Re: CAShapeLayer and touches?
Re: CAShapeLayer and touches?
- Subject: Re: CAShapeLayer and touches?
- From: "Eric E. Dolecki" <email@hidden>
- Date: Tue, 8 Dec 2009 15:58:21 -0500
I might just say forget it and wire up a UIImageView and have the user drag
that instead. I wanted to use vectors for this, but a PNG might be just as
good. It would be cool to know how to do this someday though.
On Tue, Dec 8, 2009 at 3:52 PM, Eric E. Dolecki <email@hidden> wrote:
> Okay - so how would I use the bounds? I thought I tried that in my initial
> code sample:
>
> if( CGRectContainsPoint([*pointerLayer bounds*], [touch
> locationInView:pointerLayer] )){
>
> or is that part correct and the [touch locationInView:pointerLayer.view]be correct?
>
> Thanks,
> Eric
>
> On Tue, Dec 8, 2009 at 3:48 PM, David Duncan <email@hidden>wrote:
>
>> On Dec 8, 2009, at 12:47 PM, Eric E. Dolecki wrote:
>>
>> > Basically if a user touches the shape layer's path (the UI for the
>> pointer), I'd like the user to be able to slide it left and right. I did not
>> subclass UIView - I am using a rootLayer and using the path within that.
>> CAShapeLayers have hitTests? I haven't seen code like that anywhere yet
>> (Google). Any help appreciated.
>>
>>
>> CAShapeLayer is a subclass of CALayer, and CALayer provides -hitTest:.
>> However, I'm fairly certain that it is based on the layer's geometry
>> (position, bounds, transform) rather than its content.
>> --
>> David Duncan
>> Apple DTS Animation and Printing
>>
>>
>
>
> --
> http://ericd.net
> Interactive design and development
>
--
http://ericd.net
Interactive design and development
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