old/PAS/OLD/CIRCLE.PAS

Uses Mytpu,CRT,Graph;
Const
  MaxValues = 6;
Type ValType = record
 n : integer;
 p : real;
end;
Var
 values  : array [1..MaxValues] of ValType;
 SumVal  : Word;
 I       : byte;
 LastArc : Word;
 Coords  : ArcCoordsType;
{--------====================--------------}
Procedure Iniit;
Var
 i:byte;
Begin
 InitVGA;
 SumVal := 0;
 for i:=1 to MaxValues do
   begin
    values[i].n:=GetValue('Вводите значения',GetMaxX div 2,GetMaxY div 2,1,32767);
    SumVal := SumVal + values[i].n;
   end;
 for i := 1 to MaxValues do values[i].p :=values[i].n/SumVal;
End;{Iniit}
{---------------------------}
Procedure Show3dSlice(StAng,EAng:integer;Show:boolean);
var t:byte;
Begin
    Arc(300,200,stang,eang,100);
    PieSlice(300,200,stang,eang,100);
    SetColor(white);
    GetArcCoords(Coords);
    With coords do
     begin
      SetColor(White);
      Line(300,200,xstart,ystart);
      Line(300,200,xend,yend);
      if stang > 180 then Line(xstart,Ystart,Xstart,Ystart+30);
      if eang > 180 then Line(xend,Yend,Xend,Yend+30);
      if eang > 180 then
        if stang > 180 then
          for t := 1 to 30 do
           begin
            if (t = 1) or (t=30) then Setcolor(white) else SetColor(i);
            Arc(300,199+t,stang,eang,100)
           end
        else
          for t := 1 to 30 do
           begin
            if (t = 1) or (t=30) then Setcolor(white) else SetColor(i);
            Arc(300,199+t,180,eang,100);
           end;
     end;
End;
{---------------------------}
Begin
  Iniit;
  SetAspectRatio(3,5);
  For i := 1 to MaxValues do
   begin
    SetColor(i);
    SetFillStyle(solidfill,i);
    Show3dslice(LastArc,round(LastArc+360*values[i].p),false);
    LastArc:=round(LastArc+360*values[i].p);
   end;
  Line(200,200,200,230);
  ReadKey;
  CloseVGA
End.