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unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls;
type
{ TForm1 }
TForm1 = class(TForm)
StartStopBtn: TButton;
Screen: TPaintBox;
procedure ScreenPaint(Sender: TObject);
procedure StartStopBtnClick(Sender: TObject);
private
const FieldWidth = 30;
FieldHeight = 25;
var Field: array [0 .. FieldWidth + 1, 0 .. FieldHeight + 1] of Boolean;
Changes: array [0 .. FieldWidth + 1, 0 .. FieldHeight + 1] of Boolean;
Rx, Ry: Integer;
public
end;
var
Form1: TForm1;
IsRunning: Boolean;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.StartStopBtnClick(Sender: TObject);
var x, y, offset: Integer;
s, i, j: Integer;
u, v: Integer;
begin
if IsRunning then
begin
IsRunning := false;
StartStopBtn.Caption := 'Пуск';
Exit;
end;
StartStopBtn.Caption := 'Стоп';
IsRunning := true;
Rx := (Screen.Width div FieldWidth) div 2;
Ry := (Screen.Height div FieldHeight) div 2;
{ Очистка поля }
for i := 0 to FieldWidth + 1 do
for j := 0 to FieldHeight + 1 do
begin
Field[i, j] := false;
Changes[i, j] := false;
end;
{ Здесь внести строки, задающие конфигурацию инфузорий }
offset := 1;
Field[offset + 0, 10] := true;
Field[offset + 1, 10] := true;
Field[offset + 2, 9] := true;
Field[offset + 2, 11] := true;
Field[offset + 3, 10] := true;
Field[offset + 4, 10] := true;
Field[offset + 5, 10] := true;
Field[offset + 6, 10] := true;
Field[offset + 7, 9] := true;
Field[offset + 7, 11] := true;
Field[offset + 8, 10] := true;
Field[offset + 9, 10] := true;
while IsRunning do
begin
Screen.Invalidate;
for x := 1 to FieldWidth do
for y := 1 to FieldHeight do
begin
s := 0;
for i := -1 to 1 do
for j := -1 to 1 do
begin
if (x = 1) and (i = -1) then
u := FieldWidth - 1
else if (x = FieldWidth - 1) and (i = 1) then
u := 1
else
u := x;
if (y = 1) and (j = -1) then
v := FieldHeight - 1
else if (y = FieldHeight - 1) and (y = 1) then
v := 1
else
v := y;
s := s + Ord(Field[u + i][v + j]);
end;
s := s - Ord(Field[x][y]);
{ Если произошло рождение или смерть }
if ((Field[x, y] = false) and (s = 3)) or
((Field[x, y] = true) and ((s < 2) or (s > 3))) then
Changes[x, y] := true;
end;
{ Внесение изменений }
for x := 1 to FieldWidth do
for y := 1 to FieldHeight do
begin
if Changes[x, y] then
begin
Field[x, y] := not Field[x, y]; { Меняем состояние на }
Changes[x, y] := false; { противоположное }
end;
end;
Sleep(100);
Application.ProcessMessages;
if Application.Terminated then
IsRunning := false;
end;
end;
procedure TForm1.ScreenPaint(Sender: TObject);
var i, j: Integer;
begin
for i := 1 to FieldWidth do
for j := 1 to FieldHeight do
begin
if Field[i, j] then
Screen.Canvas.Pen.Color := clBlue
else
Screen.Canvas.Pen.Color := clBtnFace;
Screen.Canvas.Ellipse((2 * i - 1) * Rx - Rx, (2 * j - 1) * Ry - Ry,
(2 * i - 1) * Rx + Rx, (2 * j - 1) * Ry + Ry);
end;
end;
end.
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