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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 Integer;
{ TForm1 }
TForm1 = class(TForm)
Screen: TPaintBox;
StartStopBtn: TButton;
procedure ScreenPaint(Sender: TObject);
procedure StartStopBtnClick(Sender: TObject);
private
var Rx, Ry: Integer; { Ширина, высота клекти }
Field: TField;
x, y: Integer;
public
end;
var
Form1: TForm1;
IsRunning: Boolean;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.StartStopBtnClick(Sender: TObject);
var i, j: Integer;
protoplasmCount, infusoria: Integer;
direction, positionX, positionY, energy: 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
Field[i, j] := 0;
while IsRunning do { Основной цикл }
begin
x := RandomRange(1, FieldWidth); { Выбираем случайную клекту }
y := RandomRange(1, FieldHeight);
{ Подсчитываем соседей }
infusoria := 0;
protoplasmCount := 0;
for i := -1 to 1 do
for j := -1 to 1 do
begin
if Field[x + i][y + j] = -2 then
begin
Inc(protoplasmCount);
end
else if Field[x + i][y + j] = -1 then
begin
Inc(infusoria);
end;
end;
if Field[x][y] = -1 then
Dec(infusoria);
if (Field[x, y] = 0) and (infusoria > 2) then { Создаем новую инфузорию }
begin
Field[x, y] := -1;
end
{ Удаляем инфузорию }
else if (Field[x, y] = -1) and ((infusoria < 3) or (infusoria > 4)) then
begin
Field[x, y] := 0;
end
{ Создаем инфузория, если достаточно протоплазмы }
else if ((Field[x, y] = 0) or (Field[x, y] = -2)) and
(protoplasmCount > 6) then
begin
for i := -1 to 1 do
for j := -1 to 1 do
if Field[x + i, y + j] = -2 then
Field[x + i, y + j] := 0;
Field[x, y] := -1;
end
{ Создаем протоплазму, если клетка пустая }
else if Field[x, y] = 0 then
begin
Field[x, y] := -2;
end
{ Животное двигается }
else if Field[x, y] > 0 then
begin
direction := Random(4);
energy := Field[x, y];
case direction of
0:
begin
positionX := x - 1;
positionY := y;
end;
1:
begin
positionX := x + 1;
positionY := y;
end;
2:
begin
positionX := x;
positionY := y - 1;
end;
3:
begin
positionX := x;
positionY := y + 1;
end;
end;
if Field[positionX, positionY] = 0 then
Dec(energy)
else if Field[positionX, positionY] = -1 then
Inc(energy)
else if Field[positionX, positionY] > 0 then
energy := energy + Field[positionX, positionY];
Field[x, y] := 0;
if energy > 0 then
Field[positionX, positionY] := energy
end;
{ Создаем животных }
for i := 1 to FieldWidth do
begin
for j := 1 to FieldHeight do
begin
if (Field[i - 1, j] = -1) and
(Field[i, j] = -1) and (Field[i + 1, j] = -1) then
begin
Field[i - 1, j] := 0;
Field[i, j] := 5;
Field[i + 1, j] := 0;
end
else if (Field[i, j - 1] = -1) and
(Field[i, j] = -1) and (Field[i, j + 1] = -1) then
begin
Field[i, j - 1] := 0;
Field[i, j] := 5;
Field[i, j + 1] := 0;
end;
end;
end;
Screen.Invalidate;
Sleep(5);
Application.ProcessMessages;
if Application.Terminated then Exit;
end
end;
procedure TForm1.ScreenPaint(Sender: TObject);
var i, j: Integer;
begin
Screen.Canvas.Pen.Color := clBlue;
for i := 1 to FieldWidth do
begin
for j := 1 to FieldHeight do
begin
if Field[i][j] = -1 then
begin
Screen.Canvas.Pen.Color := clBlue;
Screen.Canvas.Ellipse((2 * i - 1) * Rx - Rx, (2 * j - 1) * Ry - Ry,
(2 * i - 1) * Rx + Rx, (2 * j -1) * Ry + Ry);
end
else if Field[i][j] = -2 then
begin
Screen.Canvas.Pen.Color := clGreen;
Screen.Canvas.Ellipse((2 * i - 1) * Rx - Rx, (2 * j - 1) * Ry - Ry,
(2 * i - 1) * Rx + Rx, (2 * j -1) * Ry + Ry);
end
else if Field[i][j] > 0 then
begin
Screen.Canvas.Pen.Color := clYellow;
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;
end;
end.
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