phaser-gamedev
Build 2D games with Phaser 3 framework. Covers scene lifecycle, sprites, physics (Arcade/Matter), tilemaps, animations, input handling, and game architecture. Trigger: "create phaser game", "add phaser scene", "phaser sprite", "phaser physics", "game development with phaser".
- Installs
- 49
- Last 24h
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/chongdashu/phaserjs-oakwoods --skill phaser-gamedev- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads phaser-gamedev automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Phaser Game Development
Build 2D browser games using Phaser 3's scene-based architecture and physics systems.
STOP: Before Loading Any Spritesheet
Read spritesheets-nineslice.md FIRST.
Spritesheet loading is fragile—a few pixels off causes silent corruption that compounds into broken visuals. The reference file contains the mandatory inspection protocol.
Quick rules (details in reference):
- Measure the asset before writing loader code—never guess frame dimensions
- Character sprites use SQUARE frames: If you calculate frameWidth=56, try 56 for height first
- Different animations have different frame sizes: A run cycle needs wider frames than idle; an attack needs extra width for weapon swing. Measure EACH spritesheet independently
- Check for spacing: Gaps between frames require
spacing: Nin loader config - Verify the math:
imageWidth = (frameWidth × cols) + (spacing × (cols - 1))
Reference Files
Read these BEFORE working on the relevant feature:
| When working on... | Read first |
|---|---|
| Loading ANY spritesheet | spritesheets-nineslice.md |
| Nine-slice UI panels | spritesheets-nineslice.md |
| Tiled tilemaps, collision layers | tilemaps.md |
| Physics tuning, groups, pooling | arcade-physics.md |
| Performance issues, object pooling | performance.md |
Architecture Decisions (Make Early)
Physics System Choice
| System | Use When |
|---|---|
| Arcade | Platformers, shooters, most 2D games. Fast AABB collisions |
| Matter | Physics puzzles, ragdolls, realistic collisions. Slower, more accurate |
| None | Menu scenes, visual novels, card games |
Scene Structure
scenes/
├── BootScene.ts # Asset loading, progress bar
├── MenuScene.ts # Title screen, options
├── GameScene.ts # Main gameplay
├── UIScene.ts # HUD overlay (launched parallel)
└── GameOverScene.ts # End screen, restart
Scene Transitions
this.scene.start('GameScene', { level: 1 }); // Stop current, start new
this.scene.launch('UIScene'); // Run in parallel
this.scene.pause('GameScene'); // Pause
this.scene.stop('UIScene'); // Stop
Core Patterns
Game Configuration
const config: Phaser.Types.Core.GameConfig = {
type: Phaser.AUTO,
width: 800,
height: 600,
scale: {
mode: Phaser.Scale.FIT,
autoCenter: Phaser.Scale.CENTER_BOTH
},
physics: {
default: 'arcade',
arcade: { gravity: { y: 300 }, debug: false }
},
scene: [BootScene, MenuScene, GameScene]
};
Scene Lifecycle
class GameScene extends Phaser.Scene {
init(data) { } // Receive data from previous scene
preload() { } // Load assets (runs before create)
create() { } // Set up game objects, physics, input
update(time, delta) { } // Game loop, use delta for frame-rate independence
}
Frame-Rate Independent Movement
// CORRECT: scales with frame rate
this.player.x += this.speed * (delta / 1000);
// WRONG: varies with frame rate
this.player.x += this.speed;
Anti-Patterns
| Anti-Pattern | Problem | Solution |
|---|---|---|
Global state on window | Scene transitions break state | Use scene data, registries |
Loading in create() | Assets not ready when referenced | Load in preload(), use Boot scene |
| Frame counting | Game speed varies with FPS | Use delta / 1000 |
| Matter for simple collisions | Unnecessary complexity | Arcade handles most 2D games |
| One giant scene | Hard to extend | Separate gameplay/UI/menus |
| Magic numbers | Impossible to balance | Config objects, constants |
| No object pooling | GC stutters | Groups with setActive(false) |
Remember
Phaser provides powerful primitives—scenes, sprites, physics, input—but architecture is your responsibility.
Before coding: What scenes? What entities? How do they interact? What physics model?
Claude can build complete, polished Phaser games. These guidelines illuminate the path—they don't fence it.
FAQ
What does the phaser-gamedev skill do?
Build 2D games with Phaser 3 framework. Covers scene lifecycle, sprites, physics (Arcade/Matter), tilemaps, animations, input handling, and game architecture. Trigger: "create phaser game", "add phaser scene", "phaser sprite", "phaser physics", "game development with phaser".
How do I install phaser-gamedev?
Run npx skills add https://github.com/chongdashu/phaserjs-oakwoods --skill phaser-gamedev in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/phaser-gamedev/ (personal) or .claude/skills/phaser-gamedev/ (project).
Which AI agents can use phaser-gamedev?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is phaser-gamedev safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains phaser-gamedev?
It is published by chongdashu in chongdashu/phaserjs-oakwoods. It has 49 recorded installs.
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