Keeping relationships during a drag event.

[Chipp Walters]

Hi Glen,

I'd use the mouseMove handler and update the line and fld while dragging 
the image around.

Put this in the msg:

go URL "http://www.altuit.com/webs/altuit2/RunRev/ForGlen.rev"

or you can find a copy of the stack at:
http://www.altuit.com/webs/altuit2/RunRev/Misc.htm

best,

Chipp


Glen Bojsza wrote:

> The basic description of what I am working to achieve is the following.
> 
> I have 2 images (car1 and car2) that are connected by a line.
> 
> When the user drags car1 to a different position on the card the
> line's points are updated and to the user it appears that the images
> are still connected (the idea is a "sticky" line.
> 
> What I am trying to figure out is that  I want a field  to be placed
> at the center on the line and it needs to maintain that relationship
> with the line whenever  the image locations are changed.
> 
> The problem is that as the user drags an image around the line and
> it's associated field need to move / update smoothly.
> 
> I am looking at grouping the line and field verses taking the points
> of the line and recalculating the new location of the field.
> 
> I was hoping someone would have some experience in this area.