sinusoida

#include <SFML/Graphics.hpp>
#include <iostream>
#define H 800
#define W 800
#define D 10
#define pi 3.14159265359
int A = 1;
int f = 10;
float T = 0.1;
float fp = 10000;

using namespace std;

int main()
{
	int xx[] = { D,D,W - D,W - D,D };
	int yy[] = { D,H - D,H - D,D,D };


	// Create the main window
	sf::RenderWindow window(sf::VideoMode(800, 800), "SFML window");


	sf::VertexArray linie(sf::Lines);
	for (int i = 0; i<4; i++)
	{
		linie.append(sf::Vector2f(xx[i], yy[i])); // początek
		linie.append(sf::Vector2f(xx[i + 1], yy[i + 1])); // koniec
	};

	sf::VertexArray wspolrzedne(sf::Lines);
	wspolrzedne.append(sf::Vector2f(D, H / 2));
	wspolrzedne.append(sf::Vector2f(W - D, H / 2));
	int N = T*fp + 1;
	float* y;
	y = new float[N];
	int Bx = D;
	int Ax = (W - 2 * D) / T;
	int Ay = (H - 2 * D) / (-2 * A);
	int By = (D - Ay*A);

	sf::VertexArray points(sf::Points);
	int i = 0;
	for (float t = 0; t <= T; t = t + (1/fp)) {
		cout << "Pi: " << t << endl;
		float x = sin(2 * pi *f*t);
		y[i] = (A*x);
		points.append(sf::Vector2f(Ax*t + Bx, Ay*y[i] + By));

	}

	// Start the game loop
	while (window.isOpen())
	{
		// Process events
		sf::Event event;
		while (window.pollEvent(event))
		{
			// Close window : exit
			if (event.type == sf::Event::Closed)
				window.close();
		}

		// Clear screen
		window.clear();
		window.draw(linie);
		window.draw(wspolrzedne);
		window.draw(points);

		// Update the window
		window.display();
	}

	delete[] y;
	return EXIT_SUCCESS;
}