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%D \module
%D [ file=m-three,
%D version=2017.11.08,
%D title=\CONTEXT\ Extra Modules,
%D subtitle=\METAPOST\ pseudo-3D module support,
%D author=Hans Hagen and Alan Braslau,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\unprotect
\defineMPinstance
[three]
[\s!format=metafun,
\s!extensions=\v!yes,
\s!initializations=\v!yes,
\c!method=\s!double]
\startMPdefinitions{three}
loadmodule "tres" ;
\stopMPdefinitions
\protect
\continueifinputfile{m-three.mkiv}
%D We put this test here as in \type {meta-tex.mkiv} it would abort due to redefinition
%D of namespaces.
\starttext
%D Alan: we need to make a fill example:
\startMPpage[instance=three]
path f ; f := (
projection Origin --
projection (1,0,0) --
projection (1,1,0) --
projection (0,1,0) --
projection (0,1,1) --
projection (1,1,1) --
projection (1,0,1) --
projection (0,0,1) --
cycle
) scaled 5cm ;
fill f withcolor "darkred" ;
path p ; p := (
projection Origin --
projection (1,0,0) --
projection (1,1,0) --
projection (0,1,0) --
projection (0,1,1) --
projection (1,1,1) --
projection (1,0,1) --
projection (0,0,1) --
cycle
) scaled 5cm ;
draw p withcolor .5white ;
for i=0 upto length p :
draw point i of p withpen currentpen scaled 2mm withcolor "lightblue" ;
endfor ;
\stopMPpage
\stoptext
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