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Moved raytracer code into polygon mesh

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This commit is contained in:
LarsBrubaker 2021-11-21 07:09:33 -08:00
parent f01f1604b9
commit 25d941f634
6 changed files with 75 additions and 69 deletions
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16
MatterControl.MeshOperations/BooleanProcessing.cs
View file

@ -535,15 +535,15 @@ namespace MatterHackers.PolygonMesh
Matrix4X4 matrixB,
// operation
CsgModes operation,
ProcessingModes processingMode,
ProcessingResolution inputResolution,
ProcessingResolution outputResolution,
ProcessingModes processingMode = ProcessingModes.Polygons,
ProcessingResolution inputResolution = ProcessingResolution._64,
ProcessingResolution outputResolution = ProcessingResolution._64,
// reporting
IProgress<ProgressStatus> reporter,
double amountPerOperation,
double percentCompleted,
ProgressStatus progressStatus,
CancellationToken cancellationToken)
IProgress<ProgressStatus> reporter = null,
double amountPerOperation = 1,
double percentCompleted = 0,
ProgressStatus progressStatus = null,
CancellationToken cancellationToken = default(CancellationToken))
{
bool externalAssemblyExists = File.Exists(BooleanAssembly);
if (processingMode == ProcessingModes.Polygons)

109
MatterControl.MeshOperations/CoPlanarFaces.cs
View file

@ -93,59 +93,74 @@ namespace MatterHackers.PolygonMesh
}
public void SubtractFaces(Plane plane, List<Mesh> transformedMeshes, Mesh resultsMesh, Matrix4X4 flattenedMatrix, HashSet<int> faceIndicesToRemove)
{
// get all meshes that have faces on this plane
var meshesWithFaces = MeshIndicesForPlane(plane).ToList();
{
// get all meshes that have faces on this plane
var meshesWithFaces = MeshIndicesForPlane(plane).ToList();
// we need more than one mesh and one of them needs to be the source (mesh 0)
if (meshesWithFaces.Count < 2
|| !meshesWithFaces.Contains(0))
{
// no faces to add
return;
}
// we need more than one mesh and one of them needs to be the source (mesh 0)
if (meshesWithFaces.Count < 2
|| !meshesWithFaces.Contains(0))
{
// no faces to add
return;
}
// sort them so we can process each group into intersections
meshesWithFaces.Sort();
// sort them so we can process each group into intersections
meshesWithFaces.Sort();
// add the faces that we should
foreach (var meshIndex in meshesWithFaces)
{
foreach (var faces in FacesSetsForPlaneAndMesh(plane, meshIndex))
{
faceIndicesToRemove.Add(faces.destFaceIndex);
}
}
// add the faces that we should
foreach (var meshIndex in meshesWithFaces)
{
foreach (var faces in FacesSetsForPlaneAndMesh(plane, meshIndex))
{
faceIndicesToRemove.Add(faces.destFaceIndex);
}
}
// subtract every face from the mesh 0 faces
// teselate and add what is left
var keepPolygons = new Polygons();
foreach (var keepFaceSets in FacesSetsForPlaneAndMesh(plane, 0))
{
keepPolygons = keepPolygons.Union(GetFacePolygon(transformedMeshes[0], keepFaceSets.sourceFaceIndex, flattenedMatrix));
}
// subtract every face from the mesh 0 faces
// teselate and add what is left
var keepPolygons = new Polygons();
foreach (var keepFaceSets in FacesSetsForPlaneAndMesh(plane, 0))
{
var facePolygon = GetFacePolygon(transformedMeshes[0], keepFaceSets.sourceFaceIndex, flattenedMatrix);
keepPolygons = keepPolygons.Union(facePolygon);
}
// iterate all the meshes that need to be subtracted
var removePoygons = new Polygons();
for (int removeMeshIndex = 1; removeMeshIndex < meshesWithFaces.Count; removeMeshIndex++)
{
foreach (var removeFaceSets in FacesSetsForPlaneAndMesh(plane, removeMeshIndex))
{
removePoygons = removePoygons.Union(GetFacePolygon(transformedMeshes[removeMeshIndex], removeFaceSets.sourceFaceIndex, flattenedMatrix));
}
}
// iterate all the meshes that need to be subtracted
var removePoygons = new Polygons();
for (int removeMeshIndex = 1; removeMeshIndex < meshesWithFaces.Count; removeMeshIndex++)
{
foreach (var removeFaceSets in FacesSetsForPlaneAndMesh(plane, removeMeshIndex))
{
removePoygons = removePoygons.Union(GetFacePolygon(transformedMeshes[removeMeshIndex], removeFaceSets.sourceFaceIndex, flattenedMatrix));
}
}
var polygonShape = new Polygons();
var clipper = new Clipper();
clipper.AddPaths(keepPolygons, PolyType.ptSubject, true);
clipper.AddPaths(removePoygons, PolyType.ptClip, true);
clipper.Execute(ClipType.ctDifference, polygonShape);
var polygonShape = new Polygons();
var clipper = new Clipper();
clipper.AddPaths(keepPolygons, PolyType.ptSubject, true);
clipper.AddPaths(removePoygons, PolyType.ptClip, true);
clipper.Execute(ClipType.ctDifference, polygonShape);
// teselate and add all the new polygons
polygonShape.Vertices(1).TriangulateFaces(null, resultsMesh, 0, flattenedMatrix.Inverted);
}
// teselate and add all the new polygons
var countPreAdd = resultsMesh.Faces.Count;
polygonShape.Vertices(1).TriangulateFaces(null, resultsMesh, 0, flattenedMatrix.Inverted);
EnsureFaceNormals(plane, resultsMesh, countPreAdd);
}
public void IntersectFaces(Plane plane, List<Mesh> transformedMeshes, Mesh resultsMesh, Matrix4X4 flattenedMatrix, HashSet<int> faceIndicesToRemove)
private static void EnsureFaceNormals(Plane plane, Mesh resultsMesh, int countPreAdd)
{
// Check that the new face normals are pointed in the right direction
if ((new Vector3(resultsMesh.Faces[countPreAdd].normal) - plane.Normal).LengthSquared > .1)
{
for (int i = countPreAdd; i < resultsMesh.Faces.Count; i++)
{
resultsMesh.FlipFace(i);
}
}
}
public void IntersectFaces(Plane plane, List<Mesh> transformedMeshes, Mesh resultsMesh, Matrix4X4 flattenedMatrix, HashSet<int> faceIndicesToRemove)
{
// get all meshes that have faces on this plane
var meshesWithFaces = MeshIndicesForPlane(plane).ToList();
@ -192,7 +207,9 @@ namespace MatterHackers.PolygonMesh
}
// teselate and add all the new polygons
var countPreAdd = resultsMesh.Faces.Count;
total.Vertices(1).TriangulateFaces(null, resultsMesh, 0, flattenedMatrix.Inverted);
EnsureFaceNormals(plane, resultsMesh, countPreAdd);
}
public void UnionFaces(Plane plane, List<Mesh> transformedMeshes, Mesh resultsMesh, Matrix4X4 flattenedMatrix)
@ -254,7 +271,9 @@ namespace MatterHackers.PolygonMesh
}
// teselate and add all the new polygons
var countPreAdd = resultsMesh.Faces.Count;
totalSlices.Vertices(1).TriangulateFaces(null, resultsMesh, 0, flattenedMatrix.Inverted);
EnsureFaceNormals(plane, resultsMesh, countPreAdd);
}
public void StoreFaceAdd(PlaneNormalXSorter planeSorter,