Dragging an object

[Roger Eller]

This really old info from the archives might help.

https://www.mail-archive.com/use-revolution%40lists.runrev.com/msg10273.html
 On Jul 10, 2014 8:24 PM, "Peter Bogdanoff" <bogdanoff at me.com> wrote:

> Hi,
>
> I want to drag an object around (a group), restricting its Y coordinate
> (set to be a property, “yLocation"). I’m using this script inside the
> object:
>
> on mouseMove
>    if the mouse is down then
>       set the loc of me to (item 1 of the mouseLoc,the yLocation of me)
>    end if
> end mouseMove
>
> However, after moving it sideways, when I click on it again to move it,
> every time it jumps back so that its X coordinate is zero relative to the
> mouseLoc.
>
> This behavior would be fine for a button, but I’m dragging a
> 3000-pixel-wide group.
>
> How can I drag it by clicking on one side of this group?
>
> I tried using the grab command, but I couldn’t seem to be able to restrict
> the Y coordinate with that.
>
> Peter
> UCLA
>
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