public override void UpdateDisplay(Grid matrix)
{
matrix.Children.Clear();
for (int rowIndex = 0; rowIndex < _size; rowIndex++)
{
for (int columnIndex = 0; columnIndex < _size; columnIndex++)
{
Button square = new Button();
RedBlueState state = GetCell(rowIndex, columnIndex).state;
switch (state)
{
case RedBlueState.RED:
square.Background = Brushes.Red;
break;
case RedBlueState.BLUE:
square.Background = Brushes.Blue;
break;
case RedBlueState.DEAD:
square.Background = Brushes.White;
break;
}
matrix.Children.Add(square);
Grid.SetRow(square, rowIndex);
Grid.SetColumn(square, columnIndex);
}
}
}
public override void Iterate()
{
RedBlueCell[,] newCells = new RedBlueCell[_size, _size];
for (int row = 0; row < _size; row++)
{
for (int column = 0; column < _size; column++)
{
int living = countLivingSurroundingCells(row, column);
RedBlueState victoriousState = getVictors(row, column); //this species wins in this area
if (isAlive(row, column))
{
if (living == 2 || living == 3)
{
RedBlueState dominantSpecies = getVictors(row, column);
newCells[row, column] = new RedBlueCell(dominantSpecies);
}
else
{
newCells[row, column] = new RedBlueCell(RedBlueState.DEAD); //dead
}
}
else
{
if (living == 3)
{
RedBlueState dominantSpecies = getVictors(row, column);
newCells[row, column] = new RedBlueCell(dominantSpecies); //no tie possible here
}
else
{
newCells[row, column] = new RedBlueCell(RedBlueState.DEAD);
}
}
}
}
cells = newCells;
}
private RedBlueState getVictors(int row, int column)
{
int numRed = 0;
int numBlue = 0;
for (int rowIndex = row - 1; rowIndex < row + 2; rowIndex++)
{
for (int columnIndex = column - 1; columnIndex < column + 2; columnIndex++)
{
if (isAlive(rowIndex, columnIndex))
{
RedBlueState state = GetCell(rowIndex, columnIndex).state;
if (state == RedBlueState.RED)
{
numRed++;
}
else if (state == RedBlueState.BLUE)
{
numBlue++;
}
}
}
}
if (numRed == numBlue)
{
//a tie can only occur when this center cell is alive, in that case it retains it's color
return(GetCell(row, column).state);
}
else if (numRed > numBlue)
{
return(RedBlueState.RED);
}
else
{
return(RedBlueState.BLUE);
}
}
public RedBlueCell(RedBlueState newState)
{
_state = newState;
}
public RedBlueCell()
{
_state = RedBlueState.DEAD;
}
public RedBlueCell(RedBlueState newState)
{
_state = newState;
}
public RedBlueCell()
{
_state = RedBlueState.DEAD;
}
