash ragdolling. The capture tops out at 60 fps, the game runs at 120. fscene.dev

Antigravity built a samurai cat slicing game with Flutter Scene :) Catana Dojo came out of my Bootstrap Forge agent harness, where every piece of the game has to pass its own test or image check before it lands.

Concept art from Gemini 3.1 Flash Image, rigged 3D characters from Meshy, audio from ElevenLabs (including the cat meow when you get hit). The dojo is all engine primitives, built in code.