Spatial Games

#include <iostream>
#include <math.h>
#include <vector>

using namespace std;

enum PlayerType { D, C };

class Cell {
public:
  PlayerType type;
  double score;
  Cell () : type(C), score(0) {};
  Cell (PlayerType _type) : type(_type), score(0) {};

  double InterractWith (Cell member) {
    if (member.type == C) {
      if (type == C)
        score += 1;
      else
        score += 1.8;
    }
  }
};
// x = ( (i + x) + size ) % size
// y = ( ((i/size) + y) + size ) % size

void CalculateScores (vector<Cell> grid) {
  int size = sqrt(grid.size());
  for (int i = 0; i < grid.size(); i++) {
    for (int x = -1; x < 2; x++) {
      for (int y = -1; y < 2; y++) {
        int memberX = ( (i + x) + size ) % size;
        int memberY = ( ((i/size) + y) + size ) % size;

        grid.at(i).IntarractWith( grid.at(memberX + memberY*size) );
      }
    }
  }
}