override protected void UpdateGeometry_internal()
{
// generate mesh tube
TubeGenerator meshGen = new TubeGenerator()
{
Vertices = new List <Vector3d>(curve.Vertices), Capped = true,
Polygon = polygon,
Frame = new Frame3f(Vector3f.Zero, Vector3f.AxisY)
};
meshGen.Generate();
Mesh newMesh = meshGen.MakeUnityMesh(false);
meshGO.SetMesh(newMesh);
// apparently this is expensive?
if (DeferRebuild == false)
{
meshGO.GetComponent <MeshCollider>().sharedMesh = meshGO.GetComponent <MeshFilter>().sharedMesh;
}
// expand local bounds
add_to_bounds(newMesh.bounds.min);
add_to_bounds(newMesh.bounds.max);
}
void update_geometry()
{
if (bUpdatePending == false && curve_timestamp == curve.Timestamp)
{
return;
}
if (curve.VertexCount < 2)
{
return;
}
// generate mesh tube
TubeGenerator meshGen = new TubeGenerator()
{
Vertices = new List <Vector3d>(curve.Vertices), Capped = true,
Polygon = polygon
//, Frame = new Frame3f(Vector3f.Zero, Vector3f.AxisY)
};
meshGen.Generate();
meshObject.SetMesh(meshGen.MakeUnityMesh(false));
bUpdatePending = false;
curve_timestamp = curve.Timestamp;
}
void validate_tube_meshes()
{
Polygon2d circle = Polygon2d.MakeCircle(Radius, Slices);
for (int i = 0; i < CurveSet.Length; ++i)
{
TubeGenerator gen = new TubeGenerator(CurveSet[i].curve, circle)
{
NoSharedVertices = false
};
gen.Generate();
CurveSet[i].tubeMeshGO = GameObjectFactory.CreateMeshGO("tube_" + i.ToString(),
gen.MakeUnityMesh(), false, true);
CurveSet[i].tubeMeshGO.SetMaterial(curveMaterial, true);
parentGO.AddChild(CurveSet[i].tubeMeshGO, false);
}
}
void append_path_mesh(PolyLine3d pathLine)
{
TubeGenerator tubegen = new TubeGenerator()
{
Vertices = new List <Vector3d>(pathLine.Vertices),
Polygon = TubeProfile,
ClosedLoop = false,
Capped = true,
NoSharedVertices = true
};
DMesh3 tubeMesh = tubegen.Generate().MakeDMesh();
List <DMesh3> layerList;
if (LayerMeshes.TryGetValue(ActivePath[0].z, out layerList) == false)
{
layerList = new List <DMesh3>();
LayerMeshes[ActivePath[0].z] = layerList;
}
layerList.Add(tubeMesh);
}
override protected void Create_internal(fMaterial useMaterial)
{
if (polygon == null)
{
polygon = Polygon2d.MakeCircle(0.3f, 8);
}
// generate mesh tube
TubeGenerator meshGen = new TubeGenerator()
{
Vertices = new List <Vector3d>(curve.Vertices), Capped = true,
Polygon = polygon,
Frame = new Frame3f(Vector3f.Zero, Vector3f.AxisY)
};
meshGen.Generate();
Mesh m = meshGen.MakeUnityMesh(false);
meshGO = UnityUtil.CreateMeshGO("tube_mesh", m, useMaterial, true);
AppendNewGO(meshGO, RootGameObject, false);
}
public DMesh3 MakeElementsMesh(Polygon2d spanProfile, Polygon2d loopProfile)
{
var result = new DMesh3();
validate_topology();
foreach (EdgeSpan span in Spans)
{
DCurve3 curve = span.ToCurve(Mesh);
var tubegen = new TubeGenerator(curve, spanProfile);
MeshEditor.Append(result, tubegen.Generate().MakeDMesh());
}
foreach (EdgeLoop loop in Loops)
{
DCurve3 curve = loop.ToCurve(Mesh);
var tubegen = new TubeGenerator(curve, loopProfile);
MeshEditor.Append(result, tubegen.Generate().MakeDMesh());
}
return(result);
}
public DMesh3 Make3DTubes(Interval1i layer_range, double merge_tol, double tube_radius)
{
Polygon2d tube_profile = Polygon2d.MakeCircle(tube_radius, 8);
Frame3f frame = Frame3f.Identity;
DMesh3 full_mesh = new DMesh3();
foreach (int layer_i in layer_range)
{
