private void DrawMaze(MazeSize size)
{
MazeGrid.Children.Clear();
MazeGrid.RowDefinitions.Clear();
MazeGrid.ColumnDefinitions.Clear();
IMazeFactory mazefactory = MazeFactoryStratigy.GetMazeFactory(MazeStratigy.WidthFirst);
Maze maze = mazefactory.BuildMaze(size);
int mazeSize = maze.Size;
double height = MazeGrid.Height / mazeSize;
for (int i = 0; i < mazeSize; i++)
{
MazeGrid.RowDefinitions.Add(new RowDefinition());
MazeGrid.ColumnDefinitions.Add(new ColumnDefinition());
}
DrawingBrush _gridBrush;
_gridBrush = new DrawingBrush(new GeometryDrawing(
new SolidColorBrush(Colors.Red),
new Pen(new SolidColorBrush(Colors.Black), 1.0),
new EllipseGeometry(new Rect(0, 0, height / 2, height / 2))));
_gridBrush.Stretch = Stretch.None;
_gridBrush.TileMode = TileMode.Tile;
_gridBrush.Viewport = new Rect(0.0, 0.0, height, height);
_gridBrush.ViewportUnits = BrushMappingMode.Absolute;
DrawingBrush _gridBrushEndPoint;
_gridBrushEndPoint = new DrawingBrush(new GeometryDrawing(
new SolidColorBrush(Colors.Black),
new Pen(new SolidColorBrush(Colors.Black), 1.0),
new EllipseGeometry(new Rect(0, 0, height / 2, height / 2))));
_gridBrushEndPoint.Stretch = Stretch.None;
_gridBrushEndPoint.TileMode = TileMode.Tile;
_gridBrushEndPoint.Viewport = new Rect(0.0, 0.0, height, height);
_gridBrushEndPoint.ViewportUnits = BrushMappingMode.Absolute;
int borderthickness = 2;
for (int i = 0; i < mazeSize; i++)
{
for (int j = 0; j < mazeSize; j++)
{
Border bd = new Border();
bd.Background = Brushes.Black;
bd.BorderBrush = Brushes.Black;
if (i == 0 && j < mazeSize - 1)
{
bd.BorderThickness = new Thickness(borderthickness, borderthickness, 0, borderthickness);
}
else
{
bd.BorderThickness = new Thickness(borderthickness, 0, 0, borderthickness);
}
if (j == mazeSize - 1 && i > 0)
{
bd.BorderThickness = new Thickness(borderthickness, 0, borderthickness, borderthickness);
}
else if (i > 0)
{
bd.BorderThickness = new Thickness(borderthickness, 0, 0, borderthickness);
}
if (i == 0 && j == mazeSize - 1)
{
bd.BorderThickness = new Thickness(borderthickness);
}
Grid.SetColumn(bd, j);
Grid.SetRow(bd, i);
MazeGrid.Children.Add(bd);
}
}
for (int row = 0; row < mazeSize; row++)
{
for (int col = 0; col < mazeSize; col++)
{
var bd = GetGridBorder(row, col);
bd.Background = Brushes.White;
var nbs = maze.GetPassedNeighbors(new MazeCell()
{
X = row, Y = col
});
for (int b = 0; b < nbs.Count; b++)
{
var border = GetGridBorder(nbs[b].X, nbs[b].Y);
border.Background = Brushes.White;
if (row == nbs[b].X && col < nbs[b].Y) //right
{
border.BorderThickness = new Thickness(0, border.BorderThickness.Top, border.BorderThickness.Right, border.BorderThickness.Bottom);
bd.BorderThickness = new Thickness(bd.BorderThickness.Left, bd.BorderThickness.Top, 0, bd.BorderThickness.Bottom);
}
if (row == nbs[b].X && col > nbs[b].Y) //Left
{
border.BorderThickness = new Thickness(border.BorderThickness.Left, border.BorderThickness.Top, 0, border.BorderThickness.Bottom);
bd.BorderThickness = new Thickness(0, bd.BorderThickness.Top, bd.BorderThickness.Right, bd.BorderThickness.Bottom);
}
if (row < nbs[b].X && col == nbs[b].Y) //bottom
{
border.BorderThickness = new Thickness(border.BorderThickness.Left, 0, border.BorderThickness.Right, border.BorderThickness.Bottom);
bd.BorderThickness = new Thickness(bd.BorderThickness.Left, bd.BorderThickness.Top, bd.BorderThickness.Right, 0);
}
if (row > nbs[b].X && col == nbs[b].Y)//top
{
border.BorderThickness = new Thickness(border.BorderThickness.Left, border.BorderThickness.Top, border.BorderThickness.Right, 0);
bd.BorderThickness = new Thickness(bd.BorderThickness.Left, 0, bd.BorderThickness.Right, bd.BorderThickness.Bottom);
}
}
}
}
var startPoint = GetGridBorder(maze.StartPoint.X, maze.StartPoint.Y);
startPoint.Background = _gridBrush;
startPoint.BorderThickness = new Thickness(startPoint.BorderThickness.Left, 0, startPoint.BorderThickness.Right, startPoint.BorderThickness.Bottom);
var exitPoint = GetGridBorder(maze.Size - 1, maze.Size - 1);
exitPoint.Background = _gridBrushEndPoint;
exitPoint.BorderThickness = new Thickness(exitPoint.BorderThickness.Left, exitPoint.BorderThickness.Top, exitPoint.BorderThickness.Right, 0);
}
