follow-through-overlapping

Nothing stops all at once. When a character halts, their hair keeps moving. When a car brakes, passengers lurch forward. Follow through and overlapping action capture how different parts of a system respond to forces at different rates—the principle that makes animation feel physically grounded.

Follow Through: When the main body stops, appendages continue moving due to momentum, then settle. The termination behavior of motion.

Overlapping Action: Different parts move at different rates throughout motion, not just at stops. Hair doesn't start moving when the head starts—it drags behind, then catches up. The continuous offset of timing.

在对多部分对象、角色附属物、织物、头发或任何需要真实阻力、动量和沉降行为的运动进行动画处理时使用。 来源：dylantarre/animation-principles。