LogisticMap

# include <Siv3D.hpp>
void Main()
{
	Window::Resize(800, 400);
	double a, x, x0;
	int xa, ya;
	x0 = 0.0001;

	Image lm(800, 400, Palette::Black);

	for (a = 1, x = x0; a < 4.0; a = a + 0.004){
		xa = a * 200;
		for (int i = 0; i < 400; i++){
			x = a * x * (1 - x);
			ya = 400 - x * 400;
			lm[ya][xa] = Palette::White;
		}
	}
	Texture texture(lm);
	while (System::Update())
	{
			texture.draw();
	}
}