Add WebAssembly support (#39)

.github/workflows/go.yml

@@ -0,0 +1,41 @@
+name: Go
+
+on:
+  push:
+    tags: [ '*' ]
+
+jobs:
+  compile:
+    name: Compile
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest]
+        include:
+          - os: windows-latest
+            ext: '.exe'
+          - os: ubuntu-latest
+            ext: ''
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Go
+        uses: actions/setup-go@v2.1.3
+        with:
+          go-version: 1.18
+
+      - name: Install Linux Packages
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get install -y libgl1-mesa-dev xorg-dev
+
+      - name: Compile
+        run: |
+          mkdir -p "./dist/${{ matrix.os }}"
+          go build -o "./dist/${{ matrix.os }}/rally-mka${{ matrix.ext }}" ./cmd/rallymka/
+
+      - name: Archive Distribution
+        uses: actions/upload-artifact@v3
+        with:
+          name: Distribution
+          path: ./dist

.gitignore

@@ -3,3 +3,9 @@
 
 # Assets
 /assets
+
+# VSCode
+.vscode/
+
+# Distribution
+/dist

README.md

@@ -1,49 +1,99 @@
 # Rally MKA [![Go Report Card](https://goreportcard.com/badge/github.com/mokiat/rally-mka)](https://goreportcard.com/report/github.com/mokiat/rally-mka) [![Go Reference](https://pkg.go.dev/badge/github.com/mokiat/rally-mka@master.svg)](https://pkg.go.dev/github.com/mokiat/rally-mka@master)
 
-Rally MKA is a really old game of mine ported to Go for fun and as a way to try new concepts out.
+Rally MKA is a really old game/demo of mine ported to Go for fun and as a way to experiment with new concepts.
 
-![Game Screenshot](preview.png)
+[![Game Screenshot](preview.png)](http://mokiat.com/rally-mka/)
 
 ## User's Guide
 
-Check the [Releases](https://github.com/mokiat/rally-mka/releases) section for ready-to-use binaries.
+### Browser
+
+Use the following link to try the game in the browser:
+http://mokiat.com/rally-mka/
+
+The preferred browser is [Chrome](https://www.google.com/chrome/), which at the time of writing appears to best support WebGL2, WebAssembly and Game Controllers.
+
+### Desktop
+
+Check the [Releases](https://github.com/mokiat/rally-mka/releases) section for ready-to-use binaries that you can use on your computer.
+
+The requirement is that your OS supports `OpenGL 4.6`.
+
+### Controls
+
+Use the following keyboard keys when playing:
+
+- `Left Arrow` - Steer left
+- `Right Arrow` - Steer right
+- `Up Arrow` - Accelerate
+- `Down Arrow` - Decelerate
+- `a`, `s`, `d`, `w` - Rotate camera
+- `q`, `e` - Zoom in/out camera
+- `Enter` - Flip car
+
+In addition, the game supports using a Game Controller.
 
 ## Developer's Guide
 
 This section describes how to setup the project on your machine and compile it yourself.
 
 ### Prerequisites
 
-* You need [Go 1.16](https://golang.org/dl/) or newer.
-* You need the [Git LFS](https://git-lfs.github.com/) plugin. As the project contains large images and models, this is the official way on how not to clog a repository.
-* Follow the instructions on the [GLFW for Go](https://github.com/go-gl/glfw) repository and make sure you can run the [GLFW examples](https://github.com/go-gl/example) on your platform.
+- You need [Go 1.18](https://golang.org/dl/) or newer.
+- You need the [Git LFS](https://git-lfs.github.com/) plugin. As the project contains large images and models, this is the official way on how not to clog a repository.
+- Follow the instructions on the [GLFW for Go](https://github.com/go-gl/glfw) repository and make sure you can run the [GLFW examples](https://github.com/go-gl/example) on your platform.
+- Make sure you have [Task](https://taskfile.dev/) installed, as this project uses Taskfiles.
 
