scripts
This commit is contained in:
niko
@@ -0,0 +1,503 @@
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using System;
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using System.Collections.Generic;
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using TriangleNet.Data;
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using TriangleNet.Geometry;
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namespace TriangleNet.Tools
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{
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// Token: 0x02000013 RID: 19
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public class BoundedVoronoi : IVoronoi
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{
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// Token: 0x060000A3 RID: 163 RVA: 0x00011AFA File Offset: 0x0000FCFA
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public BoundedVoronoi(Mesh mesh)
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: this(mesh, true)
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{
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}
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// Token: 0x060000A4 RID: 164 RVA: 0x00011B04 File Offset: 0x0000FD04
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public BoundedVoronoi(Mesh mesh, bool includeBoundary)
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{
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this.mesh = mesh;
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this.includeBoundary = includeBoundary;
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this.Generate();
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}
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// Token: 0x17000020 RID: 32
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// (get) Token: 0x060000A5 RID: 165 RVA: 0x00011B27 File Offset: 0x0000FD27
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public Point[] Points
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{
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get
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{
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return this.points;
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}
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}
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// Token: 0x17000021 RID: 33
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// (get) Token: 0x060000A6 RID: 166 RVA: 0x00011B2F File Offset: 0x0000FD2F
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public ICollection<VoronoiRegion> Regions
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{
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get
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{
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return this.regions;
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}
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}
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// Token: 0x060000A7 RID: 167 RVA: 0x00011B38 File Offset: 0x0000FD38
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private void Generate()
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{
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this.mesh.Renumber();
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this.mesh.MakeVertexMap();
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this.regions = new List<VoronoiRegion>(this.mesh.vertices.Count);
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this.points = new Point[this.mesh.triangles.Count];
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this.segPoints = new List<Point>(this.mesh.subsegs.Count * 4);
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this.ComputeCircumCenters();
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this.TagBlindTriangles();
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foreach (Vertex vertex in this.mesh.vertices.Values)
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{
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if (vertex.type == VertexType.FreeVertex || vertex.Boundary == 0)
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{
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this.ConstructCell(vertex);
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}
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else if (this.includeBoundary)
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{
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this.ConstructBoundaryCell(vertex);
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}
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}
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int num = this.points.Length;
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Array.Resize<Point>(ref this.points, num + this.segPoints.Count);
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for (int i = 0; i < this.segPoints.Count; i++)
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{
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this.points[num + i] = this.segPoints[i];
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}
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this.segPoints.Clear();
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this.segPoints = null;
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}
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// Token: 0x060000A8 RID: 168 RVA: 0x00011C8C File Offset: 0x0000FE8C
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private void ComputeCircumCenters()
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{
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Otri otri = default(Otri);
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double num = 0.0;
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double num2 = 0.0;
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foreach (Triangle triangle in this.mesh.triangles.Values)
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{
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otri.triangle = triangle;
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Point point = Primitives.FindCircumcenter(otri.Org(), otri.Dest(), otri.Apex(), ref num, ref num2);
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point.id = triangle.id;
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this.points[triangle.id] = point;
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}
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}
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// Token: 0x060000A9 RID: 169 RVA: 0x00011D44 File Offset: 0x0000FF44
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private void TagBlindTriangles()
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{
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int num = 0;
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this.subsegMap = new Dictionary<int, Segment>();
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Otri otri = default(Otri);
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Otri otri2 = default(Otri);
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Osub osub = default(Osub);
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Osub osub2 = default(Osub);
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foreach (Triangle triangle in this.mesh.triangles.Values)
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{
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triangle.infected = false;
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}
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foreach (Segment segment in this.mesh.subsegs.Values)
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{
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Stack<Triangle> stack = new Stack<Triangle>();
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osub.seg = segment;
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osub.orient = 0;
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osub.TriPivot(ref otri);
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if (otri.triangle != Mesh.dummytri && !otri.triangle.infected)
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{
