Re: [Plib-users] Transparency?

[Steve B. <sjb...@ai...>]

Tinoshi Kitazawa wrote:
> Hello!
>  
> I've got a problem with the clouds in the sky... I can't figure out why 
> my clouds are ugly and those of sky.cxx are so beautiful... I've copied 
> that code, except for the windowing: now I use PW... It seems that my 
> clouds are not transparent, well, I see them and they are moving well, 
> but they are 'flat', not puffy. Seems that their alpha is set to 1.0, I 
> cannot explain that better. They seem pieces of paper flying through the 
> sky, not vapour. Should I set some OpenGL state? I tried to use glut 
> instead of PW but this is not the answer! It seems to me that in sky.cxx 
> nothing of strange is set up, it's very 'simple', so i don't know what 
> to do... 

Sounds like glAlphaFunc/glAlphaRef are set up differently...or perhaps
glEnable(GL_BLEND) isn't set...or glBlendFunc is wrong.

Hard to know for sure.

---------------------------- Steve Baker -------------------------
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