// public static void FillPolygon(this IDebugCanvas canvas, Polygon3 polygon, FillStyle fillStyle) {
// canvas.FillPolygon(polygon.Points.Select(p => p.ToDoubleVector3()).ToList(), fillStyle);
// }
//
// public static void DrawPolygonContour(this IDebugCanvas canvas, Polygon3 polygon, StrokeStyle strokeStyle) {
// canvas.DrawPolygonContour(polygon.Points.Select(p => p.ToDoubleVector3()).ToList(), strokeStyle);
// }
// public static void DrawPolygons(this IDebugCanvas canvas, IReadOnlyList<Polygon3> polygons, StrokeStyle strokeStyle) {
// canvas.BatchDraw(() => {
// foreach (var polygon in polygons) {
// canvas.DrawPolygonContour(polygon, strokeStyle);
// }
// });
// }
//
// public static void DrawPolygons(this IDebugCanvas canvas, IReadOnlyList<IReadOnlyList<DoubleVector3>> contours, StrokeStyle strokeStyle) {
// canvas.BatchDraw(() => {
// foreach (var contour in contours) {
// canvas.DrawPolygonContour(contour, strokeStyle);
// }
// });
// }
public static void DrawAxisAlignedBoundingBox(this IDebugCanvas canvas, AxisAlignedBoundingBox box, StrokeStyle strokeStyle)
{
var extents = box.Extents;
var nbl = box.Center - extents;
var ftr = box.Center + extents;
canvas.BatchDraw(() => {
canvas.DrawLine(new DoubleVector3(nbl.X, nbl.Y, nbl.Z), new DoubleVector3(ftr.X, nbl.Y, nbl.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, nbl.Y, nbl.Z), new DoubleVector3(nbl.X, ftr.Y, nbl.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, nbl.Y, nbl.Z), new DoubleVector3(nbl.X, nbl.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, ftr.Y, nbl.Z), new DoubleVector3(ftr.X, ftr.Y, nbl.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, nbl.Y, ftr.Z), new DoubleVector3(ftr.X, nbl.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, ftr.Y, ftr.Z), new DoubleVector3(ftr.X, ftr.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, nbl.Y, ftr.Z), new DoubleVector3(nbl.X, ftr.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(nbl.X, ftr.Y, nbl.Z), new DoubleVector3(nbl.X, ftr.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(ftr.X, nbl.Y, nbl.Z), new DoubleVector3(ftr.X, ftr.Y, nbl.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(ftr.X, nbl.Y, ftr.Z), new DoubleVector3(ftr.X, ftr.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(ftr.X, nbl.Y, nbl.Z), new DoubleVector3(ftr.X, nbl.Y, ftr.Z), strokeStyle);
canvas.DrawLine(new DoubleVector3(ftr.X, ftr.Y, nbl.Z), new DoubleVector3(ftr.X, ftr.Y, ftr.Z), strokeStyle);
});
}
public static void DrawPoints(this IDebugCanvas canvas, IReadOnlyList <DoubleVector3> points, StrokeStyle strokeStyle)
{
canvas.BatchDraw(() => {
foreach (var point in points)
{
canvas.DrawPoint(point, strokeStyle);
}
});
}
public static void DrawLineStrip(this IDebugCanvas canvas, IReadOnlyList <DoubleVector3> points, StrokeStyle strokeStyle)
{
canvas.BatchDraw(() => {
for (var i = 0; i < points.Count - 1; i++)
{
var a = points[i];
var b = points[i + 1];
canvas.DrawLine(a, b, strokeStyle);
}
});
}
public static void FillTriangulation(this IDebugCanvas canvas, Triangulation triangulation, FillStyle fillStyle)
{
canvas.BatchDraw(() => {
foreach (var island in triangulation.Islands)
{
foreach (var triangle in island.Triangles)
{
canvas.FillTriangle(triangle, fillStyle);
}
}
});
}
public static void DrawTriangulation(this IDebugCanvas canvas, Triangulation triangulation, StrokeStyle strokeStyle)
{
canvas.BatchDraw(() => {
foreach (var island in triangulation.Islands)
{
foreach (var triangle in island.Triangles)
{
canvas.DrawTriangle(triangle, strokeStyle);
}
}
});
}
public static void DrawLineList(this IDebugCanvas canvas, IReadOnlyList <DoubleVector3> points, StrokeStyle strokeStyle)
{
if (points.Count % 2 != 0)
{
throw new ArgumentException("Line List points must have even length.");
}
canvas.BatchDraw(() => {
for (var i = 0; i < points.Count; i += 2)
{
var a = points[i];
var b = points[i + 1];
canvas.DrawLine(a, b, 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);
}
}
});
}
