Forums > Jitter

alpha channel with jit.gl.sketch


portenawak
September 6, 2010 | 3:01 pm

I want to use a colored plane on an opengl layer, i have video in layer 1 and i want to use the transparency of a plane on the layer 2.
I try "jit.gl.sketch @layer 2" and "jit.gl.videoplane @layer 1", i can see the form (the plane), but when I change the alpha channel nothing happened on the transparency of this plane… does someone can help me ?

thanks


Joshua Kit Clayton
September 7, 2010 | 11:30 pm

Sounds like a depth buffer issue (search the archives), but if not, you need to provide a simple example patch which illustrates the problem. Otherwise, we’re just speculating.

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