public MapView()
{
WidthRequest = _blockSize * ColCount;
HeightRequest = _blockSize * RowCount;
_grid = new SKColor[ColCount, RowCount];
Shape = Shape.CreateShape(new SKPointI(new Random().Next(Map.ColCount - Shape.PointsCount), 0));
}
private bool CheckBoundary(SKPointI[] points)
{
// left bound
if ((from p in points select p.X).Min() < 0)
{
return(false);
}
// right bound
if ((from p in points select p.X).Max() > Map.ColCount - 1)
{
return(false);
}
// bottom and overlayed
foreach (var p in points)
{
if (p.Y > Map.RowCount - 1 || _grid[p.X, p.Y] != SKColor.Empty)
{
UpdateGrid(Shape);
Shape = Shape.CreateShape(new SKPointI(new Random().Next(Map.ColCount - Shape.PointsCount), 0));
return(false);
}
}
return(true);
}
