public MeshGeometry3D GenerateMold(double resolution, List <MeshGeometry3D> airholes)
{
//generates the outer mold and interior cavity for the bolus
var mold = new BolusMold(_displayMesh, resolution, true);
DMesh3 mesh = MeshGeometryToDMesh(mold.Mesh);
//generate the airholes for boolean subtraction
if (airholes.Count > 0)
{
DMesh3 booleanMesh = new DMesh3();
var holes = new DMesh3();
MeshEditor editor = new MeshEditor(holes);
foreach (MeshGeometry3D m in airholes)
{
editor.AppendMesh(MeshGeometryToDMesh(m));
}
booleanMesh = holes;
//boolean subtract the airholes from the mold
_moldMesh = new List <DMesh3>()
{
BooleanSubtraction(mesh, holes)
};
}
return(DMeshToMeshGeometry(_moldMesh[0]));
}
public bool Compute()
{
PlanarMesh = BuildPlanarMesh(false);
InflatedMesh = ComputeInflation(PlanarMesh);
DMesh3 remeshed = GenerateRemesh(InflatedMesh);
Flatten(remeshed);
ResultMesh = ComputeInflation(remeshed);
MeshBoundaryLoops loops = new MeshBoundaryLoops(ResultMesh);
DMesh3 otherSide = new DMesh3(ResultMesh);
foreach (int vid in otherSide.VertexIndices())
{
Vector3d v = otherSide.GetVertex(vid);
v.z = -v.z;
otherSide.SetVertex(vid, v);
}
otherSide.ReverseOrientation();
MeshEditor editor = new MeshEditor(ResultMesh);
int[] mapVArray;
editor.AppendMesh(otherSide, out mapVArray);
IndexMap mapV = new IndexMap(mapVArray);
foreach (EdgeLoop loop in loops)
{
int[] otherLoop = (int[])loop.Vertices.Clone();
IndexUtil.Apply(otherLoop, mapV);
editor.StitchLoop(loop.Vertices, otherLoop);
}
Remesher remesh = new Remesher(ResultMesh);
remesh.SetTargetEdgeLength(TargetEdgeLength);
remesh.SmoothSpeedT = 0.25f;
for (int k = 0; k < 10; ++k)
{
remesh.BasicRemeshPass();
}
ResultMesh = new DMesh3(ResultMesh, true);
LaplacianMeshSmoother smoother = new LaplacianMeshSmoother(ResultMesh);
foreach (int vid in ResultMesh.VertexIndices())
{
smoother.SetConstraint(vid, ResultMesh.GetVertex(vid), 0.5f, false);
}
smoother.SolveAndUpdateMesh();
return(true);
}
public static void AppendMeshSO(DMeshSO appendTo, DMeshSO append)
{
FScene scene = appendTo.GetScene();
if (scene.IsSelected(appendTo))
{
scene.Deselect(appendTo);
}
if (scene.IsSelected(append))
{
scene.Deselect(append);
}
Frame3f f1 = appendTo.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale1 = appendTo.GetLocalScale();
Frame3f f2 = append.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale2 = append.GetLocalScale();
DMesh3 mesh1 = appendTo.Mesh;
DMesh3 mesh2 = append.Mesh;
foreach (int vid in mesh2.VertexIndices())
{
// convert point in mesh2 to scene coords
Vector3f v2 = (Vector3f)mesh2.GetVertex(vid);
v2 *= scale2;
Vector3f v2s = f2.FromFrameP(v2);
// transfer that scene coord into local coords of mesh1
Vector3f v2in1 = f1.ToFrameP(v2s);
v2in1 /= scale1;
mesh2.SetVertex(vid, v2in1);
if (mesh1.HasVertexNormals && mesh2.HasVertexNormals)
{
Vector3f n = mesh2.GetVertexNormal(vid);
Vector3f ns = f2.FromFrameV(n);
Vector3f ns2 = f1.ToFrameV(ns);
mesh2.SetVertexNormal(vid, ns2);
}
}
MeshEditor editor = new MeshEditor(mesh1);
editor.AppendMesh(mesh2);
appendTo.NotifyMeshEdited();
// [TODO] change record!
