SKILL.md
Naturalistic Motion
Think like a biologist watching life unfold. Nothing in nature moves mechanically. Everything breathes, adjusts, responds. Life is continuous subtle motion.
Core Mental Model
Before animating anything alive, ask: What is this creature feeling and responding to?
Living things are never truly still. They shift weight, breathe, notice, adjust. Naturalistic motion isn't about copying reality—it's about capturing aliveness.
The 12 Principles Through Organic Life
Secondary Action — Life is layered motion. While a character talks, they breathe. While they breathe, they blink. While they blink, their weight shifts. Stack subtle actions.
Follow Through & Overlapping Action — Bodies are systems of connected parts. Movement cascades through joints and soft tissue. Nothing moves in isolation.
Arcs — Nature abhors straight lines. Every joint creates rotation. Every movement traces curves. Study the path of a hand gesture—it's never linear.
Slow In & Slow Out — Organic motion accelerates and decelerates continuously. Muscles engage and release. This is what makes movement look "alive" rather than robotic.