[PD] [Gem] Alpha: transparency only in one direction?

IOhannes m zmoelnig zmoelnig at iem.at
Thu Dec 1 16:34:18 CET 2005


chris clepper wrote:
> On 12/1/05, Roman Haefeli <reduzierer at yahoo.de> wrote:
> 
>>sorry for my language.
>>i see that one can change the execution order dynamically, but this
>>doesn't help in the case when two rectangles cross each other (like an
>>'X'). then you have at the same time the first AND the second rendered
>>rectangle in front, but only one part is transparent.
>>
>>roman
> 
> 
> You need 4 rectangles to do that properly.  This is one of the oldest
> problems in 3D rendering.

and use [pix_coordinate] to set up the textures correctly (i think this 
is your problem with textures)

mfg.as.dr
IOhannes




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