//returns the neighborState array in the same format as the rules
public int getNeighborhoodState(Cell[,] grid)
{
setNeighbors(grid);
String neighborhoodState = Convert.ToInt32(this.currentState).ToString() +
Convert.ToInt32(neighbors[1].getCurrentState()).ToString() +
Convert.ToInt32(neighbors[2].getCurrentState()).ToString() +
Convert.ToInt32(neighbors[3].getCurrentState()).ToString() +
Convert.ToInt32(neighbors[4].getCurrentState()).ToString();
return Convert.ToInt32(neighborhoodState);
}
//sets up the neighbors of the cells and puts them into
//the neighborState array
public void setNeighbors(Cell[,] grid)
{
//handle toporidal thing
int leftOfX = xPosition - 1;
int rightOfX = xPosition + 1;
int bottomOfY = yPosition + 1;
int topOfY = yPosition - 1;
if (leftOfX == CellularAutomataConstants.BELOW_GRID)
leftOfX = grid.GetUpperBound(0);
if (rightOfX == CellularAutomataConstants.GRID_WIDTH)
rightOfX = 0;
if (bottomOfY == CellularAutomataConstants.GRID_HEIGHT)
bottomOfY = 0;
if (topOfY == CellularAutomataConstants.BELOW_GRID)
topOfY = grid.GetUpperBound(1);
neighbors[0] = this;
neighbors[1] = grid[xPosition, topOfY];
neighbors[2] = grid[rightOfX, yPosition];
neighbors[3] = grid[xPosition, bottomOfY];
neighbors[4] = grid[leftOfX, yPosition];
}