: The most vital principle, where the distance between frames determines the speed and "feel" of a movement.
This discovery laid the groundwork for the Twelve Basic Principles of Animation later codified by Disney. These principles are the fundamental "mechanics" that make a character feel like it has weight and volume: Animation The Mechanics of Motion
Before characters could speak or have personalities, they had to move correctly. The first "masterclass" in motion didn't happen in a studio, but in the experiments of . His high-speed photographic studies of a galloping horse proved that all four hooves left the ground simultaneously, shattering centuries of artistic misconceptions. : The most vital principle, where the distance
