Awesome

Rebol/Easing

Collection of easing functions for Rebol3. Based on Warren Moore's code: https://github.com/warrenm/AHEasing

Usage

ease: import 'easing

;; Using helper `tween` function
;; getting values between 100 and 200 with an in-elastic easing
t: 0.0 loop 21 [
    print [t tab tween 100 200 t 'in-cubic]
    t: t + 0.05
]
;; getting values between black and red colors with an out-elastic easing
t: 0.0 loop 21 [
    print [t tab tween 0.0.0 255.0.0 t 'out-elastic]
    t: t + 0.05
]

;; Using easing natives directly:
probe ease/in-out-quad 0.4