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% tdarrow.mp
% L. Nobre G.
% 2004
input featpost3Dplus2D;
beginfig(1);
numeric size, num, i, j, coos[];
string comm;
color tmpc, fro, tip;;
size = 1.5;
num = 250;
draw rp(black)--rp((size,0,0))--rp((size,size,0))--rp((0,size,0))--cycle;
for i=1 upto num:
for j=1 upto 6:
coos[j] := uniformdeviate(size);
endfor;
fro := (coos1,coos2,coos3);
tip := (coos4,coos5,coos6);
comm := "tdarrow(" & cstr(fro) & "," & cstr(tip) & ");";
tmpc := 0.5[fro,tip];
getready( comm, tmpc );
endfor;
doitnow;
endfig;
end.
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