https://creack.github.io/wolf3d

go run go.creack.net/wolf3d@latest

env -i HOME=${HOME} PATH=${PATH} go run github.com/hajimehoshi/wasmserve@latest go.creack.net/wolf3d@latest

Install wasmer:

go install github.com/hajimehoshi/wasmserve@latest

Clone this repo:

git clone https://github.com/creack/wolf3d
cd wolf3d

Run:

env -i HOME=${HOME} PATH=${PATH} wasmserve .

For development, wasmer exposes an endpoint to do live reload.

I recommend reflex.

Install:

go install github.com/cespare/reflex@latest

Then, with wasmer running:

reflex curl -v http://localhost:8080/_notify

• up/down w/s: Move up/down.
• right/left: Turn right/left.
• a/d: Strife right/left.

A Dockerfile is provided to build and run the WASM version.

docker build -t wolf3d .

To run the image, make sure to have:

• --rm to avoid pollution
• -it so the app receives signals
• -p to expose the port 8080

Any changes to the code will require to re-build the image.

docker run --rm -p 8080:8080 -it wolf3d wasmserve .

You can then access the WASM page at the Docker ip on port 8080. If in doubt about the IP, it is likely localhost.

For development, you can add -v $(pwd):/app to mount the local directory in the Docker container, the server will hot-reload when file changes.

docker run --rm -p 8080:8080 -it -v $(pwd):/app wolf3d

Largely based on:

• https://lodev.org/cgtutor/raycasting.html#Untextured_Raycaster_
• https://github.com/faiface/pixel-examples/tree/704acac0e5f6fc19b27d5772033d77fc58cb7d59/community/raycaster