https://github.com/ruccho/waas

A language-independent scripting engine for Unity and .NET using WebAssembly.
https://github.com/ruccho/waas

component-model csharp unity wasm webassembly

Last synced: about 1 year ago
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A language-independent scripting engine for Unity and .NET using WebAssembly.

• Host: GitHub
• URL: https://github.com/ruccho/waas
• Owner: ruccho
• License: mit
• Created: 2024-05-05T14:41:22.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2024-12-24T16:32:56.000Z (over 1 year ago)
• Last Synced: 2025-05-30T16:43:43.211Z (about 1 year ago)
• Topics: component-model, csharp, unity, wasm, webassembly
• Language: C#
• Homepage:
• Size: 14.5 MB
• Stars: 83
• Watchers: 3
• Forks: 3
• Open Issues: 18
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          




WaaS






Stands for WebAssembly as a Script, 
a language-independent scripting engine for Unity and .NET.





[![Releases](https://img.shields.io/github/release/ruccho/WaaS.svg)](https://github.com/ruccho/WaaS/releases)

[![NuGet Version](https://img.shields.io/nuget/v/WaaS.svg)](https://www.nuget.org/packages/WaaS)



### Language independent

Various languages that [support output to WebAssembly](https://github.com/appcypher/awesome-wasm-langs) such as Rust, Go, MoonBit and C/C++ can be used, allowing you to choose the language that best suits your needs.

### Component Model supported

WaaS supports the [Component Model](https://component-model.bytecodealliance.org/) and allows you to perform practical bindings.

### Safe

Without explicit permission, WebAssembly code cannot access the host environment's memory or functions.

You can also run untrusted scripts safely.

### IL2CPP / NativeAOT compatible

WaaS is an interpreter fully implemented in C# and does not require JIT or AOT compilation of WebAssembly itself. It can run anywhere Unity or .NET supports including platforms where JIT is prohibited, such as iOS.

## Use cases

### As a simple script in a game

It can be used as a script to describe events and AI in a game.

By creating scripts in small units, you can achieve fast hot reloads.

### As a user-created script

It can be used as a script to give complex behavior to user-created contents.

### As a plugin system

It can be used as a script to add plugins to applications created with Unity or .NET.

> [!NOTE]

> WaaS is currently **very experimental** and breaking changes can be made.

# Documentation

### See the [documentation](https://ruccho.com/WaaS) for installation and usage.