#include <string>
#include <iostream>

#include "cloud.h"

Cloud::Cloud(std::string player, float x, float y, float r)
  : player{player}, x{x}, y{y}, r{r}
{
}

bool Cloud::overlaps(Cloud const& o) const
{
  return (sq(x-o.x) + sq(y-o.y)) < sq(r+o.r);
}
  
void Cloud::consume(Cloud& o)
{
  ++r;
  o.r = 0;
}

bool Cloud::operator>(Cloud const& rhs) const
{
  return r > rhs.r;
}

std::string Cloud::to_string() const
{
  return player + "(" + std::to_string(r) + ")";
}

float Cloud::sq(float v)
{
  return v*v;
}

std::ostream& operator<<(std::ostream& os, Cloud const& c)
{
  return os << c.to_string();
}