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Found 60 Skills
Use this skill when drawing shapes and graphics in Phaser 4. Covers the Graphics game object, lines, rectangles, circles, arcs, polygons, gradients, fill, stroke, and generated textures. Triggers on: Graphics, draw shape, fillRect, lineStyle, polygon, arc.
Structural validation and damage systems for Three.js building games. Use when implementing building stability (Fortnite/Rust/Valheim style), damage propagation, cascading collapse, or realistic physics simulation. Supports arcade, heuristic, and realistic physics modes.
Use this skill when loading assets in Phaser 4. Covers the Loader plugin, loading images, spritesheets, atlases, audio, JSON, tilemaps, bitmap fonts, and tracking load progress. Triggers on: preload, this.load, asset loading, spritesheet, atlas, load progress.
Use this skill when using Matter.js physics in Phaser 4. Covers rigid bodies, constraints, composite bodies, sensors, collision filtering, world configuration, and advanced physics shapes. Triggers on: Matter, matter physics, constraint, joint, rigid body, sensor.
Use this skill when using timers and time-based events in Phaser 4. Covers TimerEvent, delayed calls, looping timers, the Clock plugin, and time scaling. Triggers on: timer, delay, delayedCall, TimerEvent, Clock, time event.
Concept prototype — validate the core idea is worth designing before writing GDDs. Run right after /brainstorm and /setup-engine. Routes to HTML, Engine, or Paper path based on game type. Produces a throwaway build and a PROCEED/PIVOT/KILL verdict.
Comprehensive GameMaker Studio 2 and GML expertise covering beginner to advanced topics. Provides guidance on object creation, GML syntax, event systems, data structures, file I/O, shaders, networking, platform-specific features, performance optimization, and debugging. Automatically invoked when working with .gml files, .yy files, .yyp projects, or GameMaker-related tasks. References official manual (manual.gamemaker.io) for authoritative documentation.
Add a new gameplay feature to your game — just describe what you want
Provides comprehensive guidance for Cocos2d-x v4 game engine including scene graph, nodes, sprites, actions, animations, physics, rendering, shaders, and platform deployment. Use when the user asks about Cocos2d-x, needs to create games, implement game features, set up development environments, or deploy games to multiple platforms.
Use this skill when making a Phaser 4 game responsive or handling display scaling. Covers ScaleManager, scale modes (FIT, RESIZE, EXPAND, ENVELOP), auto-center, fullscreen, and browser resize handling. Triggers on: ScaleManager, responsive, resize, fullscreen, FIT, scale mode.
Analyzes what is done and the users query and offers advice on what to do next. Use if user says what should I do next or what do I do now or I'm stuck or I don't know what to do
Audit GDD-specified content counts against implemented content. Identifies what's planned vs built.