// Cell

class Cell
{
  private int x;
  private int y;
  private int dnaPointer;
  
  public Cell(int x, int y, int dnaPointer)
  {
    this.x = x;
    this.y = y;
    this.dnaPointer = dnaPointer;
  }
  
  public void update(int direction, int dnaLength)
  {
    switch (direction)
    {
      case 0:
        // N
        y--;
        break;
      case 1:
        // NE
        y--;
        x++;        
        break;
      case 2:
        // E
        x++;        
        break;
      case 3:
        // SE
        y++;
        x++;        
        break;
      case 4:
        // S
        y++;
        break;
      case 5:
        // SW
        y++;
        x--;        
        break;
      case 6:
        // W
        x--;        
        break;
      case 7:
        // NW
        y--;
        x--;        
        break;
    }
    if (x < 0)
      x = noColumns - 1;
    if (x == noColumns)
      x = 0;
    if (y < 0)
      y = noRows - 1;
    if (y == noRows)
      y = 0;
    dnaPointer = (dnaPointer + 1) % dnaLength;
  }
  
  public int getX()
  {
    return x;
  }
  
  public int getY()
  {
    return y;
  }  
  
  public void setDnaPointer(int y)
  {
    this.dnaPointer = dnaPointer;
  }
  
  public int getDnaPointer()
  {
    return dnaPointer;
  }  
}