Transparency
From polycount
Revision as of 19:00, 31 December 1969 by (Talk)
Transparency
Additive Transparency
File:Transparency$additive.jpg File:Transparency$additive.jpg
The flames on this burning bed are using additive transparency to keep the colors "hot."
See additive color model.
Alpha Transparency
Alpha Bit Depths
Subtractive Transparency
File:Transparency$additive.jpg File:Transparency$additive.jpg
The x-rays on this light-table use subtractive transparency to make things under them darker, the way real x-rays do. The subtractive method isn't used all that often, so if you need it you should ask your programmer(s) if they can add it as a specific feature of the engine.