expo-2d-game-engine

React Native 2D game engine built on Skia* and Expo:

• react-native
• expo
• react-native-skia: for graphics
• react-native-reanimated: for animations
• react-native-gesture-handler: for gesture input
• expo-av: for sound

*There is an old branch old-expo-2d-context that uses expo-2d-context/expo-gl instead of Skia.

Features

• Graphics: SVG (inline and file-based) and bitmaps.
• Sound: useSound hook to play MP3’s.
• Math for collisions and vectors.
• Declarative, component-based programming paradigm with functional components.

How to use

Clone this repository:

git clone https://github.com/tomsoderlund/expo-2d-game-engine.git [MY_APP]

cd [MY_APP]

Remove the .git folder since you want to create a new repository

rm -rf .git

Install dependencies (you can use yarn or npm too):

bun install

Start Expo for native apps:

bun run dev

Create builds for TestFlight and App Store

(Replace ios with android for Google Play)

bun build:ios  # create a build with EAS
bun submit:ios  # send the build to Apple/Google

Modifying the game

Portrait vs Landscape:

app.json:

"orientation": "landscape"