ios - What is the timing curve for [UIView animateWithDuration:delay:usingSpringWithDamping...] -


the curve uses superficially appears damped oscillator, except able specify duration of animation , ends @ target on time. reaches point regardless of damping set, without either delay @ end or (i don't think) being interrupted @ end.

so, have idea how curve calculated? can done putting more clever coefficients damped spring? want able write own version support ios <7 same quality of behavior, , replicate closely possible.


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