Interface EasingDictionary

packages/shared/src/easings.ts:27–60

* With thanks to ai easings.net * https://github.com/ai/easings.net/blob/master/src/easings/easingsFunctions.ts

 * https://github.com/ai/easings.net/blob/master/src/easings/easingsFunctions.ts
 */
interface EasingDictionary {
  linear: (t: number) => number
  easeInQuad: (t: number) => number
  easeOutQuad: (t: number) => number
  easeInOutQuad: (t: number) => number
  easeInCubic: (t: number) => number
  easeOutCubic: (t: number) => number
  easeInOutCubic: (t: number) => number
  easeInQuart: (t: number) => number
  easeOutQuart: (t: number) => number
  easeInOutQuart: (t: number) => number
  easeInQuint: (t: number) => number
  easeOutQuint: (t: number) => number
  easeInOutQuint: (t: number) => number
  easeInSine: (t: number) => number
  easeOutSine: (t: number) => number
  easeInOutSine: (t: number) => number
  easeInExpo: (t: number) => number
  easeOutExpo: (t: number) => number
  easeInOutExpo: (t: number) => number
  easeInCirc: (t: number) => number
  easeOutCirc: (t: number) => number
  easeInOutCirc: (t: number) => number
  easeInBack: (t: number) => number
  easeOutBack: (t: number) => number
  easeInOutBack: (t: number) => number
  easeInElastic: (t: number) => number
  easeOutElastic: (t: number) => number
  easeInOutElastic: (t: number) => number
  easeInBounce: (t: number) => number
  easeOutBounce: (t: number) => number
  easeInOutBounce: (t: number) => number
  steps: StepsEasing
}

const c1 = 1.70158
const c2 = c1 * 1.525