Tom

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< OLG Seifhennersdorf < fächerverbindender Unterricht-Pi

Archivierte Version vom 2011-01-29T12:52:16+00:00. Aktuelle Version

var Pie:String;
    key:integer;
    dauer:integer;
    c:Char; k:Char;
    i,posx,z:Integer;

canvas_clear();
Pie :=  '3.141592653589793238462643383279502884197169399375105820974944592307816406286208998' ;

selectSound(89); // 19. MIDI organ
posx:=0;
z:=2*((length(Pie)-2) div 2);
for i := 3 to z+1 do begin
if i mod 2 = 1 then begin
  c := Pie[i];
  k := Pie[i+1];

if c='0' then key:=5;
if c='1' then key:=28;
if c='2' then key:=48;
if c='3' then key:=26;
if c='4' then key:=90;
if c='5' then key:=80;
if c='6' then key:=64;
if c='7' then key:=38;
if c='8' then key:=127;
if c='9' then key:=90;
if (k='0') or (k='1') or (k='2') then  dauer:=50 div 1;
if (k='3') or (k='4') or (k='5') then  dauer:=120 div 2;
if (k='6') or (k='7') or (k='8') then  dauer:=40 div 4;
if (k='9') then  dauer:=65 div 2;

  
  
canvas_fillRect(posx,80-(key-60)*4,dauer,10);           
  posx := posx + dauer+5;
  sound_play(key,dauer*10);
end; 
end;

Tom

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