public static void DrawBvh(this IDebugCanvas canvas, BvhILS2 bvh)
{
void Helper(BvhILS2 node, int d)
{
if (d != 0)
{
var s = new StrokeStyle(d % 2 == 0 ? Color.Red : Color.Lime, 10.0f / d, new[] { d % 2 == 0 ? 1.0f : 3.0f, d % 2 == 0 ? 3.0f : 1.0f });
canvas.DrawRectangle(node.Bounds, 0.0f, s);
}
if (node.First != null)
{
Helper(node.First, d + 1);
Helper(node.Second, d + 1);
}
else
{
for (var i = node.SegmentsStartIndexInclusive; i < node.SegmentsEndIndexExclusive; i++)
{
canvas.DrawLine(node.Segments[i].First, node.Segments[i].Second, StrokeStyle3);
}
}
}
Helper(bvh, 0);
}
public static void DrawTriangulationQuadTree(this IDebugCanvas debugCanvas, Triangulation triangulation)
{
foreach (var island in triangulation.Islands)
{
var s = new Stack <Tuple <int, QuadTree <int> .Node> >();
s.Push(Tuple.Create(0, island.TriangleIndexQuadTree.Root));
while (s.Any())
{
var tuple = s.Pop();
var depth = tuple.Item1;
var node = tuple.Item2;
debugCanvas.DrawRectangle(node.Rect, 0.0f, new StrokeStyle(Color.Black));
if (node.TopLeft != null)
{
s.Push(Tuple.Create(depth + 1, node.TopLeft));
s.Push(Tuple.Create(depth + 1, node.TopRight));
s.Push(Tuple.Create(depth + 1, node.BottomLeft));
s.Push(Tuple.Create(depth + 1, node.BottomRight));
}
}
}
}
