SwarmColor s;
void setup()
{
  size(400, 400, P3D);
  framerate(40);
  s = new SwarmColor();
}
void draw()
{
  background(102);
  if(mousePressed) makebee();
  if(keyPressed && key == 's') s.stop_all();
  s.set_grav_center(mouseX, mouseY, 1);
  s.display();
}

void makebee()
{
  (s.make_bee()).set_pos(mouseX-random(100)+50, mouseY-random(100)+50);
}