Tetris (Go + Raylib)

A small, self‑contained Tetris clone written in Go using raylib‑go. It features classic gameplay (movement, rotation, line clearing, scoring), a simple menu and game‑over flow, pixel‑art tiles, and embedded audio — all shipped as a single binary via go:embed.

Features

Classic Tetris gameplay with 7 tetrominoes
Next piece preview and line clearing with scoring
Keyboard controls for movement, rotation, and soft drop
Simple menu and game‑over screens via a tiny state machine
Embedded sprites, icon, SFX, and background music (no external files at runtime)

Controls

Left / Right: Move piece
Up: Rotate clockwise
Down (hold): Soft drop (faster fall)
Enter: Select in menu, restart from game over
Q: Return to menu from game over

Scoring

Points are awarded per simultaneous line clear using: score = L^2 * 100 where L is the number of lines cleared at once.

1 line → 100
2 lines → 400
3 lines → 900
4 lines → 1600

Build and Run

Prerequisites:

Go (as indicated in go.mod)
A working C toolchain (required by raylib‑go). On Linux you may need basic X11/ALSA dev packages.

Build

Using make

make

Using go directly:

go build tetris.go

Run

./tetris

Project Structure

tetris.go: Program entrypoint; initializes window, renderer, audio, and the state machine.
assets/: Embedded resources (sprites, icon, SFX, music) and a compact tile‑font mapping.
engine/: Lightweight helpers for audio, graphics, font/tile rendering, timing, and render context.
game/: Core gameplay (grid, shapes, collision, scoring) and state handlers for menu, gameplay, and gameover.

Roadmap

Line clear animations
Hard drop and ghost piece
Level/speed progression and pause
High score persistence
Custom key bindings

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