Log scales = animation scales?

David Bovill david at openpartnership.net
Sat Jul 14 21:27:41 EDT 2007


I am playing with some animation "zoom" effects - and have a maths question.
Say I want to scale something between 1 and 72 in10 steps - so i need to
generate a series of numbers between 1 and 72. Now i could just say each
step is 7 - but more natural would be for it to start slower and get faster
so i want an exponential series with 10 steps or something like that :)

Are there any ideas for natural type movements - straight acceleration
(maybe with ease in and / or ease out)?



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