rust_to_js
Hello world example of Rust, OpenGL and SDL2 which supports compilation to JavaScript/WebAssembly and WebGL 2.0.
- Easy compilation for both desktop and web (both WebAssembly and JavaScript)
- Guarantee that only features supported by WebGL 2.0 is used
- Possible to preload resources (see https://kripken.github.io/emscripten-site/docs/porting/files/packaging_files.html)
Installation
Rust
$ curl https://sh.rustup.rs -sSf | sh
Logout and in again
(See also https://www.rust-lang.org/en-US/install.html)
SDL2
$ brew install sdl2
Emscripten
$ cd ~/
$ git clone https://github.com/juj/emsdk .emsdk
$ cd .emsdk/
$ ./emsdk install latest
$ ./emsdk activate latest
$ source ./emsdk_env.sh
(See also https://kripken.github.io/emscripten-site/docs/getting_started/downloads.html)
Emscripten + SDL2
$ embuilder.py build sdl2 (It might be necessary to change embuilder.py to use python)
Emscripten + Rust
$ embuilder.py build binaryen (It might be necessary to change embuilder.py to use python)
$ rustup target add asmjs-unknown-emscripten
$ rustup target add wasm32-unknown-emscripten
rust_to_js
$ git clone https://github.com/asny/rust_to_js.git rust_to_js
Compilation
cd to rust_to_js project folder
Desktop
$ cargo run
Web
$ ./toJS or $ ./toWasm
$ python -m SimpleHTTPServer
Go to http://localhost:8000/
Clean
$ ./clean