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unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
Math;
const FieldWidth = 30; { Ширина и }
FieldHeight = 25; { высота поля }
type
TField = array [0..FieldWidth + 1, 0..FieldHeight + 1] of Boolean;
TPoint = record
x: Integer;
y: Integer;
end;
{ TForm1 }
TForm1 = class(TForm)
Screen: TPaintBox;
StartStopBtn: TButton;
procedure ScreenPaint(Sender: TObject);
procedure StartStopBtnClick(Sender: TObject);
private
procedure UpdateSurface(field: TField; point: TPoint; neighbours: Integer);
var Rx, Ry: Integer; { Ширина, высота клекти }
BlueField, GreenField: TField;
s, v: Integer;
bluePoint, greenPoint: TPoint;
public
end;
var
Form1: TForm1;
IsRunning: Boolean;
implementation
{$R *.lfm}
function CountNeighbours(Field: TField; x: Integer; y: Integer): Integer;
var i, j: Integer;
begin
Result := 0;
for i := -1 to 1 do
for j := -1 to 1 do
Result := Result + Ord(Field[x + i][y + j]);
Result := Result - Ord(Field[x][y]);
end;
{ Выбираем случайную клекту }
function ChoosePoint(): TPoint;
begin
Result.x := RandomRange(1, FieldWidth);
Result.y := RandomRange(1, FieldHeight);
end;
{ TForm1 }
procedure TForm1.StartStopBtnClick(Sender: TObject);
var i, j: 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; { Определяем размеры клетки }
Ry := (Screen.Height div FieldHeight) div 2;
Randomize;
for i := 0 to FieldWidth + 1 do { Очистка поля }
for j := 0 to FieldHeight + 1 do
begin
BlueField[i, j] := false;
GreenField[i, j] := false;
end;
while IsRunning do { Основной цикл }
begin
bluePoint := ChoosePoint();
greenPoint := ChoosePoint();
s := CountNeighbours(BlueField, bluePoint.x, bluePoint.y);
v := CountNeighbours(GreenField, greenPoint.x, greenPoint.y);
Screen.Invalidate;
Sleep(250);
Application.ProcessMessages;
if Application.Terminated then Exit;
end
end;
procedure TForm1.UpdateSurface(field: TField; point: TPoint; neighbours: Integer);
begin
if (field[point.x, point.y] = false) and (neighbours > 2) then { Создаем новую инфузорию }
begin
Screen.Canvas.Pen.Color := clBlue;
Screen.Canvas.Ellipse((2 * point.x - 1) * Rx - Rx, (2 * point.y - 1) * Ry - Ry,
(2 * point.x - 1) * Rx + Rx, (2 * point.y -1) * Ry + Ry);
field[point.x, point.y] := true;
end
else if (field[point.x, point.y] = true) and ((neighbours < 3) or (neighbours > 4)) then { Удаляем }
begin
Screen.Canvas.Pen.Color := clBtnFace;
Screen.Canvas.Ellipse((2 * point.x - 1) * Rx - Rx, (2 * bluePoint.y - 1) * Ry - Ry,
(2 * point.x - 1) * Rx + Rx, (2 * point.y -1) * Ry + Ry);
field[point.x, point.y] := false;
end;
end;
procedure TForm1.ScreenPaint(Sender: TObject);
var i, j: Integer;
begin
Screen.Canvas.Pen.Color := clBlue;
for i := 1 to FieldWidth do { Создаем начальную конфигурацию }
for j := 1 to FieldHeight do
if Random(4) = 0 then { В среднем будет одна инфузория }
begin { на четыре клетки }
BlueField[i, j] := true;
Screen.Canvas.Ellipse((2 * i - 1) * Rx - Rx, (2 * j - 1) * Ry - Ry,
(2 * i - 1) * Rx + Rx, (2 * j - 1) * Ry + Ry);
end;
UpdateSurface(blueField, bluePoint, s);
Screen.Canvas.Pen.Color := clGreen;
for i := 1 to FieldWidth do { Создаем начальную конфигурацию }
for j := 1 to FieldHeight do
if Random(4) = 0 then { В среднем будет одна инфузория }
begin { на четыре клетки }
GreenField[i, j] := true;
Screen.Canvas.Ellipse((2 * i - 1) * Rx - Rx, (2 * j - 1) * Ry - Ry,
(2 * i - 1) * Rx + Rx, (2 * j - 1) * Ry + Ry);
end;
UpdateSurface(greenField, greenPoint, v);
end;
end.
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