scene.RemoveSceneObject(append, false);
}
public static void WriteDebugMesh(IEnumerable <DMesh3> meshes, string sPath)
{
DMesh3 combined = new DMesh3(MeshComponents.FaceGroups);
MeshEditor editor = new MeshEditor(combined);
int gid = 1;
foreach (DMesh3 m in meshes)
{
editor.AppendMesh(m, gid++);
}
WriteDebugMesh(combined, sPath);
}
List<DMesh3> process_solids(List<DMesh3> solid_components)
{
// [TODO] maybe we can have special tags that extract out certain meshes?
var combinedSolid = new DMesh3(SourceMesh.Components | MeshComponents.FaceGroups);
var editor = new MeshEditor(combinedSolid);
foreach (DMesh3 solid in solid_components)
{
editor.AppendMesh(solid, combinedSolid.AllocateTriangleGroup());
}
return new List<DMesh3>() { combinedSolid };
}
public List <MeshGeometry3D> GenerateMold(double resolution, List <MeshGeometry3D> airholes, List <double> z_slices)
{
//merges airholes and bolus mesh for subtraction later
var bolus = new DMesh3();
if (airholes.Count > 0)
{
//airholes
var holes = new DMesh3();
MeshEditor editor = new MeshEditor(holes);
foreach (MeshGeometry3D m in airholes)
{
editor.AppendMesh(MeshGeometryToDMesh(m));
}
//boolean union the airholes and the bolus
if (_smoothMesh != null)
{
bolus = BooleanUnion(_smoothMesh, holes);
}
else
{
bolus = BooleanUnion(_mesh, holes);
}
}
else
if (_smoothMesh != null)
{
bolus = _smoothMesh;
}
else
{
bolus = _mesh;
}
//generates the outer mold and interior cavity for the bolus
var _molds = new List <MeshGeometry3D>();
_moldMesh = new List <DMesh3>();
var molds = new BolusMold(_displayMesh, resolution, z_slices).Meshes;
//subtract the bolus from the mold
for (int i = 0; i <= z_slices.Count; i++)
{
_moldMesh.Add(BooleanSubtraction(MeshGeometryToDMesh(molds[i]), bolus));
_molds.Add(DMeshToMeshGeometry(_moldMesh[i]));
}
return(_molds);
}
public AppendInfo AppendConnectorTo(DMesh3 mesh, Vector3d translate)
{
validate_geometry();
AppendInfo info = new AppendInfo();
MeshEditor editor = new MeshEditor(mesh);
int[] mapV;
if (HasInner)
{
info.InnerGID = mesh.AllocateTriangleGroup();
editor.AppendMesh(InnerMesh, out mapV, info.InnerGID);
info.InnerLoop = EdgeLoop.FromVertices(mesh, new MappedList(InnerLoop.Vertices, mapV));
MeshTransforms.PerVertexTransform(mesh, InnerMesh.VertexIndices(),
(vid) => { return(mapV[vid]); },
(v, old_vid, new_vid) => { return(v + translate); });
}
else
{
info.InnerGID = -1;
info.InnerLoop = null;
}
info.OuterGID = mesh.AllocateTriangleGroup();
editor.AppendMesh(OuterMesh, out mapV, info.OuterGID);
info.OuterLoop = EdgeLoop.FromVertices(mesh, new MappedList(OuterLoop.Vertices, mapV));
MeshTransforms.PerVertexTransform(mesh, OuterMesh.VertexIndices(),
(vid) => { return(mapV[vid]); },
(v, old_vid, new_vid) => { return(v + translate); });
return(info);
}
public virtual void Setup()
{
// push history stream, so that we can do undo/redo internal to tool,
// that will not end up in external history
push_history_stream();
if (OnApplyF == null)
{
OnApplyF = this.add_to_scene;
}
combineMesh = new DMesh3();
MeshEditor editor = new MeshEditor(combineMesh);
foreach (var so in InputSOs)
{
DMesh3 inputMesh = so.Mesh;
int[] mapV;
if (editor.AppendMesh(so.Mesh, out mapV))
{
MeshTransforms.PerVertexTransform(combineMesh, inputMesh, mapV, (v, old_id, new_id) => {
return(SceneTransforms.ObjectToSceneP(so, v));
});
}
}
;
