> Ned Konz wrote:
> 
> > On Sunday 25 April 2004 12:33 am, Lothar Schenk wrote:
> > > How can I restrict the path of an eToy that's in the process of being
> > > dragged to an allowed region, or alternatively to avoid conflict with
> > > other eToys as obstacles?
> >
> > First, you have to avoid having the morph dragged around by the hand,
> > because it's much harder to control its position if the hand is dragging
> > it.
> 
> I see. :)
> 
> > Turn on "resist being picked up" from the menu.
> >
> > Now if you make a script that is triggered on mouse down you could check
> > the world's mouseX and mouseY.
> >
> > You can also put a morph in a container and constrain its bounds that
> way
> > (you can use obtrudes to test), or use overlaps to test whether it's
> above
> > another.
> >
> > The attached image is one way to do something like this:
> >
> > the blue Rectangle is locked in place. It could be transparent to make
> it
> > invisible if you want.
> >
> > the roundRectangle has two scripts (shown). It's got "resist being
> picked
> > up" turned on.
> >
> > The result is that you can mouse down on the roundRectangle if its
> center
> > is inside the Rectangle, and you can drag the roundRectangle as long as
> the
> > mouse is within the bounds of the Rectangle.
> >
> > Avoiding other morphs can be done with overlaps, colorSees, or touchesA
> > (and probably other ways too).
> 
> Thank you. This example already goes a long way toward what I want to
> achieve.
> 
> Lothar
> 
> 

-- 
wj at skripz.de

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