blend Library Method
Short Description: Set transparency values/set up blend animation
Signature: x.blend (f,s,[f1],[s1])
Class: Material Class
By using blend and one of the map methods
a texture for the material can be selected.
blend is used to select a Texture Canvas
and the map functions are used to select the relevant part
of that Texture Canvas.
f and s are opacity values for the first and
second Texture Canvas. Per default f=1 and
s=0, i.e. the texture canvas is fully visible and the
alternate canvas is fully transparent i.e. invisible. For
general values of s and f the second
or Alternate Canvas is painted on top of the
first canvas, and so has priority and is shown e.g. if s=1.
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