MeshSourceOp = new ConstantMeshSourceOp(combineMesh, true, true);
SeparateOp = new SeparateSolidsOp()
{
MeshSource = MeshSourceOp
};
ComputeOp = new ThreadedResultComputeOp <List <DMesh3> >()
{
ResultSource = SeparateOp
};
if (HiddenPreviewMaterial == null)
{
HiddenPreviewMaterial = SOMaterial.CreateTransparent("remove_hidden_generated", new Colorf(Colorf.DimGrey, 0.5f));
}
if (KeepPreviewMaterial == null)
{
KeepPreviewMaterial = SOMaterial.CreateFlatShaded("remove_keep_generated", Colorf.DimGrey);
}
}
public virtual void Setup()
{
// push history stream, so that we can do undo/redo internal to tool,
// that will not end up in external history
push_history_stream();
if (OnApplyF == null)
{
OnApplyF = this.add_so_to_scene;
}
if (PreviewMaterial == null)
{
PreviewMaterial = SOMaterial.CreateMesh("tool_generated", Colorf.DimGrey);
}
if (ErrorMaterial == null)
{
ErrorMaterial = SOMaterial.CreateMesh("tool_generated_error", Colorf.VideoRed);
}
// clear selection here so that multi-select GroupSO goes away, otherwise
// when we copy frmaes below, they are relative to that GroupSO, and things move
inputSelection = new List <SceneObject>(Scene.Selected);
set_allow_selection_changes(true);
Scene.ClearSelection();
set_allow_selection_changes(false);
if (InputSOs.Count == 1 && ForceSceneSpaceComputation == false)
{
combineMesh = new DMesh3(InputSOs[0].Mesh);
sceneToObjUnitScale = SceneTransforms.SceneToObject(InputSOs[0], 1.0f);
}
else
{
combineMesh = new DMesh3();
MeshEditor editor = new MeshEditor(combineMesh);
foreach (var so in InputSOs)
{
TransformSequence xform = SceneTransforms.ObjectToSceneXForm(so);
DMesh3 inputMesh = so.Mesh;
int[] mapV;
if (editor.AppendMesh(so.Mesh, out mapV))
{
MeshTransforms.PerVertexTransform(combineMesh, inputMesh, mapV, (v, old_id, new_id) => {
return(xform.TransformP(v));
});
}
}
;
sceneToObjUnitScale = 1.0;
}
MeshSourceOp = new ConstantMeshSourceOp(combineMesh, true, true);
EditOp = edit_op_factory(MeshSourceOp);
ComputeOp = new ThreadedMeshComputeOp()
{
MeshSource = EditOp
};
PreviewSO = new DMeshSO()
{
EnableSpatial = EnablePreviewSpatial
};
PreviewSO.Create(new DMesh3(), PreviewMaterial);
if (InputSOs.Count == 1 && ForceSceneSpaceComputation == false)
{
PreviewSO.SetLocalFrame(InputSOs[0].GetLocalFrame(CoordSpace.ObjectCoords), CoordSpace.ObjectCoords);
PreviewSO.SetLocalScale(InputSOs[0].GetLocalScale());
}
Scene.AddSceneObject(PreviewSO);
postprocess_target_objects();
base_initialize_parameters();
}
public void takePointsinandAddtoMesh(List <Vector3d> pointers)
{
List <int> tris = new List <int>();
List <Vector3d> normals = new List <Vector3d>();
float normal = .01f;
if (currentMesh == null)
{
//ok so first mesh is not been created yet so create it from the first frame
int counter = 0;
foreach (Vector3d line in pointers)
{
counter++;
//Debug.Log(line);
tris.Add(counter);
tris.Add(counter);
tris.Add(counter);
normals.Add(new Vector3d(normal, normal, normal));
}
DMesh3 pointSet = DMesh3Builder.Build(pointers, tris, normals);
PointAABBTree3 bvtree = new PointAABBTree3(pointSet, true);
bvtree.FastWindingNumber(Vector3d.Zero);
// estimate point area based on nearest-neighbour distance
double[] areas = new double[pointSet.MaxVertexID];
foreach (int vid in pointSet.VertexIndices())
{
bvtree.PointFilterF = (i) => { return(i != vid); }; // otherwise vid is nearest to vid!