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stack.Push(otri.triangle);
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}
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osub.SymSelf();
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osub.TriPivot(ref otri);
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if (otri.triangle != Mesh.dummytri && !otri.triangle.infected)
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{
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stack.Push(otri.triangle);
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}
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while (stack.Count > 0)
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{
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otri.triangle = stack.Pop();
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otri.orient = 0;
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if (this.TriangleIsBlinded(ref otri, ref osub))
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{
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otri.triangle.infected = true;
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num++;
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this.subsegMap.Add(otri.triangle.hash, osub.seg);
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otri.orient = 0;
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while (otri.orient < 3)
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{
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otri.Sym(ref otri2);
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otri2.SegPivot(ref osub2);
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if (otri2.triangle != Mesh.dummytri && !otri2.triangle.infected && osub2.seg == Mesh.dummysub)
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{
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stack.Push(otri2.triangle);
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}
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otri.orient++;
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}
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}
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}
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}
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num = 0;
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}
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// Token: 0x060000AA RID: 170 RVA: 0x00011F80 File Offset: 0x00010180
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private bool TriangleIsBlinded(ref Otri tri, ref Osub seg)
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{
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Vertex vertex = tri.Org();
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Vertex vertex2 = tri.Dest();
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Vertex vertex3 = tri.Apex();
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Vertex vertex4 = seg.Org();
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Vertex vertex5 = seg.Dest();
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Point point = this.points[tri.triangle.id];
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Point point2;
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return this.SegmentsIntersect(vertex4, vertex5, point, vertex, out point2, true) || this.SegmentsIntersect(vertex4, vertex5, point, vertex2, out point2, true) || this.SegmentsIntersect(vertex4, vertex5, point, vertex3, out point2, true);
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}
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// Token: 0x060000AB RID: 171 RVA: 0x00012004 File Offset: 0x00010204
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private void ConstructCell(Vertex vertex)
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{
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VoronoiRegion voronoiRegion = new VoronoiRegion(vertex);
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this.regions.Add(voronoiRegion);
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Otri otri = default(Otri);
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Otri otri2 = default(Otri);
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Otri otri3 = default(Otri);
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Osub osub = default(Osub);
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Osub osub2 = default(Osub);
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int count = this.mesh.triangles.Count;
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List<Point> list = new List<Point>();
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vertex.tri.Copy(ref otri2);
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if (otri2.Org() != vertex)
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{
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throw new Exception("ConstructBvdCell: inconsistent topology.");
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}
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otri2.Copy(ref otri);
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otri2.Onext(ref otri3);
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do
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{
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Point point = this.points[otri.triangle.id];
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Point point2 = this.points[otri3.triangle.id];
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if (!otri.triangle.infected)
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{
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list.Add(point);
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if (otri3.triangle.infected)
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{
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osub2.seg = this.subsegMap[otri3.triangle.hash];
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Point point3;
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if (this.SegmentsIntersect(osub2.SegOrg(), osub2.SegDest(), point, point2, out point3, true))
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{
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Point point4 = point3;
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int num = count;
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int num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point4.id = num + num2;
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this.segPoints.Add(point3);
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list.Add(point3);
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}
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}
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}
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else
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{
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osub.seg = this.subsegMap[otri.triangle.hash];
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if (!otri3.triangle.infected)
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{
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Point point3;
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if (this.SegmentsIntersect(osub.SegOrg(), osub.SegDest(), point, point2, out point3, true))
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{
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Point point5 = point3;
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int num3 = count;
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int num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point5.id = num3 + num2;
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this.segPoints.Add(point3);
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list.Add(point3);
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}
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}
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else
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{
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osub2.seg = this.subsegMap[otri3.triangle.hash];
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if (!osub.Equal(osub2))
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{
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Point point3;
