Irregular shaped buttons redux
Judy Perry
jperryl at ecs.fullerton.edu
Wed Nov 17 11:55:44 EST 2004
Thanks, Scott. I think it should work. I had thought about using the
transparent portions of a rectangular image that way with the intersect
function but transparencies don't work that way apparently with that
function but they do with another and with respect to mouse events. :(
I'll have a look at it.
Thanks again!
Judy
On Tue, 16 Nov 2004, Scott Rossi wrote:
> Recently, Judy Perry wrote:
>
> > I think I've come across a situation in which I really will need an
> > irregularly-shaped button. It's for using the intersection function; it's
> > okay for one of the objects to be rectangular but not the other as it
> > represents 'obstacles' on an orthoscopic map.
> >
> > Any ideas?
>
> If you need to simulate collision detection with an irregular object/edge,
> you could use the within() function to test a point location within a
> transparent image. The within() function will only return true when the
> point is within an opaque region of the image.
>
> Would that work?
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