EnigmA Amiga Run 1995 November/EnigmA AMIGA RUN 02 (1995)(G.R. Edizioni)(IT)[!][issue 1995-11][Skylink CD].iso/earcd/docs/lwml9505.lha/LWML9505.TXT/[e-mail]_Sun May 21 12:20:56 1995.msg

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James Hastings Trew writes:
>Imagine does not have "colour maps" or "transparency maps" or "bump maps"
>-- it only has textures, which can do all of these things and more.
>Textures are applied in order. So, for example, the object is given a base
>colour, and then texture 1 can either modify or replace that colour, and
>then texture 2 modifies or replaces the colour that texture 1 came up with,
>and then texture 3 modifies or replaces what texture 2 came up with, and so
>on.

    OK.  Now, how is the precedence of the effect determind?  To my ears,
    it seems that there must be some kind of implicit or explicit alpha
    channel defining how the each texture affects the previous texture.

    And, of course, how is it placed?  In TrueSpace, you can see a rep-
    resentation of the bitmapular  :^)  rectangle.  Is something similar
    happening in Imagine?  Of course, for procedural stuff I assume there's
    another system.


>[e-mail] (James Hastings-Trew) sent this message.

    Thanks for the info, James!


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