Hello :-)
The NSAnimation reference page at developer.apple.com does not explain
everything. As i dont have a Mac i ask for some help.
1) NSAnimation maintains an array of NSAnimationProgress (floats).
[NSAnimation -progressMarks] return a NSArray.
- Is this NSArray a reference to the internal a
Xavier Glattard wrote:
>
> 2) I dont understand the 3 NSAnimationCurve...
> - Are they linear or polynomic functions ?
> - what do 'slowly speeds up' and 'slows down' really mean ?
>
You may think of these function as a sort of gamma corrections for the
progress :-)
"Slowly speeds up" would just
Fred Kiefer gmx.de> writes:
> Xavier Glattard wrote:
> >
> > 2) I dont understand the 3 NSAnimationCurve...
> > - Are they linear or polynomic functions ?
> > - what do 'slowly speeds up' and 'slows down' really mean ?
> >
>
> You may think of these function as a sort of gamma corrections for
Xavier Glattard online.fr> writes:
> 2) I dont understand the 3 NSAnimationCurve...
An other question :
You can change the NSAnimationCurve while an animation is running.
Does the animation _smoothly_ changes to the new curve ?
Or does it 'jump' ?
Thanks again :-)
Xavier
_
On 3/23/07, Xavier Glattard <[EMAIL PROTECTED]> wrote:
Xavier Glattard online.fr> writes:
> 2) I dont understand the 3 NSAnimationCurve...
An other question :
You can change the NSAnimationCurve while an animation is running.
Does the animation _smoothly_ changes to the new curve ?
Or does it
>
> 2) I dont understand the 3 NSAnimationCurve...
> - Are they linear or polynomic functions ?
> - what do 'slowly speeds up' and 'slows down' really mean ?
>
They're certainly polynomial, but in fact they may not fit any
finite-order polynomial function (may be sinusoidal for instance). I
agree
>
> un dessin est mieux qu'un long discours :-)
A picture is worth a thousand words ;-)
>
> Linear : EaseIn : EaseOut: EaseInOut:
>
> | + | + | +++ |++
> |+| + | ++ | ++
> | + | + |+
Nicolas Roard gmail.com> writes:
> On 3/23/07, Xavier Glattard online.fr> wrote:
> > Xavier Glattard online.fr> writes:
> >
> > > 2) I dont understand the 3 NSAnimationCurve...
> >
> > An other question :
> >
> > You can change the NSAnimationCurve while an animation is running.
> > Does the an
thaesofereode.info> writes:
> > 2) I dont understand the 3 NSAnimationCurve...
> > - Are they linear or polynomic functions ?
> > - what do 'slowly speeds up' and 'slows down' really mean ?
> >
>
> They're certainly polynomial, but in fact they may not fit any
> finite-order polynomial function
> 2) Does MasOs use Bezier curves ? (do we care ?)
Don't know (no), is my answer. NSAnimation on OS X only allows the curve
to be one of the predefined NSAnimationCurve constants (it's an enum
defined in NSAnimation.h), so the implementation details are completely
unimportant. All you know is t
Xavier Glattard wrote:
> thaesofereode.info> writes:
>
>>> 2) I dont understand the 3 NSAnimationCurve...
>>> - Are they linear or polynomic functions ?
>>> - what do 'slowly speeds up' and 'slows down' really mean ?
>>>
>> They're certainly polynomial, but in fact they may not fit any
>> finite
Fred Kiefer gmx.de> writes:
>
> Xavier Glattard wrote:
> > thaesofereode.info> writes:
> >
> >>> 2) I dont understand the 3 NSAnimationCurve...
> >>> - Are they linear or polynomic functions ?
> >>> - what do 'slowly speeds up' and 'slows down' really mean ?
> >>>
> >> They're certainly polyn
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