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if (this.SegmentsIntersect(osub.SegOrg(), osub.SegDest(), point, point2, out point3, true))
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{
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Point point6 = point3;
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int num4 = count;
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int num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point6.id = num4 + num2;
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this.segPoints.Add(point3);
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list.Add(point3);
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}
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if (this.SegmentsIntersect(osub2.SegOrg(), osub2.SegDest(), point, point2, out point3, true))
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{
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Point point7 = point3;
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int num5 = count;
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int num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point7.id = num5 + num2;
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this.segPoints.Add(point3);
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list.Add(point3);
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}
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}
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}
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}
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otri3.Copy(ref otri);
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otri3.OnextSelf();
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}
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while (!otri.Equal(otri2));
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voronoiRegion.Add(list);
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}
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// Token: 0x060000AC RID: 172 RVA: 0x000122DC File Offset: 0x000104DC
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private void ConstructBoundaryCell(Vertex vertex)
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{
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VoronoiRegion voronoiRegion = new VoronoiRegion(vertex);
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this.regions.Add(voronoiRegion);
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Otri otri = default(Otri);
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Otri otri2 = default(Otri);
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Otri otri3 = default(Otri);
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Otri otri4 = default(Otri);
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Osub osub = default(Osub);
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Osub osub2 = default(Osub);
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int count = this.mesh.triangles.Count;
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List<Point> list = new List<Point>();
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vertex.tri.Copy(ref otri2);
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if (otri2.Org() != vertex)
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{
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throw new Exception("ConstructBoundaryBvdCell: inconsistent topology.");
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}
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otri2.Copy(ref otri);
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otri2.Onext(ref otri3);
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otri2.Oprev(ref otri4);
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if (otri4.triangle != Mesh.dummytri)
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{
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while (otri4.triangle != Mesh.dummytri && !otri4.Equal(otri2))
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{
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otri4.Copy(ref otri);
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otri4.OprevSelf();
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}
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otri.Copy(ref otri2);
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otri.Onext(ref otri3);
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}
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Point point;
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int num2;
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if (otri4.triangle == Mesh.dummytri)
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{
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point = new Point(vertex.x, vertex.y);
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Point point2 = point;
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int num = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point2.id = num + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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Vertex vertex2 = otri.Org();
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Vertex vertex3 = otri.Dest();
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point = new Point((vertex2.X + vertex3.X) / 2.0, (vertex2.Y + vertex3.Y) / 2.0);
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Point point3 = point;
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int num3 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point3.id = num3 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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Point point4;
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Vertex vertex6;
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for (;;)
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{
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point4 = this.points[otri.triangle.id];
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if (otri3.triangle == Mesh.dummytri)
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{
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break;
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}
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Point point5 = this.points[otri3.triangle.id];
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if (!otri.triangle.infected)
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{
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list.Add(point4);
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if (otri3.triangle.infected)
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{
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osub2.seg = this.subsegMap[otri3.triangle.hash];
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if (this.SegmentsIntersect(osub2.SegOrg(), osub2.SegDest(), point4, point5, out point, true))
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{
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Point point6 = point;
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int num4 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point6.id = num4 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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}
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}
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else
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{
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osub.seg = this.subsegMap[otri.triangle.hash];
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Vertex vertex4 = osub.SegOrg();
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Vertex vertex5 = osub.SegDest();
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if (!otri3.triangle.infected)
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{
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vertex3 = otri.Dest();
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vertex6 = otri.Apex();
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Point point7 = new Point((vertex3.X + vertex6.X) / 2.0, (vertex3.Y + vertex6.Y) / 2.0);
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if (this.SegmentsIntersect(vertex4, vertex5, point7, point4, out point, false))
