Circle min_circle(Point *p, int n){
int i, j, k; Point t; Circle c = Circle1(p[0]);
/* Randomize point array to avoid doctored input - may modify the
limit on the for loop to increase/decrease randomness */
for(i = 0; i < n; i++){
j = rand() % n;
k = rand() % n;
t = p[j]; p[j] = p[k]; p[k] = t;
}
for(i = 1; i < n; i++) if(!inside(p[i], c)){ c = Circle1(p[i]);
for(j = 0; j < i; j++) if(!inside(p[j], c)){ c = Circle2(p[i],p[j]);
for(k = 0; k < j; k++) if(!inside(p[k], c)) c = Circle3(p[i],p[j],p[k]);}}
return c;
}
int main()
{
sf::RenderWindow Game(sf::VideoMode(800, 600), ".voidswarm");
sf::CircleShape Circle1(50.f);
sf::CircleShape Circle2(50.f);
Circle2.setPosition(200, 200);
Circle1.setFillColor(sf::Color::Blue);
Circle2.setFillColor(sf::Color::Green);
sf::Vector2i localPos1;
sf::Vector2i localPos2;
sf::Event::MouseWheelEvent Wheel_Event;
Wheel_Event.delta=0;
while (Game.isOpen())
{
if (sf::Mouse::isButtonPressed(sf::Mouse::Left))
{
localPos1=sf::Mouse::getPosition(Game);
Circle1.setPosition(localPos1.x-Circle1.getRadius(), localPos1.y-Circle1.getRadius());
}
if (sf::Mouse::isButtonPressed(sf::Mouse::Right))
{
localPos2=sf::Mouse::getPosition(Game);
Circle2.setPosition(localPos2.x-Circle2.getRadius(), localPos2.y-Circle1.getRadius());
}
sf::Event event;
while (Game.pollEvent(event))
{
if (event.type == sf::Event::Closed)
Game.close();
if (event.type == sf::Event::MouseWheelMoved)
{
if(event.mouseWheel.delta>0) Circle1.setRadius(Circle1.getRadius()+5);
else Circle1.setRadius(Circle1.getRadius()-5);
}
}
Game.clear();
Game.draw(Circle1);
Game.draw(Circle2);
Game.display();
}
return 0;
}
