On Thu, Dec 10, 2015 at 11:47 PM, tim Rowledge <tim at rowledge.org> wrote:

> Has anybody used the #grabTransform message that is sent by HandMorph as
> part of picking up a Morph? Every use I can find of it seems to set it to
> an Identity transform and trying to use it for make my dragged morph appear
> half-size is not working in a very understandable manner.
>

I think this is used for moving a morph that is transformed and also
grabbing a duplicated morph that is transformed.


> HandMorph>grabMorph:from: is the major player here; it asks the
> formerOwner for the grabTransform (without specifying for which grabbed
> morph, which seems odd) and uses that along withe formerOwner’s transform
> to do things to the grabbed morph. If I make my owner-morph implement
> grabTransform to return an identity transform, the grabbing works as
> normal. If I provide atransform that does any scaling (which is what I want
> to use) then
> a) the positions and offsets get all screwy
> b) dropping doesn’t work the same - you have to drop the morph and then
> click-release again to get it to actually drop. That part really confuses
> me right now.
>
> Maybe attachMorph: will work easier as you can do the trickery to the
morph and just attach it to the hand ?

Best,
Karl


I doubt this code was stuck in for the fun of it so I feel sure somebody
> must have had a use for it in the past. Does anyone remember anything about
> it?
>
> Oh joy; power cut. Hopefully the UPS will last long enough to get this
> sent.
>
> tim
> --
> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
> Useful random insult:- Overdue for deincarnation.
>
>
>
>
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