On 7/13/2021 12:25 PM, Jeong Dal wrote:
Dear Hans, Aditya,
Now, I understand the stacking method.
I made a simple animation using it.
\startuseMPgraphic{demo}
for i=1 upto 10:
draw fullcircle scaled (.3*i*cm) withcolor (.1*i*red) withpen pencircle
scaled (.5*bp) withstacking i;
endfor;
\stopuseMPgraphic
\setupinteraction[state=start]
\usemodule[animation]
\starttext
\startanimation[menu=yes]
% \dorecurse{10}
% { {\useMPgraphic[stacking={#1}]{demo}}}
{\useMPgraphic[stacking={1}]{demo}}
{\useMPgraphic[stacking={2}]{demo}}
{\useMPgraphic[stacking={3}]{demo}}
{\useMPgraphic[stacking={4}]{demo}}
{\useMPgraphic[stacking={5}]{demo}}
{\useMPgraphic[stacking={6}]{demo}}
{\useMPgraphic[stacking={7}]{demo}}
{\useMPgraphic[stacking={8}]{demo}}
{\useMPgraphic[stacking={9}]{demo}}
{\useMPgraphic[stacking={10}]{demo}}
\stopanimation
\stoptext
However, I cannot succeed to use \dorecurse to make the code simple.
If there is another good method, please let me know.
Anyway, thanks for this new feature!
How about:
\startuseMPgraphic{demo}
for i=1 upto 10:
draw fullcircle scaled (i*cm/3)
withcolor (i*red/10)
withpen pencircle scaled (bp/2)
withstacking i
;
endfor ;
\stopuseMPgraphic
\unprotect
\tolerant\protected\def\useMPanimation[#1]#2%
{\begingroup
\scratchtoks\emptytoks
\dorecurse{10}{\etoksapp\scratchtoks{{\useMPgraphic[\c!stacking={\recurselevel}]{#2}}}}%
\expanded{\startanimation[#1]\the\scratchtoks\stopanimation}%
\endgroup}
\protect
\setupinteraction[state=start]
\usemodule[animation]
\starttext
\useMPanimation[menu=yes]{demo}
\stoptext
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Hans Hagen | PRAGMA ADE
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