pub type SKActionTimingFunction = *mut DynBlock<dyn Fn(c_float) -> c_float>;Available on crate features
SKAction and block2 only.Expand description
A custom timing function for SKActions. Input time will be linear 0.0-1.0 over the duration of the action. Return values must be 0.0-1.0 and increasing and the function must return 1.0 when the input time reaches 1.0.
See also Apple’s documentation