 ### Setting Up
 
 1. Clone the repository
 
-    ```sh
-    git clone https://github.com/mokiat/rally-mka
-    cd rally-mka
-    ```
+   ```sh
+   git clone https://github.com/mokiat/rally-mka
+   cd rally-mka
+   ```
 
 1. Download Go dependencies
 
-    ```sh
-    go mod download
-    ```
+   ```sh
+   go mod download
+   ```
 
 1. Generate game assets
 
-    ```sh
-    make assets
-    ```
+   ```sh
+   task pack
+   ```
+
+#### Desktop
 
 1. Run the game
 
-    ```sh
-    make play
-    ```
+   ```sh
+   task run
+   ```
+
+#### Browser
+
+1. Generate web content
+
+   ```sh
+   task webpack
+   ```
+
+1. Build web assembly executable
+
+   ```sh
+   task wasm
+   ```
+
+1. Run HTTP server
+
+   ```sh
+   task web
+   ```
+
+1. Open http://localhost:8080
 
 ## Licensing
 
@@ -53,14 +103,16 @@ All source code in this project is licensed under [Apache License v2](LICENSE).
 
 ### Assets
 
-Assets (images, models, textures, etc.), are distributed under the [Creative Commons Attribution 4.0 International](http://creativecommons.org/licenses/by/4.0/) license.
+Assets (images, models, textures, etc.) are distributed under the [Creative Commons Attribution 4.0 International](http://creativecommons.org/licenses/by/4.0/) license.
 
 ## Special Thanks
 
 The following projects and individuals have contributed significantly to the project:
 
-* **[GLFW for Go](https://github.com/go-gl/glfw)** for making it possible to use GLFW and OpenGL in Go.
-* **[LearnOpenGL](https://learnopengl.com/)** for the amazing tutorials.
-* **[TextureHeaven](https://texturehaven.com/)** for the excellent free images.
-* **[Erin Catto](https://github.com/erincatto)** for all the presentations and articles that were used as reference.
-* **[Bo0mer](https://github.com/Bo0mer)** for the panoramic image that was used to generate the original `city` skybox images.
+- **[The Go Team](https://go.dev/)** for making Go programming language.
+- **[GLFW for Go](https://github.com/go-gl/glfw)** for making it possible to use GLFW and OpenGL in Go.
+- **[LearnOpenGL](https://learnopengl.com/)** for the amazing tutorials.
+- **[Poly Haven](https://polyhaven.com/)** for the excellent free images.
+- **[Erin Catto](https://github.com/erincatto)** for all the presentations and articles that were used as reference for the physics engine.
+- **[Bo0mer](https://github.com/Bo0mer)** for the panoramic image that was used to generate the original `city` skybox images.
+- And everyone else whose repository has been used as a dependency.

Taskfile.yml

@@ -0,0 +1,38 @@
+version: '3'
+
+tasks:
+
+  webpack:
+    cmds:
+      - mkdir -p 'assets/web'
+      - cp 'resources/icon.png' 'assets/web/favicon.png'
+      - cp 'resources/web/main.css' 'assets/web/main.css'
+      - cp 'resources/web/main.js' 'assets/web/main.js'
+      - cp 'resources/web/index.html' 'assets/index.html'
+      - cp "$(go env GOROOT)/misc/wasm/wasm_exec.js" 'assets/web'
+
+  pack:
+    cmds:
+      - go run './cmd/rallypack'
+
+  assets:
+    deps: [webpack, pack]
+
+  run:
+    cmds:
+      - go run './cmd/rallymka'
+
+  debug:
+    cmds:
+      - go run -tags debug './cmd/rallymka'
+
+  wasm:
+    env:
+      GOOS: js
+      GOARCH: wasm
+    cmds:
+      - go build -o './assets/web/main.wasm' './cmd/rallywasm'
+
+  web:
+    cmds:
+      - go run 'github.com/mokiat/httpserv@master' -dir './assets' -host '127.0.0.1'