#include "vertex.h"

Vertex::Vertex() {
  x = y = 0;
  rank = 2;
}

void Vertex::do_copy(Vertex *v_copy) {
  x = v_copy->x;
  y = v_copy->y;
  rank = v_copy->rank;
}

Vertex::Vertex(fixedpt m_x, fixedpt m_y) {
  x = m_x;
  y = m_y;
  rank = 2;
}

Vertex::~Vertex() {

}


int Vertex::Equals(Vertex *other) {
  if (other == this) return 1;  // Just in case.
  if (other->x == x && other->y == y) return 1;
  return 0;
}


fixedpt Vertex::Distance(Vertex *other) {

  fixedpt x_dist, y_dist, distance;

  x_dist = FSUB(x,other->x);
  y_dist = FSUB(y,other->y);
  distance = FADD(FMUL(x_dist,x_dist),FMUL(y_dist,y_dist));

  return distance;
}