[X3D-Public] What is the behavior of Touch/Drag sensors when occluded?

[Dave A]

Bingo! Prize to Zlatomir and hugs to Bitmanagement!

Dave A.

On 5/12/2012 2:35 AM, Zlatomir Zarkov wrote:
> Hello Dave,
>
> There is a Selection node in Contact for that purpose, it is
> similar to Collision.
>
> regards,
> Zlatomir
>
>
>> Let's say you have an object that has a TouchSensor on it. It happens to
>> be behind a (let's say) semi-transparent object. Maybe that material has
>> a texture that looks like chain-link fence or maybe it's a window.
>>
>> Should I be able to touch it?
>>
>> I don't see anything in the spec that really addresses this.
>>
>> What I would hope for in a knee-jerk way is, it would let me pick
>> 'through' transparent textures. But I realize this is a dicey
>> proposition to make a blanket rule.
>>
>> So my next thought is that it would let me pick through anything that
>> doesn't also have a sensor like that on it. But again, easy to find
>> examples of why that's not good.
>>
>> So ultimately, what I expect, is some sort of boolean or node or
>> something that says 'ignore for picking' or something to that effect.
>>
>> Anyone know if Contact has such an option?
>>
>> Dave A
>>
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>>
>
> --
> Zlatomir Zarkov
> e-mail: zzarkov at vrinternal.com
> http://www.vrinternal.com/
>
>
>
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