int near_vid = bvtree.FindNearestPoint(pointSet.GetVertex(vid));
double dist = pointSet.GetVertex(vid).Distance(pointSet.GetVertex(near_vid));
areas[vid] = Circle2d.RadiusArea(dist);
}
bvtree.FWNAreaEstimateF = (vid) => {
return(areas[vid]);
};
MarchingCubes mc = new MarchingCubes();
mc.Implicit = new PWNImplicit()
{
Spatial = bvtree
};
mc.IsoValue = 0.0;
mc.CubeSize = bvtree.Bounds.MaxDim / 10;
mc.Bounds = bvtree.Bounds.Expanded(mc.CubeSize * 3);
mc.RootMode = MarchingCubes.RootfindingModes.Bisection;
mc.Generate();
DMesh3 resultMesh = mc.Mesh;
// g3UnityUtils.SetGOMesh(transform.gameObject, resultMesh);
currentMesh = resultMesh;
}
else
{
//ok so this is where we are proscessing second mesh
int counter = 0;
foreach (Vector3d line in pointers)
{
counter++;
//Debug.Log(line);
tris.Add(counter);
tris.Add(counter);
tris.Add(counter);
normals.Add(new Vector3d(normal, normal, normal));
}
DMesh3 pointSet = DMesh3Builder.Build(pointers, tris, normals);
PointAABBTree3 bvtree = new PointAABBTree3(pointSet, true);
bvtree.FastWindingNumber(Vector3d.Zero);
// estimate point area based on nearest-neighbour distance
double[] areas = new double[pointSet.MaxVertexID];
foreach (int vid in pointSet.VertexIndices())
{
bvtree.PointFilterF = (i) => { return(i != vid); }; // otherwise vid is nearest to vid!
int near_vid = bvtree.FindNearestPoint(pointSet.GetVertex(vid));
double dist = pointSet.GetVertex(vid).Distance(pointSet.GetVertex(near_vid));
areas[vid] = Circle2d.RadiusArea(dist);
}
bvtree.FWNAreaEstimateF = (vid) => {
return(areas[vid]);
};
MarchingCubes mc = new MarchingCubes();
mc.Implicit = new PWNImplicit()
{
Spatial = bvtree
};
mc.IsoValue = 0.0;
mc.CubeSize = bvtree.Bounds.MaxDim / 10;
mc.Bounds = bvtree.Bounds.Expanded(mc.CubeSize * 3);
mc.RootMode = MarchingCubes.RootfindingModes.Bisection;
mc.Generate();
DMesh3 resultMesh = mc.Mesh;
MeshEditor editor = new MeshEditor(currentMesh);
editor.AppendMesh(resultMesh, currentMesh.AllocateTriangleGroup());
//suspected its crashing after mesh is over 64000 faces,
faceLog.text = "Vertex Count = " + transform.gameObject.GetComponent <MeshFilter>().mesh.triangles.Length;
g3UnityUtils.SetGOMesh(transform.gameObject, currentMesh);
}
}
public void fpMeshPointsfromTextFileWithaSecondPoints()
{
//this is used in the fast points winding scene to optimize algorithm and make sure its working well
//it reads points via text files and then meshes them
List <Vector3d> points = new List <Vector3d>();
List <int> tris = new List <int>();
List <Vector3d> normals = new List <Vector3d>();
float normal = .01f;
string toPull = ReadString();
string[] linesInFile = toPull.Split('\n');
int counter = 0;
foreach (string line in linesInFile)
{
counter++;
//Debug.Log(line);
if (!string.IsNullOrEmpty(line))
{
points.Add(StringToVector3(line));
tris.Add(counter);
tris.Add(counter);
tris.Add(counter);
normals.Add(new Vector3d(normal, normal, normal));
}
}
DMesh3 pointSet = DMesh3Builder.Build(points, tris, normals);
PointAABBTree3 bvtree = new PointAABBTree3(pointSet, true);
bvtree.FastWindingNumber(Vector3d.Zero);
// estimate point area based on nearest-neighbour distance
double[] areas = new double[pointSet.MaxVertexID];
foreach (int vid in pointSet.VertexIndices())
{
bvtree.PointFilterF = (i) => { return(i != vid); }; // otherwise vid is nearest to vid!
