private void DrawBackground()
{
if (CanvasBackground is null)
{
return;
}
_blockSize = Math.Min(CanvasBackground.ActualWidth / Map.Size.Width, CanvasBackground.ActualHeight / Map.Size.Height);
CanvasBackground.Children.Clear();
DrawForeground();
for (var x = 0; x < Map.Size.Width; x++)
{
for (var y = 0; y < Map.Size.Height; y++)
{
var rect = new Shapes.Rectangle()
{
Width = _blockSize,
Height = _blockSize,
Fill = new SolidColorBrush(Map.Blocks[x, y] switch
{
BlockType.Floor => ((x + y) % 2 == 0) ? Colors.DimGray : Colors.Gray,
BlockType.Start => Colors.PaleGreen,
BlockType.Checkpoint => Colors.Aquamarine,
BlockType.Finish => Map.FinishedUnlocked ? Colors.PaleTurquoise : Colors.IndianRed,
_ => Colors.Wheat,
})
};
CanvasBackground.Children.Add(rect);
Canvas.SetLeft(rect, x * _blockSize);
Canvas.SetTop(rect, y * _blockSize);
}
}
}
public static void PositionGeometry(XamlShapes.Shape renderedGeometry, IViewport viewport)
{
CounterScaleLineWidth(renderedGeometry, viewport.Resolution);
var matrixTransform = new XamlMedia.MatrixTransform {Matrix = CreateTransformMatrix1(viewport)};
renderedGeometry.RenderTransform = matrixTransform;
if (renderedGeometry.Fill != null)
renderedGeometry.Fill.Transform = matrixTransform.Inverse as XamlMedia.MatrixTransform;
}