public override DMesh3 Cut(CuttingInfo info)
{
var painted = FindPaintedTriangles(info.mesh, info.data.ColorNum);
if (painted.Count <= 0)
{
return(info.mesh);
}
var components = FindConnectedComponents(info, painted);
var subMeshes = new List <DMesh3>();
foreach (var component in components.Components)
{
DSubmesh3 subMesh = new DSubmesh3(info.mesh, component.Indices);
var newMesh = subMesh.SubMesh;
newMesh.EnableTriangleGroups();
newMesh.EnableVertexColors(ColorManager.Instance.GetColorForId(info.data.ColorNum).toVector3f());
foreach (var componentIndex in component.Indices)
{
info.mesh.RemoveTriangle(componentIndex);
}
var loops = new MeshBoundaryLoops(newMesh, true);
var meshEditorNewMesh = new MeshEditor(newMesh);
var meshEditorOldMesh = new MeshEditor(info.mesh);
foreach (var meshBoundaryLoop in loops)
{
var offsettedVerticesNewMesh = new List <int>();
var offsettedVerticesOldMesh = new List <int>();
foreach (var vertex in meshBoundaryLoop.Vertices)
{
var normal = newMesh.GetVertexNormal(vertex);
var vertextPosition = newMesh.GetVertex(vertex);
var newVertex = newMesh.AppendVertex(vertextPosition - normal.toVector3d() * info.data.depth);
offsettedVerticesNewMesh.Add(newVertex);
var newVertexOldMesh =
info.mesh.AppendVertex(vertextPosition - normal.toVector3d() * info.data.depth);
offsettedVerticesOldMesh.Add(newVertexOldMesh);
}
var boundaryLoopOfOldMesh = meshBoundaryLoop.Vertices
.Select(subv => subMesh.MapVertexToBaseMesh(subv)).ToArray();
var loopNewMesh = meshEditorNewMesh.StitchLoop(meshBoundaryLoop.Vertices,
offsettedVerticesNewMesh.ToArray(), info.data.ColorNum);
var loopOldMesh = meshEditorOldMesh.StitchLoop(boundaryLoopOfOldMesh,
offsettedVerticesOldMesh.ToArray(), info.data.mainColorId);
for (var index = 0; index < offsettedVerticesNewMesh.Count; index++)
{
info.PointToPoint.Add(offsettedVerticesNewMesh[index], offsettedVerticesOldMesh[index]);
}
var offsettedLoop = EdgeLoop.FromVertices(newMesh, offsettedVerticesNewMesh);
var holeFiller = new SimpleHoleFiller(newMesh, offsettedLoop);
var valid = holeFiller.Validate();
if (valid == ValidationStatus.Ok)
{
var res = holeFiller.Fill(info.data.ColorNum);
if (res)
{
var newVertex = holeFiller.NewVertex;
var newTriangles = holeFiller.NewTriangles;
//Add the same triangles to old mesh.
if (newVertex == -1) //case where it added only one tri
{
var vertices = newMesh.GetTriangle(newTriangles.First());
var edgeAOldMesh = info.PointToPoint[vertices.a];
var edgeBOldMesh = info.PointToPoint[vertices.b];
var edgeCOldMesh = info.PointToPoint[vertices.c];
info.mesh.AppendTriangle(edgeAOldMesh, edgeCOldMesh, edgeBOldMesh, info.data.mainColorId);
}
else //case where multiple tris and a middle vertex were added
{
var newVertexOldMesh = info.mesh.AppendVertex(newMesh.GetVertex(newVertex));
foreach (var newTriangle in newTriangles)
{
//the center is always the first vertex in newTriangle
var edgeVertices = newMesh.GetTriangle(newTriangle);
var edgeBOldMesh = info.PointToPoint[edgeVertices.b];
var edgeCOldMesh = info.PointToPoint[edgeVertices.c];
info.mesh.AppendTriangle(newVertexOldMesh, edgeCOldMesh, edgeBOldMesh,
info.data.mainColorId);
}
if (info.PointToPoint.ContainsKey(newVertex))
{
Debug.Log($"Double insertion from HF: {newVertex}, {newVertexOldMesh}");
}
else
{
info.PointToPoint.Add(newVertex, newVertexOldMesh);
}
}
}
}
}
subMeshes.Add(newMesh);
}
InstantiateNewObjects(info, subMeshes);
return(info.mesh);
}
public override DMesh3 Cut(CuttingInfo info)
{
var painted = FindPaintedTriangles(info.mesh, info.data.ColorNum);
if (painted.Count <= 0)
{
return(info.mesh);
}
var components = FindConnectedComponents(info, painted);
var subMeshes = new List <DMesh3>();
foreach (var component in components.Components)
{
DSubmesh3 subMesh = new DSubmesh3(info.mesh, component.Indices);
var newMesh = subMesh.SubMesh;
newMesh.EnableTriangleGroups();
newMesh.EnableVertexColors(ColorManager.Instance.GetColorForId(info.data.ColorNum).toVector3f());
foreach (var componentIndex in component.Indices)
{
info.mesh.RemoveTriangle(componentIndex);
}
var loops = new MeshBoundaryLoops(newMesh, true);
foreach (var meshBoundaryLoop in loops)
{
var holeFiller = new SimpleHoleFiller(newMesh, meshBoundaryLoop);
var valid = holeFiller.Validate();
if (valid == ValidationStatus.Ok)
{
var res = holeFiller.Fill(info.data.ColorNum);
if (res)
{
var newVertex = holeFiller.NewVertex;
var newTriangles = holeFiller.NewTriangles;
//Add the same triangles to old mesh.
if (newVertex == -1) //case where it added only one tri
{
var vertices = newMesh.GetTriangle(newTriangles.First());
var edgeAOldMesh = subMesh.MapVertexToBaseMesh(vertices.a);
var edgeBOldMesh = subMesh.MapVertexToBaseMesh(vertices.b);
var edgeCOldMesh = subMesh.MapVertexToBaseMesh(vertices.c);
info.mesh.AppendTriangle(edgeAOldMesh, edgeCOldMesh, edgeBOldMesh, info.data.mainColorId);
}
else //case where multiple tris and a middle vertex were added
{
var newVertexOldMesh = info.mesh.AppendVertex(newMesh.GetVertex(newVertex));
foreach (var newTriangle in newTriangles)
{
//the center is always the first vertex in newTriangle
var edgeVertices = newMesh.GetTriangle(newTriangle);
var edgeBOldMesh = subMesh.MapVertexToBaseMesh(edgeVertices.b);
var edgeCOldMesh = subMesh.MapVertexToBaseMesh(edgeVertices.c);
info.mesh.AppendTriangle(newVertexOldMesh, edgeCOldMesh, edgeBOldMesh,
info.data.mainColorId);
}
if (info.PointToPoint.ContainsKey(newVertex))
{
Debug.Log($"Double insertion from HF: {newVertex}, {newVertexOldMesh}");
}
else
{
info.PointToPoint.Add(newVertex, newVertexOldMesh);
}
}
}
}
}
subMeshes.Add(newMesh);
}
InstantiateNewObjects(info, subMeshes);
return(info.mesh);
}