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%%%%
%%%% This file belongs to the MFTOEPS package.
%%%%
% ---
% STEREO.MF
% ---
input mftoeps;
input polygons;
eps_mode_setup;
% ---
def soft_polygon (expr n,a) = flex_polygon(n,a-180/n,a+180/n) enddef;
% ---
def write_paths(expr name) =
find_BB for i:=1 upto objects: elem_path[i], endfor elem_path[objects];
write_preamble name;
for i:=1 upto objects:
coeff:=
if objects=1: 0 else: .5(1-cosd(((i-1)/(objects-1))[alpha1,alpha2])) fi;
coeff:=if coeff>.5: 1 else: 0 fi;
fix_fill_cmyk forsuffixes $:=cyan, magenta, yellow: coeff[$1,$2], endfor
coeff[black1,black2];
fill_C elem_path[i];
endfor;
write_postamble;
enddef;
% ---
for ch:=0,1:
beginchar("0",117pt#, 117pt#, 0);
path elem_path[\\];
objects:=100; transitions:=7;
pair cent[\\];
sca1:=.5w; sca2:=.01w;
skew1:=60; skew2:=0;
alpha1:=0; alpha2:=transitions*360;
cshift0:=-.02w; cshift1:=-cshift0;
cent1:=(.5w,.5h);
rot1:=0; rot2:=rot1+60;
cent2:=(.5w+cshift[ch],.49h);
cyan1:=0; magenta1:=0; yellow1:=0; black1:=1;
cyan2:=0; magenta2:=0; yellow2:=0; black2:=0;
for i:=1 upto objects:
if objects=1: coeff:=0; else: coeff:=(i-1)/(objects-1); fi
elem_path[i]:= soft_polygon(4,coeff[skew1,skew2])
scaled (coeff[sca1,sca2])
rotated (coeff[rot1,rot2]+30)
shifted (coeff[cent1,cent2]);
endfor
write_paths(jobname & decimal(ch));
endchar;
endfor
end.
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