OptionaleaseAn optional ease function to use. This can be either a string from the EaseMap, or a custom function.
OptionaleaseAn optional array of ease parameters to go with the ease.
OptionalinterpolationThe interpolation function to use. Typically one of linear, bezier or catmull or a custom function.
The array of number values to interpolate through.
Defines an operation yielding a value incremented continuously across an interpolated data set.