% Change of length into longueur for new modes.mf (Nicolas Brouard 4/11/91)
input musicdef
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                             %
%                   BOGEN (KONVEX)                            %
%                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

def drawslurs(expr i,j) =
    save  jj,factor, longueur, height;
    numeric jj, absp, longueur, height, factor;
    factor:= 1/6;
    height = i*1/2nhh#;
    longueur = j*nhw#;
    if  j<4 : jj := (j*(j-1)+(i-1))*8
    else:    jj := (i-1)*8+(j mod 2)*64+floor((j-2)/2);fi;
    beginchar(jj, longueur, height, 0);
      clear;
      z2r = (w,h);
      z1l = origin;
      absp := abs((-h,w));
      if (factor*absp)>2nhh : factor:= 2nhh/absp fi;
      z3r = 1/2z2l+factor*(-h,w);
      penpos1(thinwidth,90);
      penpos2(thinwidth,90);
      penpos3(5/12beamht,90);
      currentpen := pencircle xscaled thinwidth yscaled beamht ;
      penstroke z1e..z3e..z2e; %statt dir 30
    endchar;
enddef;

%%%%%%%%%%%%%%%%%%%%%%%
% positive Steigungen %
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for j= 1 upto 17:
for i= 1 upto min(2j,8):
drawslurs(i,j);
endfor;endfor;
end;