mouse within oval filled area
dixonja at hotmail.co.uk
Sat Nov 12 15:09:29 EST 2011
put the backgroundcolor of me into colorCheck
if the mouseColor = colorCheck then
put "I am inside the coloured bit of control ID no" && the short id of me
> From: admin at FlexibleLearning.com
> To: use-livecode at lists.runrev.com
> Subject: RE: mouse within oval filled area
> Date: Sat, 12 Nov 2011 19:25:16 +0000
> Indeed, John, but not a unique object identifier if more than one grc uses
> the same color. I think I am back to polar coordinates (unfortunately).
> The current engine behaviour is painfully inconsistent with other controls
> whose transparency is immune from mouse events.
> Hugh Senior
> John Dixon wrote:
> > Use the mouseColor ?
> Original message:
> > Has anyone worked out how to test if the mouseLoc is within the filled
> > of an oval graphic (defined by startAngle and arcAngle)? I was thinking
> > polar coordinates, but this assumes a circle and a fixed radius which is
> > necessarily the case. A btter math brain than mine is needed!
> > Hugh Senior
> > FLCo
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