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{
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Point point8 = point;
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int num5 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point8.id = num5 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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if (this.SegmentsIntersect(vertex4, vertex5, point4, point5, out point, true))
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{
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Point point9 = point;
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int num6 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point9.id = num6 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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}
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else
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{
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osub2.seg = this.subsegMap[otri3.triangle.hash];
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if (!osub.Equal(osub2))
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{
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if (this.SegmentsIntersect(vertex4, vertex5, point4, point5, out point, true))
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{
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Point point10 = point;
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int num7 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point10.id = num7 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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if (this.SegmentsIntersect(osub2.SegOrg(), osub2.SegDest(), point4, point5, out point, true))
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{
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Point point11 = point;
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int num8 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point11.id = num8 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
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}
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else
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{
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Point point12 = new Point((vertex2.X + vertex3.X) / 2.0, (vertex2.Y + vertex3.Y) / 2.0);
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if (this.SegmentsIntersect(vertex4, vertex5, point12, point5, out point, false))
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{
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Point point13 = point;
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int num9 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point13.id = num9 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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}
|
||||
}
|
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}
|
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}
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otri3.Copy(ref otri);
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otri3.OnextSelf();
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if (otri.Equal(otri2))
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{
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goto IL_5B5;
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}
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}
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if (!otri.triangle.infected)
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{
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list.Add(point4);
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}
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vertex2 = otri.Org();
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vertex6 = otri.Apex();
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point = new Point((vertex2.X + vertex6.X) / 2.0, (vertex2.Y + vertex6.Y) / 2.0);
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Point point14 = point;
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int num10 = count;
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num2 = this.segIndex;
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this.segIndex = num2 + 1;
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point14.id = num10 + num2;
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this.segPoints.Add(point);
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list.Add(point);
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IL_5B5:
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voronoiRegion.Add(list);
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}
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// Token: 0x060000AD RID: 173 RVA: 0x000128A8 File Offset: 0x00010AA8
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private bool SegmentsIntersect(Point p1, Point p2, Point p3, Point p4, out Point p, bool strictIntersect)
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||||
{
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p = null;
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double x = p1.X;
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double y = p1.Y;
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||||
double num = p2.X;
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double num2 = p2.Y;
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double num3 = p3.X;
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double num4 = p3.Y;
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double num5 = p4.X;
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double num6 = p4.Y;
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if ((x == num && y == num2) || (num3 == num5 && num4 == num6))
|
||||
{
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return false;
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||||
}
|
||||
if ((x == num3 && y == num4) || (num == num3 && num2 == num4) || (x == num5 && y == num6) || (num == num5 && num2 == num6))
|
||||
{
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||||
return false;
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||||
}
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||||
num -= x;
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||||
num2 -= y;
|
||||
num3 -= x;
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||||
num4 -= y;
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||||
num5 -= x;
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||||
num6 -= y;
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||||
double num7 = Math.Sqrt(num * num + num2 * num2);
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||||
double num8 = num / num7;
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double num9 = num2 / num7;
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||||
double num10 = num3 * num8 + num4 * num9;
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||||
num4 = num4 * num8 - num3 * num9;
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||||
num3 = num10;
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double num11 = num5 * num8 + num6 * num9;
|
||||
num6 = num6 * num8 - num5 * num9;
|
||||
num5 = num11;
|
||||
if ((num4 < 0.0 && num6 < 0.0) || (num4 >= 0.0 && num6 >= 0.0 && strictIntersect))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
double num12 = num5 + (num3 - num5) * num6 / (num6 - num4);
|
||||
if (num12 < 0.0 || (num12 > num7 && strictIntersect))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
p = new Point(x + num12 * num8, y + num12 * num9);
|
||||
return true;
|
||||
}
|
||||
|
||||
// Token: 0x0400008A RID: 138
|
||||
private Mesh mesh;
|
||||
|
||||
// Token: 0x0400008B RID: 139
|
||||
private Point[] points;
|
||||
|
||||
// Token: 0x0400008C RID: 140
|
||||
private List<VoronoiRegion> regions;
|
||||
|
||||
// Token: 0x0400008D RID: 141
|
||||
private List<Point> segPoints;
|
||||
|
||||
// Token: 0x0400008E RID: 142
|
||||
private int segIndex;
|
||||
|
||||
// Token: 0x0400008F RID: 143
|
||||
private Dictionary<int, Segment> subsegMap;
|
||||
|
||||
// Token: 0x04000090 RID: 144
|
||||
private bool includeBoundary = true;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user