https://github.com/tomsoderlund/expo-2d-game-engine

React Native 2D game engine built on expo-gl and expo-2d-context
https://github.com/tomsoderlund/expo-2d-game-engine

expo expo-gl game-engine react-native

Last synced: 4 months ago
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React Native 2D game engine built on expo-gl and expo-2d-context

• Host: GitHub
• URL: https://github.com/tomsoderlund/expo-2d-game-engine
• Owner: tomsoderlund
• Created: 2023-11-10T10:39:43.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2024-08-10T17:06:37.000Z (almost 2 years ago)
• Last Synced: 2024-08-11T18:02:25.892Z (almost 2 years ago)
• Topics: expo, expo-gl, game-engine, react-native
• Language: TypeScript
• Homepage:
• Size: 1.03 MB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# expo-2d-game-engine

React Native 2D game engine built on [Skia](https://shopify.github.io/react-native-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

![expo-2d-game-engine demo on phone](docs/demo.gif)

- 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"