int near_vid = bvtree.FindNearestPoint(pointSet.GetVertex(vid));
double dist = pointSet.GetVertex(vid).Distance(pointSet.GetVertex(near_vid));
areas[vid] = Circle2d.RadiusArea(dist);
}
bvtree.FWNAreaEstimateF = (vid) => {
return(areas[vid]);
};
MarchingCubes mc = new MarchingCubes();
mc.Implicit = new PWNImplicit()
{
Spatial = bvtree
};
mc.IsoValue = 0.0;
mc.CubeSize = bvtree.Bounds.MaxDim / 50;
mc.Bounds = bvtree.Bounds.Expanded(mc.CubeSize * 3);
mc.RootMode = MarchingCubes.RootfindingModes.Bisection;
mc.Generate();
DMesh3 resultMesh = mc.Mesh;
g3UnityUtils.SetGOMesh(transform.gameObject, resultMesh);
/* MarchingCubes mc = new MarchingCubes();
* mc.Implicit = new PWNImplicit() { Spatial = bvtree };
* mc.IsoValue = 0.0;
* mc.CubeSize = bvtree.Bounds.MaxDim / 10;
* mc.Bounds = bvtree.Bounds.Expanded(mc.CubeSize * 3);
* mc.RootMode = MarchingCubes.RootfindingModes.Bisection;
* mc.Generate();
* DMesh3 resultMesh = mc.Mesh;
* g3UnityUtils.SetGOMesh(transform.gameObject, resultMesh);
*/
//ok now that we meshed the first point set, lets try to take in a second frame of points and then add to orginal dmesh
points = new List <Vector3d>();
tris = new List <int>();
normals = new List <Vector3d>();
toPull = ReadString1();
linesInFile = toPull.Split('\n');
counter = 0;
foreach (string line in linesInFile)
{
counter++;
Debug.Log(line);
if (!string.IsNullOrEmpty(line))
{
points.Add(StringToVector3(line));
tris.Add(counter);
tris.Add(counter);
tris.Add(counter);
normals.Add(new Vector3d(normal, normal, normal));
}
}
pointSet = DMesh3Builder.Build(points, tris, normals);
bvtree = new PointAABBTree3(pointSet, true);
bvtree.FastWindingNumber(Vector3d.Zero);
// estimate point area based on nearest-neighbour distance
areas = new double[pointSet.MaxVertexID];
foreach (int vid in pointSet.VertexIndices())
{
bvtree.PointFilterF = (i) => { return(i != vid); }; // otherwise vid is nearest to vid!
