Function GetEaseFunction

GetEaseFunction(ease: string | Function, easeParams?: number[]): Function
This internal function is used to return the correct ease function for a Tween.

It can take a variety of input, including an EaseMap based string, or a custom function.
Parameters
- ease: string | Function
  The ease to find. This can be either a string from the EaseMap, or a custom function.
- OptionaleaseParams: number[]
  An optional array of ease parameters to go with the ease.
Returns Function
- Defined in node_modules/phaser/types/phaser.d.ts:114611