Easing Equation for Stylus

easing.styl

// Cubic
easeInCubic = cubic-bezier(0.550, 0.055, 0.675, 0.190)
easeOutCubic = cubic-bezier(0.215, 0.610, 0.355, 1.000)
easeInOutCubic  = cubic-bezier(0.645, 0.045, 0.355, 1.000)

// Circ
easeInCirc = cubic-bezier(0.600, 0.040, 0.980, 0.335)
easeOutCirc = cubic-bezier(0.075, 0.820, 0.165, 1.000)
easeInOutCirc = cubic-bezier(0.785, 0.135, 0.150, 0.860)

// Expo
easeInExpo = cubic-bezier(0.950, 0.050, 0.795, 0.035)
easeOutExpo = cubic-bezier(0.190, 1.000, 0.220, 1.000)
easeInOutExpo = cubic-bezier(1.000, 0.000, 0.000, 1.000)

// Quad
easeInQuad = cubic-bezier(0.550, 0.085, 0.680, 0.530)
easeOutQuad = cubic-bezier(0.250, 0.460, 0.450, 0.940)
easeInOutQuad = cubic-bezier(0.455, 0.030, 0.515, 0.955)

// Quart
easeInQuart = cubic-bezier(0.895, 0.030, 0.685, 0.220)
easeOutQuart = cubic-bezier(0.165, 0.840, 0.440, 1.000)
easeInOutQuart  = cubic-bezier(0.770, 0.000, 0.175, 1.000)

// Quint
easeInQuint = cubic-bezier(0.755, 0.050, 0.855, 0.060)
easeOutQuint = cubic-bezier(0.230, 1.000, 0.320, 1.000)
easeInOutQuint  = cubic-bezier(0.860, 0.000, 0.070, 1.000)

// Sine
easeInSine = cubic-bezier(0.470, 0.000, 0.745, 0.715)
easeOutSine = cubic-bezier(0.390, 0.575, 0.565, 1.000)
easeInOutSine = cubic-bezier(0.445, 0.050, 0.550, 0.950)

// Back
easeInBack = cubic-bezier(0.600, -0.280, 0.735, 0.045)
easeOutBack = cubic-bezier(0.175,  0.885, 0.320, 1.275)
easeInOutBack = cubic-bezier(0.680, -0.550, 0.265, 1.550)