Jim Graham wrote:
> Hi Charlemagne,
>
> > af.setToTranslation( x, y );
> > }
> > af.setToScale( zoomRatio, zoomRatio );
>
> These methods each erase the prior contents of the af object and
> set it to the indicated transformation only. They are equivalent
> to calling "af.setToIdentity()" just before them. The second
> method cancels out the first which could just as well be deleted
> without affecting anything. Perhaps you meant to use the "scale()"
> method here (which would concatenate a scale on top of the prior
> translate).
how about using translate on top of the scale transform
is there any difference on using scale on top of the translate
transform?
> > af.translate( x, y );
>
> This method, which appears later, concatenates a translation with
> the existing transform of the af object.
>
> The setTo... methods reset the transform and replace it whereas the
> translate,rotate,scale,etc. methods accumulate into the existing
> transformations (in a last-invoked-first-applied order)...
>
> ...jim
thank you very much for your reply, i learned something on it
--
Charlemagne L. Rey
Software Design Engineering
NEC Technologies Philippines, Inc.
--do unto others as you would have them do unto you--
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