private static PolySet StitchPolys(ICollection <Polygon> polygons, IList <Vector3> vertices, PolySet polys, out EdgeSet stitchedEdge) { var stichedPolys = new PolySet { StitchedVertexThreshold = vertices.Count }; stitchedEdge = PolySet.CreateEdgeSet(polys); IList <int> originalVerts = EdgeSet.GetUniqueVertices(stitchedEdge); IList <int> newVerts = CloneVertices(vertices, originalVerts); stitchedEdge.Split(originalVerts, newVerts); foreach (Edge edge in stitchedEdge) { // Create new polys along the stitched edge. These // will connect the original poly to its former // neighbor. var stitchPoly1 = new Polygon(edge.OuterVerts[0], edge.OuterVerts[1], edge.InnerVerts[0]); var stitchPoly2 = new Polygon(edge.OuterVerts[1], edge.InnerVerts[1], edge.InnerVerts[0]); // Add the new stitched faces as neighbors to // the original Polys. Polygon.ReplacePolygon(edge.InnerPoly.Neighbors, edge.OuterPoly, stitchPoly2); Polygon.ReplacePolygon(edge.OuterPoly.Neighbors, edge.InnerPoly, stitchPoly1); polygons.Add(stitchPoly1); polygons.Add(stitchPoly2); stichedPolys.Add(stitchPoly1); stichedPolys.Add(stitchPoly2); } //Swap to the new vertices on the inner polys. foreach (Polygon poly in polys) { for (int i = 0; i < 3; i++) { int vertID = poly.Vertices[i]; if (!originalVerts.Contains(vertID)) { continue; } int vertIndex = originalVerts.IndexOf(vertID); poly.Vertices[i] = newVerts[vertIndex]; } } return(stichedPolys); }
public PolySet StitchPolys(PolySet polys, out EdgeSet stitchedEdge) { PolySet stichedPolys = new PolySet(); stichedPolys.m_StitchedVertexThreshold = m_Vertices.Count; stitchedEdge = polys.CreateEdgeSet(); var originalVerts = stitchedEdge.GetUniqueVertices(); var newVerts = CloneVertices(originalVerts); stitchedEdge.Split(originalVerts, newVerts); foreach (Edge edge in stitchedEdge) { // Create new polys along the stitched edge. These // will connect the original poly to its former // neighbor. var stitch_poly1 = new Polygon(edge.m_OuterVerts[0], edge.m_OuterVerts[1], edge.m_InnerVerts[0]); var stitch_poly2 = new Polygon(edge.m_OuterVerts[1], edge.m_InnerVerts[1], edge.m_InnerVerts[0]); // Add the new stitched faces as neighbors to // the original Polys. edge.m_InnerPoly.ReplaceNeighbor(edge.m_OuterPoly, stitch_poly2); edge.m_OuterPoly.ReplaceNeighbor(edge.m_InnerPoly, stitch_poly1); m_Polygons.Add(stitch_poly1); m_Polygons.Add(stitch_poly2); stichedPolys.Add(stitch_poly1); stichedPolys.Add(stitch_poly2); } //Swap to the new vertices on the inner polys. foreach (Polygon poly in polys) { for (int i = 0; i < 3; i++) { int vert_id = poly.m_Vertices[i]; if (!originalVerts.Contains(vert_id)) { continue; } int vert_index = originalVerts.IndexOf(vert_id); poly.m_Vertices[i] = newVerts[vert_index]; } } return(stichedPolys); }
public PolySet StitchPolys(PolySet polys) { PolySet stitchedPolys = new PolySet(); var edgeSet = polys.CreateEdgeSet(); var originalVerts = edgeSet.GetUniqueVertices(); var newVerts = CloneVertices(originalVerts); edgeSet.Split(originalVerts, newVerts); foreach (Edge edge in edgeSet) { var stitch_poly1 = new Polygon(edge.m_OuterVerts[0], edge.m_OuterVerts[1], edge.m_InnerVerts[0]); var stitch_poly2 = new Polygon(edge.m_OuterVerts[1], edge.m_InnerVerts[1], edge.m_InnerVerts[0]); edge.m_InnerPoly.ReplaceNeighbor(edge.m_OuterPoly, stitch_poly2); edge.m_OuterPoly.ReplaceNeighbor(edge.m_InnerPoly, stitch_poly1); m_Polygons.Add(stitch_poly1); m_Polygons.Add(stitch_poly2); stitchedPolys.Add(stitch_poly1); stitchedPolys.Add(stitch_poly2); } foreach (Polygon poly in polys) { for (int i = 0; i < 3; i++) { int vert_id = poly.m_Vertices[i]; if (!originalVerts.Contains(vert_id)) { continue; } int vert_index = originalVerts.IndexOf(vert_id); poly.m_Vertices[i] = newVerts[vert_index]; } } return(stitchedPolys); }