public void Render(SKSurface surface)
{
const int CellSize = 10;
int width = _grid.Rows * CellSize;
int height = _grid.Columns * CellSize;
SKCanvas canvas = surface.Canvas;
canvas.Translate(1, 1);
canvas.Clear(SKColors.White);
canvas.ClipRect(new SKRect(0, 0, width + 10, height + 10), SKClipOperation.Intersect);
using var grid = new SKPaint
{
Color = SKColors.Gray,
StrokeWidth = 2,
Style = SKPaintStyle.Stroke
};
foreach (var cell in _grid.Cells())
{
int x1 = CellSize * cell.Column;
int y1 = CellSize * cell.Row;
int x2 = CellSize * (cell.Column + 1);
int y2 = CellSize * (cell.Row + 1);
if (cell.North == null)
{
canvas.DrawLine(x1, y1, x2, y1, grid);
}
if (cell.West == null)
{
canvas.DrawLine(x1, y1, x1, y2, grid);
}
if (!cell.IsLinked(cell.East))
{
canvas.DrawLine(x2, y1, x2, y2, grid);
}
if (!cell.IsLinked(cell.South))
{
canvas.DrawLine(x1, y2, x2, y2, grid);
}
}
}
public void Run()
{
foreach (var cell in _grid.Cells())
{
var neighbours = new List <ICell>();
var random = new Random();
if (cell.North is ICell)
{
neighbours.Add(cell.North);
}
if (cell.East is ICell)
{
neighbours.Add(cell.East);
}
var index = random.Next(neighbours.Count);
if (index > neighbours.Count - 1)
{
continue;
}
var neighbour = neighbours[index];
cell.Link(neighbour);
}
}