/// pub fn quint_in(t: f32) -> f32 { t * t * t * t } /// pub fn quint_out(t: f32) -> f32 { 1.0 - (1.0 - t).powi(5) } /// pub fn quint_in_out(t: f32) -> f32 { if t < 0.5 { 16.0 * t * t * t * t * t } else { 1.0 - (-2.0 * t + 2.0).powi(5) / 2.0 } }