in_quart

Function
in_quart(t: float) -> float

Quartic ease in - very slow start with strong acceleration

More dramatic than quadratic easing. Starts extremely slowly and then accelerates rapidly. Creates a strong "wind-up" effect. Use cases: - Dramatic entrances - Building suspense before rapid movement - Power-up animations - Loading animations that build momentum

Parameters

t
Time factor between 0 and 1

Returns

Eased value between 0 and 1, following t⁴ Raises: ValueError: If t is not between 0 and 1