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Found 29 Skills
Use this skill when working with coordinates, vectors, matrices, shapes, hit testing, or layout rectangles in PixiJS v8. Covers Point/ObservablePoint, Matrix (2D affine, decompose, apply, applyInverse), shapes (Rectangle, Circle, Ellipse, Polygon, RoundedRectangle, Triangle), Rectangle layout helpers (pad, fit, enlarge, ceil, scale, getBounds), strokeContains hit tests, Polygon isClockwise/containsPolygon, toGlobal/toLocal, PointData/PointLike/Size types, DEG_TO_RAD, and pixi.js/math-extras vector and intersection helpers. Triggers on: Point, ObservablePoint, Matrix, Rectangle, Circle, Polygon, Triangle, RoundedRectangle, toGlobal, toLocal, hitArea, strokeContains, pad, fit, enlarge, ceil, getBounds, containsRect, intersects, isClockwise, math-extras, lineIntersection, segmentIntersection, DEG_TO_RAD, PointData.
PixiJS 2D rendering and game development including sprites, animations, interactions, and WebGL/Canvas rendering. Use when building PixiJS applications, creating 2D games, or implementing interactive graphics.
Use this skill when profiling or optimizing a PixiJS v8 app for FPS, draw calls, or GPU memory. Covers destroy patterns (cacheAsTexture(false), releaseGlobalResources), GCSystem and TextureGCSystem, PrepareSystem, object pooling, batching rules, BitmapText for dynamic text, culling (Culler, CullerPlugin, cullable, cullArea), resolution/antialias tradeoffs. Triggers on: FPS, jank, draw calls, batching, object pool, GCSystem, PrepareSystem, Culler, cacheAsTexture, memory leak, destroy patterns.
Use this skill when drawing images in PixiJS v8. Covers Sprite with anchor/tint/texture, AnimatedSprite for frame animation, NineSliceSprite for resizable UI panels, TilingSprite for scrolling/repeating backgrounds. Triggers on: Sprite, AnimatedSprite, NineSliceSprite, TilingSprite, Sprite.from, anchor, tint, tilePosition, animationSpeed, gotoAndPlay, leftWidth, topHeight, constructor options, SpriteOptions, AnimatedSpriteOptions, NineSliceSpriteOptions, TilingSpriteOptions.
Use this skill when running per-frame logic or controlling the PixiJS v8 render loop. Covers Ticker.add/addOnce/remove, deltaTime vs deltaMS vs elapsedMS, UPDATE_PRIORITY ordering, maxFPS/minFPS capping, speed scaling, Ticker.shared vs new instances, per-object onRender hook, manual rendering. Triggers on: Ticker, UPDATE_PRIORITY, deltaTime, deltaMS, elapsedMS, onRender, app.ticker, maxFPS, minFPS, Ticker.shared.
Use this skill when rendering thousands of lightweight sprites in PixiJS v8. Covers ParticleContainer with Particle instances, addParticle/removeParticle, particleChildren array, dynamicProperties (vertex, position, rotation, uvs, color), boundsArea, roundPixels, update. Triggers on: ParticleContainer, Particle, IParticle, addParticle, particleChildren, dynamicProperties, boundsArea, particle effects, constructor options, ParticleContainerOptions, ParticleOptions.
Use this skill when rendering text in PixiJS v8. Covers Text for canvas-quality styled labels, BitmapText for cheap per-frame updates via glyph atlas, HTMLText for HTML/CSS markup via SVG, SplitText and SplitBitmapText for per-character animation, TextStyle, tagStyles, constructor options, TextOptions, HTMLTextOptions, BitmapText, SplitTextOptions, SplitBitmapTextOptions. Triggers on: Text, BitmapText, HTMLText, SplitText, SplitBitmapText, TextStyle, HTMLTextStyle, BitmapFont.install, tagStyles, fontFamily, wordWrap.
Use this skill when creating, converting, or manipulating colors in PixiJS v8. Covers Color class input formats (hex, CSS names, RGB/HSL objects, arrays, Uint8Array), conversion methods (toHex, toNumber, toArray, toRgba), component access, setAlpha/multiply/premultiply, Color.shared singleton. Triggers on: Color, ColorSource, hex, rgb, hsl, tint, premultiply, Color.shared, color conversion.
Use this skill when writing custom shaders, uniforms, filters, or batchers in PixiJS v8. Covers Shader.from({gl, gpu, resources}), GlProgram/GpuProgram, UniformGroup with typed uniforms (f32, vec2, mat4x4), UBO mode, textures as resources, custom Filter via Filter.from, GLSL ES 3.0 conventions (in/out, finalColor, texture()), uBackTexture sampling, pixi.js/unsafe-eval for strict CSP, custom Batcher via extensions. Triggers on: Shader, GlProgram, GpuProgram, UniformGroup, Batcher, Filter, Filter.from, GLSL, WGSL, UBO, uniform, custom shader, finalColor, uBackTexture, blendRequired, unsafe-eval.
Use this skill when rendering custom geometry in PixiJS v8. Covers Mesh with MeshGeometry (positions, uvs, indices, topology), MeshSimple for per-frame vertex animation, MeshPlane for subdivided deformation, MeshRope for path-following textures, PerspectiveMesh for 2.5D corners. Triggers on: Mesh, MeshGeometry, MeshSimple, MeshPlane, MeshRope, PerspectiveMesh, positions, uvs, indices, topology, setCorners, constructor options, MeshOptions, MeshPlaneOptions, MeshRopeOptions, SimpleMeshOptions, PerspectivePlaneOptions.
Use this skill when rendering live HTML/DOM elements (or frozen snapshots of them) as PixiJS v8 textures via the EXPERIMENTAL HTML-in-Canvas browser APIs. Covers the pixi.js/html-source side-effect import, feature-detection with canvas.requestPaint, HTMLSource for a live, repainting element kept interactive in the browser (autoLayout/autoUpdate/autoRequestPaint, requestPaint, isReady, the direct-child-of-canvas + layoutsubtree requirement), ElementImageSource for an immutable captureElementImage() snapshot (autoClose, ready immediately), using the source on a Sprite/Texture/Mesh, fallback-only auto-detection via Texture.from at priority -10, and destroy/cleanup. Triggers on: HTMLSource, ElementImageSource, pixi.js/html-source, requestPaint, captureElementImage, ElementImage, layoutsubtree, autoRequestPaint, autoUpdate, autoClose, HTML in canvas, render DOM to texture, HTMLSourceOptions, ElementImageSourceOptions, HTMLSourceCanvas, experimental.
Use this skill when adding screen reader and keyboard navigation to PixiJS v8 apps. Covers AccessibilitySystem options (enabledByDefault, debug, activateOnTab, deactivateOnMouseMove), per-container accessibility properties, shadow DOM overlay, mobile touch-hook activation. Triggers on: accessibility, a11y, screen reader, ARIA, keyboard navigation, tab order, AccessibilitySystem, accessibleTitle, accessibleHint, tabIndex, accessibleChildren.