int near_vid = bvtree.FindNearestPoint(pointSet.GetVertex(vid));
double dist = pointSet.GetVertex(vid).Distance(pointSet.GetVertex(near_vid));
areas[vid] = Circle2d.RadiusArea(dist);
}
bvtree.FWNAreaEstimateF = (vid) => {
return(areas[vid]);
};
mc = new MarchingCubes();
mc.Implicit = new PWNImplicit()
{
Spatial = bvtree
};
mc.IsoValue = 0.0;
mc.CubeSize = bvtree.Bounds.MaxDim / 50;
mc.Bounds = bvtree.Bounds.Expanded(mc.CubeSize * 3);
mc.RootMode = MarchingCubes.RootfindingModes.Bisection;
mc.Generate();
DMesh3 resultMesh1 = mc.Mesh;
MeshEditor editor = new MeshEditor(resultMesh);
editor.AppendMesh(resultMesh1, resultMesh.AllocateTriangleGroup());
g3UnityUtils.SetGOMesh(transform.gameObject, resultMesh1);
// g3UnityUtils.SetGOMesh(transform.gameObject, resultMesh);
}
// extracts all MeshFilter objects from input GameObject and appends them, then passes to
// function MakeSOFunc (if null, creates basic MeshSO). Then optionally adds to Scene,
// preserving existing 3D position if desired (default true)
public static SceneObject ImportExistingUnityGO(GameObject go, FScene scene,
bool bAddToScene = true, bool bKeepWorldPosition = true, bool bRecenterFrame = true,
Func <DMesh3, SOMaterial, SceneObject> MakeSOFunc = null)
{
List <MeshFilter> filters = new List <MeshFilter>();
List <GameObject> children = new List <GameObject>()
{
go
};
UnityUtil.CollectAllChildren(go, children);
foreach (var cgo in children)
{
if (cgo.GetComponent <MeshFilter>() != null)
{
filters.Add(cgo.GetComponent <MeshFilter>());
}
}
if (filters.Count == 0)
{
throw new Exception("SceneUtil.ImportExistingUnityGO: no meshes!!");
}
DMesh3 CombineMesh = new DMesh3(MeshComponents.VertexNormals | MeshComponents.VertexColors);
MeshEditor editor = new MeshEditor(CombineMesh);
int gid = 0;
foreach (MeshFilter mesh in filters)
{
fMesh uMesh = new fMesh(mesh.sharedMesh);
using (var imesh = uMesh.CreateCachedIMesh()) {
editor.AppendMesh(imesh, ++gid);
}
}
Vector3f scale = go.GetLocalScale();
AxisAlignedBox3d bounds = CombineMesh.CachedBounds; // bounds.Center is wrt local frame of input go
// ie offset from origin in local coordinates
// if we want to move frame to center of mesh, we have to re-center it at origin
// in local coordinates
if (bRecenterFrame)
{
MeshTransforms.Translate(CombineMesh, -bounds.Center.x, -bounds.Center.y, -bounds.Center.z);
}
SceneObject newSO = (MakeSOFunc != null) ?
MakeSOFunc(CombineMesh, scene.DefaultMeshSOMaterial)
: new DMeshSO().Create(CombineMesh, scene.DefaultMeshSOMaterial);
newSO.Name = go.name;
if (bAddToScene)
{
scene.AddSceneObject(newSO, false);
}
if (bKeepWorldPosition)
{
// compute world rotation/location. If we re-centered the mesh, we need
// to offset by the transform we applied above in local coordinates
// (hence we have to rotate & scale)
if (go.transform.parent != null)
{
throw new Exception("UnitySceneUtil.ImportExistingUnityGO: Not handling case where GO has a parent transform");
}
Frame3f goFrameW = UnityUtil.GetGameObjectFrame(go, CoordSpace.WorldCoords);
Vector3f originW = goFrameW.Origin;
if (bRecenterFrame)
{
originW += goFrameW.Rotation * (scale * (Vector3f)bounds.Center); // offset initial frame to be at center of mesh
}
// convert world frame and offset to scene coordinates
Frame3f goFrameS = scene.ToSceneFrame(goFrameW);
Vector3f boundsCenterS = scene.ToSceneP(originW);
// translate new object to position in scene
Frame3f curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.Origin += boundsCenterS;
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply rotation (around current origin)
curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.RotateAround(curF.Origin, goFrameS.Rotation);
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply local scale
newSO.SetLocalScale(scale);
}
return(newSO);
}
virtual public void PreRender()
{
if (in_shutdown())
{
return;
}
if (parameters_dirty)
{
// offset
List <GeneralPolygon2d> offset = ClipperUtil.RoundOffset(combined_all, offset_distance);
// aggressively simplify after round offset...
