private void DrawClusters(Graphics painter, IMazeView maze, MazeClusters clusters)
{
int clustersNumber = clusters.Count();
Brush[] brushes = new Brush[clustersNumber];
for (int i = 0; i < brushes.Length; i++)
{
brushes[i] = new SolidBrush(Palette.GetColor(i + 1));
}
for (int row = 0; row < maze.RowCount; row++)
{
for (int col = 0; col < maze.ColCount; col++)
{
int BaseX = col * cellSize;
int BaseY = row * cellSize;
if (!clusters.IsNonclustered(row, col))
{
int circleShift = cellSize / 2 - circleSize / 2;
int brushIndex = clusters.GetClusterIndex(row, col) - 1;
painter.FillEllipse(brushes[brushIndex],
BaseX + circleShift,
BaseY + circleShift,
circleSize, circleSize);
}
}
}
}
private bool ClusterCell(int row, int col, int index)
{
bool processed = false;
if (maze.IsCellExists(row, col))
{
if (clusters.IsNonclustered(row, col))
{
clusters.SetClusterIndex(row, col, index);
processed = true;
}
}
return(processed);
}
void WalkCluster(int row, int col, int cluster)
{
if (processedMaze.IsCellExists(row, col))
{
if (clusters.IsNonclustered(row, col))
{
MazeSide currentCell = processedMaze.GetCell(row, col);
clusters.SetClusterIndex(row, col, cluster);
if (processedMaze.IsCellExists(row - 1, col))
{
if (!currentCell.HasFlag(MazeSide.Top))
{
WalkCluster(row - 1, col, cluster);
}
}
if (processedMaze.IsCellExists(row + 1, col))
{
if (!currentCell.HasFlag(MazeSide.Bottom))
{
WalkCluster(row + 1, col, cluster);
}
}
if (processedMaze.IsCellExists(row, col - 1))
{
if (!currentCell.HasFlag(MazeSide.Left))
{
WalkCluster(row, col - 1, cluster);
}
}
if (processedMaze.IsCellExists(row, col + 1))
{
if (!currentCell.HasFlag(MazeSide.Right))
{
WalkCluster(row, col + 1, cluster);
}
}
}
}
}