animation-principles—advanced

📁 dylantarre/animation-principles 📅 Jan 1, 1970
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npx skills add https://github.com/dylantarre/animation-principles --skill Animation Principles - Advanced

Skill 文档

Nuanced Application of Animation Principles

You’ve internalized the fundamentals. Now explore the subtleties that separate competent from exceptional animation.

Beyond the Basics

Squash and Stretch: The Invisible Application

Facial animation relies on subtle squash/stretch most viewers never consciously see. Brows compress, cheeks stretch, jaw volumes shift. The principle applies to rigid objects too – camera shake and motion blur are perceptual squash/stretch.

Anticipation: When to Subvert It

Lack of anticipation creates surprise, shock, comedy. A punch without wind-up reads as unexpected. Master animators use anticipation’s absence as deliberately as its presence.

Staging: Negative Space as Tool

What you don’t show matters. Empty frame space creates tension. Cramped staging creates claustrophobia. Staging includes compositional psychology, not just visibility.

Method Selection: Scene-Dependent Choices

Straight ahead for emotional spontaneity in performance. Pose-to-pose for precision timing in action. The choice shapes the final energy. Some scenes demand switching methods mid-shot.

Follow Through: Emotional Resonance

Heavy follow through suggests reluctance, weight, sadness. Minimal follow through suggests alertness, tension. The technical principle carries emotional subtext.

Slow In/Out: Non-Linear Easing

Beyond basic ease curves: snap with overshoot, settle with micro-bounces, hold with drift. Custom spacing graphs for specific emotional beats.

Arcs: Broken Arcs as Choice

Robotic characters, sudden decisions, physical impacts – these break arcs intentionally. The principle teaches natural motion so you can meaningfully deviate.

Secondary Action: Counterpoint

Advanced secondary action can contrast the primary emotion. Happy walk with nervous hand-wringing hints at hidden anxiety. Layers create complexity.

Timing: Frame-by-Frame Psychology

Single frame holds create different impact than two-frame holds. The difference between 8 and 10 frames changes weight perception. Frame-level sensitivity matters.

Exaggeration: Style-Appropriate Scaling

Pixar exaggeration differs from Genndy Tartakovsky’s. Exaggeration must match the project’s visual language. What’s appropriate in Looney Tunes destroys Ghibli realism.

Solid Drawing: Breaking Dimension

2D animation sometimes flattens 3D logic for graphic impact. Knowing solid drawing lets you strategically violate it – Milt Kahl’s angular poses break volume for graphic punch.

Appeal: Uncomfortable Appeal

Villains need appeal too – compelling ugliness. Appeal isn’t beauty; it’s magnetic quality. Some characters appeal through grotesque fascination.

Principle Weights by Genre

  • Action: Timing, Arcs, Anticipation dominant
  • Comedy: Timing, Exaggeration, Staging dominant
  • Drama: Secondary Action, Follow Through, Staging dominant
  • Horror: Timing, Staging, broken principles deliberately