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tiennm99
c0fe135ff0
Add CLAUDE.md with architecture overview and dev commands for future Claude Code sessions. Update README with tech stack, project structure, and how-to-play instructions. Add spec for fixing collision physics tuning issues.
62 lines
2.6 KiB
Markdown
62 lines
2.6 KiB
Markdown
# Suika Game (Watermelon Game)
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A browser-based clone of the [Suika Game](https://en.wikipedia.org/wiki/Suika_Game) — a physics-based puzzle game where you drop fruits into a container. When two identical fruits collide, they merge into the next larger fruit. The goal is to create a watermelon and get the highest score.
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Built with [ClaudeKit](https://github.com/carlrannaberg/claudekit).
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## Tech Stack
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| Category | Tool | Version | Purpose |
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|----------|------|---------|---------|
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| **Runtime** | [Matter.js](https://brm.io/matter-js/) | ^0.20.0 | 2D rigid-body physics engine |
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| **Rendering** | Canvas2D | (built-in) | Fruit drawing, UI overlay, game-over screen |
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| **Build** | [Vite](https://vitejs.dev/) | ^8.0.4 | Dev server, ES module bundling, production builds |
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| **Testing** | [Vitest](https://vitest.dev/) | ^4.1.4 | Unit and integration tests |
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| **Language** | JavaScript (ES Modules) | — | Vanilla JS, no framework |
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| **Dev Tooling** | [ClaudeKit](https://github.com/carlrannaberg/claudekit) | — | Git hooks for linting, type-checking, testing, self-review |
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## Project Structure
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```
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src/
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main.js Entry point: initializes game, attaches event listeners
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game.js Game class: orchestrates engine, renderer, input, state
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physics.js Matter.js engine setup, world configuration, walls
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renderer.js Canvas2D rendering: fruits, walls, UI overlay
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input.js Mouse/touch input handling, drop control
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fruits.js Fruit definitions (sizes, colors, labels, progression)
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merger.js Collision detection callback, merge logic, scoring
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constants.js Game dimensions, physics tuning, timing constants
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style.css Page styling
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*.test.js Vitest test files
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index.html Single HTML page with canvas element
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specs/ Feature and bugfix specifications
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```
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## Getting Started
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```bash
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npm install
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npm run dev
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```
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Open the URL shown in the terminal (default: http://localhost:5173).
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## How to Play
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1. Move your mouse (or touch on mobile) to position the fruit
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2. Click/tap to drop it into the container
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3. When two identical fruits touch, they merge into the next larger fruit
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4. The fruit chain goes: Cherry → Strawberry → Grapes → Dekopon → Persimmon → Apple → Pear → Peach → Pineapple → Melon → Watermelon
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5. Game ends when fruits stack above the danger line
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## Scripts
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| Command | Description |
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|---------|-------------|
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| `npm run dev` | Start Vite dev server with HMR |
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| `npm run build` | Production build to `dist/` |
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| `npm run preview` | Preview the production build |
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| `npm test` | Run all tests once |
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| `npm run test:watch` | Run tests in watch mode |
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