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All animation knowledge for HyperFrames — atomic motion rules, multi-phase scene blueprints, scene transitions, broader motion-design techniques, AND the seven runtime adapters (GSAP default, plus Lottie, Three.js, Anime.js, CSS keyframes, Web Animations API, TypeGPU). Use for any motion or animation task: pick 2-4 rules and compose, or load a blueprint, or look up runtime-specific API (e.g. GSAP eases / Lottie player / Three.js mixer). HyperFrames-native: single paused timeline, seek-safe,...

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This is the exact playbook injected into your agent when the skill activates — shown here so you can audit it before installing. You don't need to read it to use the skill.

by heygen-com

All animation knowledge for HyperFrames — atomic motion rules, multi-phase scene blueprints, scene transitions, broader motion-design techniques, AND the seven runtime adapters (GSAP default, plus Lottie, Three.js, Anime.js, CSS keyframes, Web Animations API, TypeGPU). Use for any motion or animation task: pick 2-4 rules and compose, or load a blueprint, or look up runtime-specific API (e.g. GSAP eases / Lottie player / Three.js mixer). HyperFrames-native: single paused timeline, seek-safe,... npx skills add https://github.com/heygen-com/hyperframes --skill hyperframes-animation Download ZIP GitHub33k

HyperFrames Animation

All motion knowledge in one skill: rules (atomic recipes), blueprints (multi-phase scene templates), transitions (scene-to-scene), techniques (broader motion-design patterns), and adapters (per-runtime APIs).

For the composition contract (data attributes, sub-compositions, determinism) see hyperframes-core.

Default: compose atomic rules

Pick 2-4 rules from rules-index.md, glue them together with a single paused GSAP timeline, done. This is faster and produces less code than starting from a blueprint.

Load a blueprint when

The scene matches an existing pre-designed multi-phase template (brand-reveal, social-proof, etc.) and reusing its phase pipeline saves real authoring time
You want runnable ground-truth code for a complex 4-5 phase choreography

Blueprints live in blueprints-index.md. Each entry points to blueprints/<id>.md (recipe). Do not read it speculatively; load it when you've already decided you need scene-level orchestration.

Routing

Want to… Read Pick an atomic motion pattern by trigger / tag rules-index.md Read one rule's full HTML / CSS / GSAP recipe rules/<name>.md Pick a multi-phase scene template blueprints-index.md Read one blueprint's full recipe blueprints/<id>.md Author a scene transition (CSS-driven, between two clips) transitions/overview.md, transitions/catalog.md Look up a broader motion-design technique techniques.md Analyze an existing composition's animation map scripts/animation-map.mjs GSAP API — timeline / tweens / position parameters adapters/gsap.md GSAP — drop-in effect recipes rules/gsap-effects.md GSAP — transforms / perf adapters/gsap-transforms-and-perf.md GSAP — eases / stagger adapters/gsap-easing-and-stagger.md GSAP — timeline / labels adapters/gsap-timeline-and-labels.md Lottie / dotLottie (After Effects exports, window.__hfLottie) adapters/lottie.md Three.js / WebGL (3D scenes, AnimationMixer, hf-seek) adapters/three.md Anime.js (window.__hfAnime) adapters/animejs.md CSS keyframes (animation-delay / play-state / fill-mode) adapters/css-animations.md Web Animations API (element.animate(), currentTime seek) adapters/waapi.md TypeGPU / WebGPU (navigator.gpu, WGSL, compute pipelines) adapters/typegpu.md HTML-as-texture + WebGL/GLSL post-fx (capture live DOM via drawElementImage) adapters/html-in-canvas-patterns.md Named text-animation effects (24 IDs via external animate-text skill) adapters/animate-text.md

Picking a runtime

GSAP is the default for 95% of motion work — covers timeline orchestration, transforms, easing, stagger. All atomic rules in this skill are GSAP-based.
Lottie when an asset has its own pre-baked timeline (typically After Effects exports).
Three.js for 3D scenes, camera motion, shader-driven visuals.
Anime.js for lightweight tweening when GSAP is overkill.
CSS for simple repeated motifs, decoration, shimmer — no JavaScript animation cost.
WAAPI for native browser keyframes without a GSAP dependency.
TypeGPU / WebGPU for GPU-rendered canvases (particles, liquid glass, custom shaders).

Multiple runtimes can coexist in one composition. Each registers its instances on the runtime-specific global so HyperFrames can seek all of them in one pass.

Critical Constraints

Prerequisite: hyperframes-core → Non-Negotiable Rules (single paused timeline, data-duration governs length, no Math.random / Date.now / performance.now, no repeat: -1, no gsap.set on later-scene clips, no display / visibility animation, no timeline construction inside async / setTimeout / Promise). Don't restate those here.

Animation-craft additions on top of core's contract:

Pre-calculated layout constants — never derive positions from getBoundingClientRect() at tween time. Tween-time DOM measurements desync because the renderer samples in parallel; compute coordinates once at composition setup and reuse.
Spatial motion uses GSAP transform aliases only (x, y, scale, rotation). Core's allowlist also permits opacity / color / backgroundColor / borderRadius for non-spatial property tweens — but never width / height / top / left for layout changes.

Scripts

Copy & paste — that's it

node skills/hyperframes-animation/scripts/animation-map.mjs \
 --out /.hyperframes/anim-map

Reads every GSAP timeline registered on window.__timelines, enumerates tweens, samples bboxes, computes flags, outputs animation-map.json. Use it to audit choreography (dead zones, stagger consistency, lifecycle warnings) after authoring.

animation-map.mjs resolves helper packages from the current project first, then can bootstrap the bundled HyperFrames package version. Set HYPERFRAMES_SKILL_PKG_VERSION=<version> only when running the skill outside the bundled CLI/skill install and you need to pin that bootstrap version explicitly.