# alex01502409/snake architecture

> Architecture diagram of the GitHub repository alex01502409/snake, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-28). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/alex01502409/snake
- Repository: https://github.com/alex01502409/snake

## Overview

This is a small Swing Snake game. The workflow starts the desktop window, creates the game panel, then accepts arrow-key input while a timer advances and redraws the game. The panel owns movement, apple scoring, collision checks, and game-over rendering. The source shows no separate persistence or service layer.

Main entry points: [`src/GamePanel.java`](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java) (Game tick), [`src/GameFrame.java`](https://github.com/alex01502409/snake/blob/main/src/GameFrame.java) (Game window), [`src/SnakeGame.java`](https://github.com/alex01502409/snake/blob/main/src/SnakeGame.java) (Game entry)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_launch["Application launch"]
  node_entry["Game entry<br/>[SnakeGame.java]"]
  node_window["Game window<br/>[GameFrame.java]"]
end

subgraph group_game["Game and display"]
  node_panel["Game panel<br/>[GamePanel.java]"]
  node_keys["Key handler<br/>[GamePanel.java]"]
  node_tick["Game tick<br/>[GamePanel.java]"]
  node_movement["Snake movement<br/>[GamePanel.java]"]
  node_apple["Apple and score<br/>[GamePanel.java]"]
  node_collision["Collision checks<br/>[GamePanel.java]"]
  node_render["Game rendering<br/>[GamePanel.java]"]
end

node_player(("Player"))
node_swing["Swing framework"]

node_entry -->|"creates"| node_window
node_window -->|"creates"| node_panel
node_player -->|"presses keys"| node_keys
node_keys -->|"sets direction"| node_panel
node_swing -->|"timer dispatches"| node_tick
node_tick -->|"moves snake"| node_movement
node_tick -->|"checks apple"| node_apple
node_tick -->|"checks collisions"| node_collision
node_tick -->|"requests repaint"| node_render
node_panel -->|"places initial apple"| node_apple
node_apple -->|"respawns apple"| node_apple
node_collision -->|"stops timer"| node_tick
node_swing -->|"paints panel"| node_render

click node_entry "https://github.com/alex01502409/snake/blob/main/src/SnakeGame.java"
click node_window "https://github.com/alex01502409/snake/blob/main/src/GameFrame.java"
click node_panel "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_keys "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_tick "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_movement "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_apple "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_collision "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"
click node_render "https://github.com/alex01502409/snake/blob/main/src/GamePanel.java"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_entry,node_window toneBlue
class node_panel,node_keys,node_tick,node_movement,node_apple,node_collision,node_render toneAmber
class node_player,node_swing toneIndigo
```

## Components

### Application launch

- [Game entry](https://github.com/alex01502409/snake/blob/main/src/SnakeGame.java): `src/SnakeGame.java`
- [Game window](https://github.com/alex01502409/snake/blob/main/src/GameFrame.java): `src/GameFrame.java`

### Game and display

- [Game panel](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Key handler](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Game tick](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Snake movement](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Apple and score](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Collision checks](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`
- [Game rendering](https://github.com/alex01502409/snake/blob/main/src/GamePanel.java): `src/GamePanel.java`

### Other components

- **Player**
- **Swing framework**

## Connections

- Game entry → Game window: creates
- Game window → Game panel: creates
- Player → Key handler: presses keys
- Key handler → Game panel: sets direction
- Swing framework → Game tick: timer dispatches
- Game tick → Snake movement: moves snake
- Game tick → Apple and score: checks apple
- Game tick → Collision checks: checks collisions
- Game tick → Game rendering: requests repaint
- Game panel → Apple and score: places initial apple
- Apple and score → Apple and score: respawns apple
- Collision checks → Game tick: stops timer
- Swing framework → Game rendering: paints panel