main.cpp

#include <SFML/Graphics.hpp>
#include <stdlib.h>     /* srand, rand */
#include <time.h>       /* time */
#include <iostream>
#include <array>

class Node : public sf::CircleShape {
public:
	bool isAlive() {
		return alive;
	}
	void birth() {
		alive = true;
	}
	void kill() {
		alive = false;
	}
private:
	int width = 5;
	int height = 5;
	bool alive = false;
};

int main(){
	int iSecret;

	/* initialize random seed: */
	srand(time(NULL));

	/* generate secret number between 1 and 10: */

	std::array<std::array<Node, 100>, 100> grid;

	sf::RenderWindow window(sf::VideoMode(640, 480), "SFML Application");

	for (int i = 0; i < 100; i++)
	{
		for (int j = 0; j < 100; j++)
		{
			iSecret = rand() % 10 + 1;
			if (iSecret < 2) {
				grid[i][j].birth();				
			}
		}
	}

	while (window.isOpen()){

		sf::Event event;
		while (window.pollEvent(event)){

			if (event.type == sf::Event::Closed)
				window.close();
		}

		window.clear();

		for (int y = 0; y < 100; y++)
		{
			for (int x = 0; x < 100; x++)
			{
				if (grid[y][x].isAlive()) {
					grid[y][x].setRadius(3.f);
					grid[y][x].setPosition(0.f + (6.f * y), 0.f + (6.f * x));
					grid[y][x].setFillColor(sf::Color::Cyan);
					window.draw(grid[y][x]);
				}
			}
		}
		
		window.display();
	}

}

/*

int coint = 0;
if (grid[u - 1][h].isAlive()) {
coint++;
}

if (grid[u - 1][h + 1].isAlive()) {
coint++;
}

if (grid[u][h + 1].isAlive()) {
coint++;
}

if (grid[u + 1][h + 1].isAlive()) {
coint++;
}

if (grid[u + 1][h].isAlive()) {
coint++;
}

if (grid[u + 1][h - 1].isAlive()) {
coint++;
}

if (grid[u][h - 1].isAlive()) {
coint++;
}

if (grid[u - 1][h - 1].isAlive()) {
coint++;
}

if (coint < 2 || coint > 3) {
grid[u][h].kill();
}

if (coint == 2) {
grid[u][h] = grid[u][h];
}

if (coint == 3) {
grid[u][h].birth();
}

if (grid[u][h].isAlive()) {
grid[u][h].setRadius(3.f);
grid[u][h].setPosition(0.f + (6.f * u), 0.f + (6.f * h));
grid[u][h].setFillColor(sf::Color::Cyan);
window.draw(grid[u][h]);
}
*/