v/examples/2048/README.md
2023-08-13 13:04:00 +03:00

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# V 2048
This is a simple 2048 game, written in [the V programming language](https://vlang.io/).
WebAssembly demo: https://v2048.vercel.app
![screenshot](demo.png)
## Description:
Merge tiles by moving them.
After each move, a new random tile is added (2 or 4).
The goal of the game is to create a tile with a value of 2048.
## Keys:
Escape - exit the game
Backspace - undo last move
n - restart the game
t - toggle the UI theme
Enter - toggle the tile text format
UP,LEFT,DOWN,RIGHT / W,A,S,D / touchscreen swipes - move the tiles
## Running instructions:
Compile & run the game with `./v run examples/2048`
## Compiling to WASM:
1. Install Emscripten from https://emscripten.org/docs/getting_started/downloads.html
2. Make sure that the environment in your shell is setup correctly,
i.e. that `emcc --version` works.
```sh
. /opt/emsdk/emsdk_env.sh
emcc --version
```
3. Compile the game to WASM:
```sh
v -skip-unused -prod -os wasm32_emscripten examples/2048/`
```
4. Copy the 2048 file to `index.js` (can be done once; this step will be removed soon):
```sh
cp examples/2048/2048 examples/2048/index.js
```
5. Run/test the game:
```sh
emrun examples/2048/index.html
```
Once you have run the game, you can make changes,
then just recompile (step 3), and refresh the game in your browser.