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Fading a PNG texture with alpha
I am trying to add a png file on a separate texture unit and fade it in and out. For some reason Vizard does not recognize the transparent part of PNG as having alpha 0 (100% transparent), but rather as completely black. Using texblend has also no impact on this area, neither does setting the appearance to different values.
What's the problem? And can you actually fade in/out a texture, keeping the underlying one (unit=0) totally opaque? |
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