miles990/flame_demo_game

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Latest recorded source activity: January 15, 2026 at 08:11

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# Space Shooter A retro-style arcade space shooting game built with **Flutter** and **Flame Engine**. > **Built with AI**: This game was developed using [self-evolving-agent](https://github.com/miles990/self-evolving-agent)'s `/evolve` skill - an autonomous AI agent that learns and iterates until goals are achieved. ## Play Now [Play Space Shooter](https://miles990.github.io/flame_demo_game/) ## Screenshots ![Space Shooter Gameplay](screenshots.jpeg) ## Features ### Weapon System (5 Types × 4 Levels) | Type | Color | Special Ability | |------|-------|-----------------| | Standard | Green | Balanced power | | Spread | Yellow-Green | Wide coverage | | Laser | Cyan | Piercing (hits multiple enemies) | | Missile | Orange | Homing (tracks enemies) | | Plasma | Purple | High damage | Each weapon has 4 upgrade levels increasing bullet count and power. ### Power-ups (12 Types) #### Basic Power-ups (20% drop rate) | Item | Color | Effect | |------|-------|--------| | Weapon Upgrade (W) | Orange | Level up current weapon | | Shield (S) | Blue | 8s protection | | Rapid Fire (R) | Purple | 5s double fire rate | | Speed Boost (>) | Yellow | 6s faster movement | | Bomb (B) | Red | Clear all enemies | | Extra Life (+) | Green | +1 life | #### Weapon Type Power-ups | Item | Color | Effect | |------|-------|--------| | Spread (SP) | Yellow-Green | Switch to spread weapon | | Laser (LA) | Cyan | Switch to laser weapon | | Missile (MI) | Deep Orange | Switch to missile weapon | | Plasma (PL) | Violet | Switch to plasma weapon | #### Formation Bonus | Item | Color | Effect | |------|-------|--------| | Mega Bonus (★) | Gold | +500 score + random power-up | ### Enemy Types (8 Types) | Type | Shape | Behavior | Spawn Direction | |------|-------|----------|-----------------| | Basic | Hexagon (Red) | Sine wave movement | Top | | Fast | Triangle (Orange) | High-speed straight | Top/Diagonal | | Tank | Square (Gray) | Slow but 3 HP | Top | | Shooter | Diamond (Purple) | Fires bullets | Top | | Zigzag | Star (Cyan) | Side-to-side movement | Top | | **Tracker** | Pentagon (Pink) | Follows player | Any direction | | **Diver** | Arrow (Yellow) | Dive attacks | Top | | **Orbiter** | Circle (Blue) | Orbital movement | Left/Right | **Spawn Directions**: Top, Left, Right, Top-Left, Top-Right ### Enemy Formations (5 Types) - **V-Shape**: Classic formation - **Line**: Horizontal row - **Circle**: Circular pattern - **Arrow**: Pointed formation - **Wave**: Sine wave pattern **Formation Bonus**: Destroy all enemies in a formation to get guaranteed bonus drops! ### Boss Battles (Enhanced) - Appears every 5 waves - **3-Phase difficulty system**: - Phase 1 (>70% HP): Basic patterns - Phase 2 (40-70% HP): More bullets, faster fire - Phase 3 (<40% HP): Enraged mode with spiral attacks - **Enraged Mode** (<30% HP): Speed boost + aggressive patterns - Health: 1.5-2x higher than before - Drops 3 random power-ups on defeat ## Controls | Key | Action | |-----|--------| | ↑↓←→ / WASD | Move | | SPACE | Shoot | | ESC | Pause | ## How This Game Was Built This project demonstrates **AI-assisted game development** using the self-evolving-agent workflow: ### Step 1: Create Domain Skill First, a [Flame Engine skill](./skills/flame-game-dev/SKILL.md) was created based on the [Flame Engine documentation](https://github.com/flame-engine/flame). This skill encapsulates: - Flame architecture patterns (FlameGame, Components, World/Camera) - Input handling (keyboard, touch, joystick) - Collision detection system - Sprite animation patterns - Audio integration - Common game patterns (object pooling, spawners, parallax) ### Step 2: Evolve the Game With the Flame skill in place, the `/evolve` command was used to iteratively build the game: ```bash /evolve 建立一個太空射擊遊戲 /evolve 加入武器升級和道具掉落系統 /evolve 加入多種敵人類型和 Boss /evolve 部署到 GitHub Pages ``` The self-evolving-agent autonomously: - Searched memory for relevant patterns - Applied Flame Engine best practices from the skill - Implemented features with proper architecture - Tested and fixed issues iteratively - Deployed the final product ### Development Time: ~40 minutes (initial) + ~20 minutes (enhancements) **Initial build** (~40 minutes): - Game architecture setup - Player with 4-level weapon system - 6 types of power-ups with drop system - 5 enemy types with unique behaviors - Boss battle system - Wave progression - HUD with lives display - GitHub Pages deployment **Enhancement update** (~20 minutes): - 5 weapon types with unique properties - 3 new enemy types with multi-directional spawning - Enhanced Boss with 3-phase difficulty - 12 power-up types - Formation bonus system **Bug fixes** (2026-01-13): - Fixed Bomb power-up not clearing enemies (recursive search for nested components) - Added visual confirmation flash effect when Bomb triggers ### Why This Approach? | Traditional | AI-Assisted | |-------------|-------------| | Read docs → Write code → Debug | Skill captures expertise → AI applies patterns | | Manual iteration | Autonomous PDCA cycles | | Knowledge in developer's head | Knowledge encoded in reusable skills | | Hours to days | ~40 minutes | **Skills are "packaged judgment"** - they tell AI when to use what patterns, reducing decision points and ensuring consistency. ## Tech Stack - **Flutter** 3.x - **Flame Engine** 1.x - **Dart** 3.x - **AI Agent**: [self-evolving-agent](https://github.com/miles990/self-evolving-agent) ## Development ```bash # Install dependencies flutter pub get # Run in development flutter run -d chrome # Build for production flutter build web --release ``` ## Deployment The game is deployed to GitHub Pages using the `gh-pages` branch. ```bash # Build and deploy flutter build web --release # Copy build/web/* to gh-pages branch ``` ## License MIT License ## Credits - Built with [Flame Engine](https://flame-engine.org/) - A minimalist 2D game engine for Flutter - Developed using [self-evolving-agent](https://github.com/miles990/self-evolving-agent) - An autonomous AI development workflow

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Software Developers

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flame-game-dev

Software Developers

Flame Engine 2D game development master index - core, systems, templates

Source text: Chinese

2026-01-15

flame-core

Software Developers

Flame Engine core fundamentals - components, input, collision, camera, animation, scenes

Source text: Chinese

2026-01-15

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