in_out_quart

Function

in_out_quart(t: float) -> float

Quartic ease in-out - dramatic acceleration and deceleration

Combines strong ease-in with strong ease-out for very dramatic effect. Much more pronounced than quadratic in-out. Creates powerful, cinematic movement patterns. Use cases: - Cinematic camera movements - Dramatic scene transitions - Hero element animations - High-impact visual effects

Parameters

t: Time factor between 0 and 1

Returns

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