public static void DrawPolygonContours(this IDebugCanvas canvas, IReadOnlyList <Polygon2> polys, StrokeStyle strokeStyle)
{
foreach (var poly in polys)
{
canvas.DrawPolygonContour(poly, strokeStyle);
}
}
public static void DrawPolyNode(this IDebugCanvas canvas, PolyNode polytree, StrokeStyle landStroke = null, StrokeStyle holeStroke = null)
{
landStroke = landStroke ?? new StrokeStyle(Color.Orange);
holeStroke = holeStroke ?? new StrokeStyle(Color.Brown);
canvas.BatchDraw(() => {
var s = new Stack <PolyNode>();
s.Push(polytree);
while (s.Any())
{
var node = s.Pop();
node.Childs.ForEach(s.Push);
if (node.Contour.Any())
{
canvas.DrawPolygonContour(
new Polygon2(node.Contour.Map(p => new IntVector2(p.X, p.Y)).ToList()),
node.IsHole ? holeStroke : landStroke);
}
}
});
}
