large-500-800ms
Use when building larger movement animations between 500-800ms - hero transitions, complex reveals, animations that tell a story and deserve attention
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/dylantarre/animation-principles --skill large-500-800ms- 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 large-500-800ms 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.
Large Animations (500-800ms)
At 500-800ms, animations become events. Users stop and watch. Reserve this duration for significant moments that deserve attention and communicate importance.
Disney Principles at Large Scale
Full Expression of All Principles
Squash & Stretch: Dramatic deformation - 20-30% stretch visible and characterful. Objects feel elastic and alive.
Anticipation: Extended wind-up - 150-200ms anticipation sells the action. Clear "about to happen" signal.
Staging: Sophisticated choreography - multiple elements with clear hierarchy and timing offsets.
Straight Ahead/Pose to Pose: Definitely pose to pose - complex motion needs keyframe control.
Follow Through: Extended settling - elements continue moving 100-200ms after main action completes.
Slow In/Slow Out: Dramatic easing - strong deceleration creates impact at endpoints.
Arcs: Essential - all movement should follow natural curved paths.
Secondary Action: Rich layering - primary, secondary, and tertiary actions possible.
Timing: 30-48 frames at 60fps. Full cinematic range.
Exaggeration: Go bold - this duration supports theatrical expression.
Solid Drawing: Full 3D transforms - depth, perspective, complex rotations.
Appeal: Memorable moments - users will recall these animations.
Easing Recommendations
/* Dramatic entrance */
transition: all 600ms cubic-bezier(0.16, 1, 0.3, 1);
/* Powerful deceleration */
transition: all 700ms cubic-bezier(0, 0.55, 0.45, 1);
/* Elastic landing */
transition: transform 650ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
/* Smooth, cinematic */
transition: all 800ms cubic-bezier(0.25, 0.1, 0.25, 1);
Best Use Cases
- Hero image/section reveals
- Major feature introductions
- Success/completion celebrations
- Onboarding sequences
- Dashboard data loads
- Portfolio piece reveals
- First-time user experiences
- Important state changes
Implementation Pattern
.hero-reveal {
opacity: 0;
transform: translateY(60px) scale(0.9);
transition: opacity 500ms ease-out,
transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-reveal.visible {
opacity: 1;
transform: translateY(0) scale(1);
}
/* Staggered reveal with follow-through */
.hero-title { transition-delay: 0ms; }
.hero-subtitle { transition-delay: 100ms; }
.hero-cta { transition-delay: 200ms; }
Warning Signs
- If users seem impatient, duration is too long
- If used for common actions, flow suffers
- If multiple large animations compete, staging fails
Key Insight
Large animations are moments of theater. They punctuate the experience and create memory. Use sparingly - every large animation should earn its duration.
FAQ
What does the large-500-800ms skill do?
Use when building larger movement animations between 500-800ms - hero transitions, complex reveals, animations that tell a story and deserve attention
How do I install large-500-800ms?
Run npx skills add https://github.com/dylantarre/animation-principles --skill large-500-800ms 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/large-500-800ms/ (personal) or .claude/skills/large-500-800ms/ (project).
Which AI agents can use large-500-800ms?
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 large-500-800ms 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 large-500-800ms?
It is published by dylantarre in dylantarre/animation-principles. It has 487 recorded installs.
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