public static AreaContent getFromOutline(List<AreaVertex> outline)
{
var content = new AreaContent();
if (!isRightHanded(outline))
{
outline.Reverse();
}
outline=outline.Select(x => { x.Center = 1; return x; }).ToList();
content.Vertices.AddRange(outline);
//var bottomRing = new List<AreaVertex>(outline);
var bottomRing = outline.Select(x => {
var y = new AreaVertex();
y.X = x.X;
y.Y = x.Y;
y.Z = x.Z;
y.W = x.W;
y.Center = 0;
return y; }).ToList();
content.Vertices.AddRange(bottomRing);
var innerRing = getInnerRing(outline);
content.Vertices.AddRange(innerRing);
var triangles = getTriangles(outline, 0, outline.Count - 1);
content.Triangles.AddRange(triangles);
var borderTriangles = getBorderTriangles(outline.Count);
content.Triangles.AddRange(borderTriangles);
AreaClipped ac = new AreaClipped();
ac.StartTriangle = 0;
ac.StartVertex = 0;
ac.TriangleCount = triangles.Count;
ac.VertexCount = outline.Count;
//ac.TriangleCount = content.Triangles.Count;
//ac.VertexCount = content.Vertices.Count;
content.ClippedAreas.Add(ac);
AreaClipped ac2 = new AreaClipped();
content.ClippedAreas.Add(ac2);
AreaClipped bt = new AreaClipped();
bt.StartTriangle = triangles.Count;
bt.StartVertex = outline.Count;
bt.TriangleCount = borderTriangles.Count;
bt.VertexCount = 2 * outline.Count;
content.BorderTriangle = bt;
AreaClipped bv = new AreaClipped();
bv.StartTriangle = 0;
bv.StartVertex = 2*outline.Count;
bv.TriangleCount = 0;
bv.VertexCount = outline.Count;
content.BorderVertex = bv;
//Console.Write("vertices=[");
//var scen = content;
/*foreach (var v in scen.Vertices)
{
Console.WriteLine("{0:G},{1:G},{2:G};", (int)v.X, (int)v.Y, (int)v.Center);
}
Console.WriteLine("]");
Console.Write("tri=[");
foreach (var v in scen.Triangles)
{
Console.WriteLine("{0},{1},{2};", (int)v.Point1, (int)v.Point2, (int)v.Point3);
}
Console.WriteLine("]");
Console.WriteLine("bt=[{0:G},{1:G},{2:G},{3:G}]", scen.BorderTriangle.StartTriangle, scen.BorderTriangle.StartVertex, scen.BorderTriangle.TriangleCount, scen.BorderTriangle.VertexCount);
Console.WriteLine("bv=[{0:G},{1:G},{2:G},{3:G}]", scen.BorderVertex.StartTriangle, scen.BorderVertex.StartVertex, scen.BorderVertex.TriangleCount, scen.BorderVertex.VertexCount);
var k = 0;
foreach (var a in scen.ClippedAreas)
{
Console.WriteLine("t{4}=[{0:G},{1:G},{2:G},{3:G}]", a.StartTriangle, a.StartVertex, a.TriangleCount, a.VertexCount, k++);
}
*/
return content;
}
public static List<Point> getOutline(AreaContent content)
{
var outline=content.Vertices.GetRange(content.BorderVertex.StartVertex,content.BorderVertex.VertexCount);
return outline.ConvertAll(x => new Point((int)x.X / scaleFactor, (int)x.Y / scaleFactor));
}