[Xerte] Re: Drag and drops

[Julian Tenney]

hitTest returns true or false. True means even one pixel overlaps.

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 28 January 2011 14:26
To: Xerte list
Subject: [Xerte] Re: Drag and drops


So there's no way to hide from a hitTest?

________________________________
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Date: Fri, 28 Jan 2011 14:09:02 +0000
Subject: [Xerte] Re: Drag and drops
'completely within the target': hit test will trigger on overlapping.

Are the targets rectangular? That will help with the checking.

I'd probably have the target respond, then test, then don't do anything if not in the target. Those response won't be triggered quickly in succession, so speed probably isn't an issue...

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 28 January 2011 14:07
To: Xerte list
Subject: [Xerte] Re: Drag and drops


Nothing fancy, just don't want the target to accept the item unless the item is completely within target.

I know I can do a set of conditions based on xywh to see if the thing is completely within, but was wondering if there might be an intrinsic way.

I was hoping for no bleed then I could just test if the object was still hitting background, but you're right, it's not fussy.

________________________________
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Date: Fri, 28 Jan 2011 13:56:53 +0000
Subject: [Xerte] Re: Drag and drops
You want to constrain it to only move over the target? Or to only register the event when dropped over the target, other drops don't do anything / something different?

hitTest isn't fussy about layers, I think.

What's the scenario?

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 28 January 2011 13:54
To: Xerte list
Subject: [Xerte] Drag and drops


Such fun for a Friday!

I'm thinking about using a combination of target areas and hitTest to do some drag/drop things.

Couple questions:
 - Any way to constrain things so a dragged object has to be totally within the target area before it registers a hit?

 - Do hitTests penetrate layers?
e.g. if I had a mask covering the screen and a target represented by a graphic in the next icon, if I drag an item completely onto the graphic will it register a hittest for both?






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