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I remember having spotted a link to a huge page with different equations to non linear interpolation curves, for example if you want to stop a car smoothly, etc.

Those can sometime be useful to emulate some real-world acceleration/velocity behaviors without the help of a physics engine, which can really simplify the code.

Any idea where this page is ? I can't manage to give google the right keywords...

EDIT: I just searched on my previous laptop bookmarks, and I found it:

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closed as too broad by Josh Petrie Dec 16 '14 at 18:57

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

and sorry if the question gets closed, but I'll put the link in the wiki, that's like the #1 thing I think is important to progammers when thinking about maths. – jokoon Apr 18 '11 at 15:53
Since that link is actually an answer to your question, you should post it as an answer to your own question. – doppelgreener Apr 19 '11 at 6:59

If you had searched for "easing formulas" it would've been the first result.

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While this is useful, I think jokoon was looking for a specific page, and I do not think that this is the page he was looking for. – AttackingHobo Apr 19 '11 at 0:07
It's not that one but it has the equations, so that's good :) – jokoon Apr 19 '11 at 6:21
up vote 3 down vote accepted

I found it mate.

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There is a realtime WYSIWYG interpolation editor:

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