Tetris in Rust

A fully working terminal Tetris game implemented in Rust using ratatui for TUI rendering.

Originally a C++ / ncurses prototype — re-implemented from scratch in Rust by Claude Sonnet 4.6 using Claude Code v2.1.50.

---

Features

• All 7 standard tetrominoes (I, S, Z, O, T, L, J) with per-piece colors
• Rotation, collision detection, and line clearing
• Hard drop (Space) and soft drop (↓)
• Score tracking: +25 per piece placed, bonus for multi-line clears
• Speed increases every 10 pieces (up to a cap)
• Next-piece preview
• Pause / resume
• Game-over screen with final score
• Clean terminal restore on exit

Prerequisites

• Rust (edition 2021)

Build & Run

cargo build
cargo run

Controls

Key	Action
← →	Move
↑	Rotate
↓	Soft drop
Space	Hard drop
p	Pause/Resume
a	Toggle AI mode
q / Esc	Quit

Scoring

Event	Points
Piece locked	+25
1 line cleared	+200
2 lines cleared	+400
3 lines cleared	+800
4 lines cleared	+1600

Project Structure

├── Cargo.toml
└── src/
    ├── main.rs   — terminal init/cleanup, game loop, input handling
    ├── game.rs   — game state, tetrominoes, physics, scoring
    └── ui.rs     — ratatui rendering (board, sidebar, overlays)

Dependencies

Crate	Version	Purpose
ratatui	0.29	TUI rendering
crossterm	0.28	Cross-platform terminal I/O
rand	0.8	Random piece selection

---

Generated with Claude Sonnet 4.6 using Claude Code v2.1.50