public void FlipEdge(int eid, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.FlipEdge: invalid eid!");
return;
}
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
removeChange.InitializeFromExisting(mesh, get_edge_tris(mesh, eid));
DMesh3.EdgeFlipInfo flipInfo;
if (mesh.FlipEdge(eid, out flipInfo) == MeshResult.Ok)
{
PreviewSpatial.RemoveTriangle(flipInfo.t0);
PreviewSpatial.RemoveTriangle(flipInfo.t1);
PreviewSpatial.AddTriangle(flipInfo.t0);
PreviewSpatial.AddTriangle(flipInfo.t1);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, null, get_edge_tris(mesh, eid));
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
public void RemoveEdge(int eid, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.RemoveEdge: invalid eid!");
return;
}
List <int> tris = get_edge_tris(PreviewMesh, eid);
do_remove_triangles(tris, bInteractive);
}
public void SplitEdge(int eid, Frame3f posL, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.SplitEdge: invalid eid!");
return;
}
Index2i et = PreviewMesh.GetEdgeT(eid);
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
List <int> input_tris = get_edge_tris(mesh, eid);
removeChange.InitializeFromExisting(mesh, input_tris);
DMesh3.EdgeSplitInfo splitInfo;
if (mesh.SplitEdge(eid, out splitInfo) == MeshResult.Ok)
{
PreviewSpatial.RemoveTriangle(et.a);
if (et.b != DMesh3.InvalidID)
{
PreviewSpatial.RemoveTriangle(et.b);
}
PreviewSpatial.AddTriangle(et.a);
if (et.b != DMesh3.InvalidID)
{
PreviewSpatial.AddTriangle(et.b);
}
PreviewSpatial.AddTriangle(splitInfo.eNewT2);
input_tris.Add(splitInfo.eNewT2);
if (splitInfo.eNewT3 != DMesh3.InvalidID)
{
PreviewSpatial.AddTriangle(splitInfo.eNewT3);
input_tris.Add(splitInfo.eNewT3);
}
mesh.SetVertex(splitInfo.vNew, posL.Origin);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh,
new List <int>()
{
splitInfo.vNew
}, input_tris);
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
public void BridgeEdges(int ea, int eb, bool bInteractive)
{
if (PreviewMesh.IsEdge(ea) == false || PreviewMesh.IsEdge(eb) == false)
{
DebugUtil.Log("MeshEditorTool.BridgeEdges: invalid eid!");
return;
}
if (PreviewMesh.IsBoundaryEdge(ea) == false || PreviewMesh.IsBoundaryEdge(eb) == false)
{
DebugUtil.Log("MeshEditorTool.BridgeEdges: edge is not boundary edge!");
return;
}
Index2i eva = PreviewMesh.GetOrientedBoundaryEdgeV(ea);
Index2i evb = PreviewMesh.GetOrientedBoundaryEdgeV(eb);
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
int shared_v = IndexUtil.find_shared_edge_v(ref eva, ref evb);
if (shared_v == DMesh3.InvalidID)
{
int t1 = mesh.AppendTriangle(eva.b, eva.a, evb.b);
int t2 = mesh.AppendTriangle(evb.b, evb.a, eva.b);
PreviewSpatial.AddTriangle(t1);
PreviewSpatial.AddTriangle(t2);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, null, new List <int>()
{
t1, t2
});
}
else
{
int ovb = (evb.a == shared_v) ? evb.b : evb.a;
int t = mesh.AppendTriangle(eva.b, eva.a, ovb);
PreviewSpatial.AddTriangle(t);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, null, new List <int>()
{
t
});
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_change(addChange, bInteractive);
}
}
public void CollapseEdge(int eid, Frame3f posL, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.CollapseEdge: invalid eid!");
return;
}
Index2i ev = PreviewMesh.GetEdgeV(eid);
int keep = ev.a, discard = ev.b;
bool boundarya = PreviewMesh.IsBoundaryVertex(keep);
bool boundaryb = PreviewMesh.IsBoundaryVertex(discard);
if (boundaryb && !boundarya)
{
keep = ev.b; discard = ev.a;
}
HashSet <int> removeT = new HashSet <int>();
foreach (int tid in PreviewMesh.VtxTrianglesItr(keep))
{
removeT.Add(tid);
}
foreach (int tid in PreviewMesh.VtxTrianglesItr(discard))
{
removeT.Add(tid);
}
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
removeChange.InitializeFromExisting(mesh, removeT);
DMesh3.EdgeCollapseInfo collapseInfo;
if (mesh.CollapseEdge(keep, discard, out collapseInfo) == MeshResult.Ok)
{
foreach (int tid in removeT)
{
PreviewSpatial.RemoveTriangle(tid);
}
foreach (int tid in PreviewMesh.VtxTrianglesItr(keep))
{
PreviewSpatial.AddTriangle(tid);
}
if (boundarya == false & boundaryb == false)
{
mesh.SetVertex(keep, posL.Origin);
}
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, new List <int>()
{
keep
}, get_vtx_tris(mesh, keep));
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}