foreach (var poly in offset)
{
poly.Simplify(path_width);
}
// subtract initial and add tiny gap so these don't get merged by slicer
if (SubtractSolids)
{
offset = ClipperUtil.Difference(offset, combined_solid);
offset = ClipperUtil.MiterOffset(offset, -path_width * 0.1);
}
offset = CurveUtils2.FilterDegenerate(offset, 0.001);
foreach (var poly in offset)
{
poly.Simplify(path_width * 0.02);
}
DMesh3 mesh = new DMesh3();
MeshEditor editor = new MeshEditor(mesh);
foreach (var poly in offset)
{
TriangulatedPolygonGenerator polygen = new TriangulatedPolygonGenerator()
{
Polygon = poly
};
editor.AppendMesh(polygen.Generate().MakeDMesh());
}
MeshTransforms.ConvertZUpToYUp(mesh);
if (mesh.TriangleCount > 0)
{
MeshExtrudeMesh extrude = new MeshExtrudeMesh(mesh);
extrude.ExtrudedPositionF = (v, n, vid) => {
return(v + Layers * layer_height * Vector3d.AxisY);
};
extrude.Extrude();
MeshTransforms.Translate(mesh, -mesh.CachedBounds.Min.y * Vector3d.AxisY);
}
PreviewSO.ReplaceMesh(mesh, true);
//Vector3d translate = scene_bounds.Point(1, -1, 1);
//translate.x += spiral.Bounds.Width + PathWidth;
//Frame3f sceneF = Frame3f.Identity.Translated((Vector3f)translate);
//PreviewSO.SetLocalFrame(sceneF, CoordSpace.SceneCoords);
parameters_dirty = false;
}
}
public virtual void Update()
{
base.begin_update();
int start_timestamp = this.CurrentInputTimestamp;
if (MeshSource == null)
{
throw new Exception("CombineMeshesOp: must set valid MeshSource to compute!");
}
ResultMesh = null;
try {
DMesh3 meshIn = new DMesh3(MeshSource.GetDMeshUnsafe());
if (orient_nested_shells)
{
MeshConnectedComponents comp = new MeshConnectedComponents(meshIn);
comp.FindConnectedT();
DSubmesh3Set subMeshes = new DSubmesh3Set(meshIn, comp);
List <DMesh3> curMeshes = new List <DMesh3>();
foreach (var submesh in subMeshes)
{
curMeshes.Add(submesh.SubMesh);
}
MeshSpatialSort sort = new MeshSpatialSort();
foreach (var mesh in curMeshes)
{
sort.AddMesh(mesh, mesh);
}
sort.Sort();
ResultMesh = new DMesh3();
MeshEditor editor = new MeshEditor(ResultMesh);
foreach (var solid in sort.Solids)
{
DMesh3 outer = solid.Outer.Mesh;
if (!is_outward_oriented(outer))
{
outer.ReverseOrientation();
}
editor.AppendMesh(outer, ResultMesh.AllocateTriangleGroup());
foreach (var hole in solid.Cavities)
{
if (hole.Mesh.CachedIsClosed && is_outward_oriented(hole.Mesh) == true)
{
hole.Mesh.ReverseOrientation();
}
editor.AppendMesh(hole.Mesh, ResultMesh.AllocateTriangleGroup());
}
}
}
else
{
ResultMesh = meshIn;
}
base.complete_update();
} catch (Exception e) {
PostOnOperatorException(e);
ResultMesh = base.make_failure_output(MeshSource.GetDMeshUnsafe());
base.complete_update();
}
}