SCNActionTimingFunction
The signature for a block that manages animation timing, used by the Timingfunction property.
Declaration
typealias SCNActionTimingFunction = (Float) -> FloatDiscussion
The block takes a single parameter:
- time
A fraction of the action’s The input value for the timing function, as determined by the timingMode property and the action’s current progress.
Your block must return a floating-point value between 0.0 and 1.0, where 0.0 represents the starting state of the action’s animation and 1.0 represents the end state.