responsive-adaptive
Use when building context-dependent animations - duration that changes based on device, distance, user preference, or interaction context
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/dylantarre/animation-principles --skill responsive-adaptive- 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 responsive-adaptive 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.
Responsive & Adaptive Timing
Responsive timing adapts duration to context: device capability, travel distance, user preferences, and interaction type. One duration doesn't fit all situations.
Disney Principles for Adaptive Motion
Context-Aware Application
Squash & Stretch: Scale with device - more subtle on mobile (less screen real estate for deformation).
Anticipation: Shorter on touch devices - touch users expect faster response than mouse users.
Staging: Adapt to viewport - smaller screens need more focused staging, less simultaneous motion.
Straight Ahead/Pose to Pose: Same approach, scaled duration - poses stay, timing adjusts.
Follow Through: Proportional to distance - longer travel = more follow-through time.
Slow In/Slow Out: Adjust curve intensity - faster animations need sharper easing.
Arcs: Same paths, different speeds - arc shape remains, traversal time changes.
Secondary Action: Reduce on mobile - fewer simultaneous animations for performance.
Timing: THE adaptive variable - timing changes, principles stay.
Exaggeration: Less on smaller screens - proportional to viewport/element size.
Solid Drawing: Performance-aware - reduce 3D transforms on weaker devices.
Appeal: Context-appropriate - what feels right on desktop may feel slow on mobile.
Adaptive Strategies
Distance-Based Duration
/* Base duration for reference distance */
--base-duration: 300ms;
--base-distance: 100px;
/* Duration scales with distance */
/* 50px travel = 200ms, 200px travel = 450ms */
function getDuration(distance) {
const baseDuration = 300;
const baseDistance = 100;
return Math.min(600, baseDuration * Math.sqrt(distance / baseDistance));
}
Device-Based Duration
/* Desktop - full duration */
.transition { transition-duration: 400ms; }
/* Tablet - slightly faster */
@media (max-width: 1024px) {
.transition { transition-duration: 350ms; }
}
/* Mobile - faster for perceived responsiveness */
@media (max-width: 768px) {
.transition { transition-duration: 250ms; }
}
Preference-Based Duration
/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
.transition {
transition-duration: 0.01ms !important;
animation-duration: 0.01ms !important;
}
}
/* Reduce motion, don't eliminate */
@media (prefers-reduced-motion: reduce) {
.transition {
transition-duration: 100ms;
transform: none; /* Only opacity fades */
}
}
Context Rules
| Context | Duration Adjustment |
|---|---|
| Touch device | -25% from desktop |
| Small viewport | -20% from desktop |
| Large travel distance | +50% base |
| Small travel distance | -30% base |
| User prefers reduced | Instant or minimal |
| Low power mode | -50% or disabled |
| High-frequency action | Use minimum duration |
| First-time view | Full duration |
| Repeat interaction | Reduced duration |
Implementation Pattern
:root {
--duration-instant: 50ms;
--duration-fast: 150ms;
--duration-normal: 300ms;
--duration-slow: 500ms;
}
@media (max-width: 768px) {
:root {
--duration-fast: 100ms;
--duration-normal: 200ms;
--duration-slow: 350ms;
}
}
@media (prefers-reduced-motion: reduce) {
:root {
--duration-instant: 0ms;
--duration-fast: 0ms;
--duration-normal: 100ms;
--duration-slow: 150ms;
}
}
Key Insight
Great animation adapts like typography adapts - what works at one size/context may not work at another. Build systems, not fixed values. Test across contexts. Duration is a variable, not a constant.
FAQ
What does the responsive-adaptive skill do?
Use when building context-dependent animations - duration that changes based on device, distance, user preference, or interaction context
How do I install responsive-adaptive?
Run npx skills add https://github.com/dylantarre/animation-principles --skill responsive-adaptive 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/responsive-adaptive/ (personal) or .claude/skills/responsive-adaptive/ (project).
Which AI agents can use responsive-adaptive?
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 responsive-adaptive 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 responsive-adaptive?
It is published by dylantarre in dylantarre/animation-principles. It has 491 recorded installs.
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