[PD] transparency in models

Jack jack at rybn.org
Sat Apr 5 16:20:48 CEST 2008


In fact, it's not very good, because the position depends on the  
center of the geos.
But it can be useful in certain case.
++

Jack


Le 5 avr. 08 à 15:23, Jack a écrit :

> Hello Roman, Marius, Niko and list !
> Here a small patch for this problem.
> Sorry, i have not enough time for a patch with dynamic creation of  
> geos.
> ++
>
> Jack
>
> <testorder1.pd>
> Le 5 avr. 08 à 13:06, Roman Haefeli a écrit :
>
>> On Sat, 2008-04-05 at 12:47 +0200, niko wrote:
>>> hi H, list
>>> in my experience the proper order of objects is
>>
>> as far as i understand marius, he doesn't have troubles with
>> implementing transparency in general. the problem is rather, that  
>> if you
>> have a cube for example and you apply a texture with transparency  
>> to it,
>> it works well, but if you rotate the cube around 180°, transparency
>> doesn't work anymore. or more correct: transparent parts of the  
>> plane in
>> front don't show parts of the plane behind, but of the background (or
>> whatever was rendered first _and_ is behind the front plane).
>>
>> sorry, if i repeat myself, but i have troubles finding a better
>> explanation.
>>
>>
>> roman
>>
>>
>>> gemhead
>>> I
>>> pix_image
>>> I
>>> alpha 1
>>> I
>>> colorRGB
>>> I
>>> pix_texture
>>> I
>>> model
>>>
>>> you can then play with the last inlet of [colorRGB] to fade in/out
>>> geos/models. Correct me if im wrong - [alpha 1] should be before
>>> [pix_texture] in the chain to be rendered correctly.
>>> here are two of my patches using a lot of transparency tricks,  
>>> hope this
>>> helps
>>>
>>> www.njeremic.ecobytes.net/files/vj-live1.zip
>>> www.njeremic.ecobytes.net/files/baum_pd_patch.zip
>>>
>>> greetings
>>> n.
>>
>>
>>
>> 	
>> 		
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