Enumeration Case

SKActionTimingEaseInEaseOut

Specifies ease-in ease-out pacing. An ease-in ease-out animation begins slowly, accelerates through the middle of its duration, and then slows again before completing.

Declaration

SKActionTimingEaseInEaseOut

Discussion

By creating two separate actions, a moveToX:duration: and a moveToY:duration:, and setting the former to SKActionTimingEaseInEaseOut, you can visualize the effect of this timing mode by tracing the path of a circular shape node running the actions in a group:

Visualizing ease-in ease-out pacing