PlanarSlice slice = Slices[layer_i];
frame.Origin = new Vector3f(0, 0, slice.Z);
foreach (GeneralPolygon2d gpoly in slice.Solids)
{
List <Polygon2d> polys = new List <Polygon2d>()
{
gpoly.Outer
}; polys.AddRange(gpoly.Holes);
foreach (Polygon2d poly in polys)
{
Polygon2d simpPoly = new Polygon2d(poly);
simpPoly.Simplify(merge_tol, 0.01, true);
if (simpPoly.VertexCount < 3)
{
Util.gBreakToDebugger();
}
TubeGenerator tubegen = new TubeGenerator(simpPoly, frame, tube_profile)
{
NoSharedVertices = true
};
DMesh3 tubeMesh = tubegen.Generate().MakeDMesh();
MeshEditor.Append(full_mesh, tubeMesh);
}
}
}
return(full_mesh);
}
public static void test_tube_generator()
{
Polygon2d circle_path = Polygon2d.MakeCircle(50, 64);
PolyLine2d arc_path = new PolyLine2d(circle_path.Vertices.Take(circle_path.VertexCount / 2));
Polygon2d irreg_path = new Polygon2d();
for (int k = 0; k < circle_path.VertexCount; ++k)
{
irreg_path.AppendVertex(circle_path[k]);
k += k / 2;
}
PolyLine2d irreg_arc_path = new PolyLine2d(irreg_path.Vertices.Take(circle_path.VertexCount - 1));
Polygon2d square_profile = Polygon2d.MakeCircle(7, 32);
square_profile.Translate(4 * Vector2d.One);
//square_profile[0] = 20 * square_profile[0].Normalized;
bool no_shared = true;
WriteGeneratedMesh(
new TubeGenerator(circle_path, Frame3f.Identity, square_profile)
{
WantUVs = true, NoSharedVertices = no_shared
},
"tubegen_loop_standarduv.obj");
WriteGeneratedMesh(
new TubeGenerator(irreg_path, Frame3f.Identity, square_profile)
{
WantUVs = true, NoSharedVertices = no_shared
},
"tubegen_irregloop_standarduv.obj");
WriteGeneratedMesh(
new TubeGenerator(arc_path, Frame3f.Identity, square_profile)
{
WantUVs = true, NoSharedVertices = no_shared
},
"tubegen_arc_standarduv.obj");
WriteGeneratedMesh(
new TubeGenerator(irreg_arc_path, Frame3f.Identity, square_profile)
{
WantUVs = true, NoSharedVertices = no_shared
},
"tubegen_irregarc_standarduv.obj");
// append tube border around each hole of input mesh
DMesh3 inMesh = TestUtil.LoadTestInputMesh("n_holed_bunny.obj");
Polygon2d bdrycirc = Polygon2d.MakeCircle(0.25, 6);
MeshBoundaryLoops loops = new MeshBoundaryLoops(inMesh);
foreach (EdgeLoop loop in loops)
{
DCurve3 curve = loop.ToCurve().ResampleSharpTurns();
TubeGenerator gen = new TubeGenerator(curve, bdrycirc)
{
NoSharedVertices = false
};
MeshEditor.Append(inMesh, gen.Generate().MakeDMesh());
}
TestUtil.WriteTestOutputMesh(inMesh, "boundary_tubes.obj");
}
public static void test_basic_generators()
{
TrivialDiscGenerator disc_gen = new TrivialDiscGenerator();
disc_gen.Generate();
WriteGeneratedMesh(disc_gen, "meshgen_Disc.obj");
TrivialRectGenerator rect_gen = new TrivialRectGenerator();
rect_gen.Generate();
WriteGeneratedMesh(rect_gen, "meshgen_Rect.obj");
GriddedRectGenerator gridrect_gen = new GriddedRectGenerator();
gridrect_gen.Generate();
WriteGeneratedMesh(gridrect_gen, "meshgen_GriddedRect.obj");
PuncturedDiscGenerator punc_disc_gen = new PuncturedDiscGenerator();
punc_disc_gen.Generate();
WriteGeneratedMesh(punc_disc_gen, "meshgen_PuncturedDisc.obj");
TrivialBox3Generator box_gen = new TrivialBox3Generator();
Frame3f f = Frame3f.Identity;
f.Rotate(Quaternionf.AxisAngleD(Vector3f.AxisY, 45.0f));
f.Rotate(Quaternionf.AxisAngleD(Vector3f.AxisZ, 45.0f));
box_gen.Box = new Box3d(f.Origin, f.X, f.Y, f.Z, new Vector3d(3, 2, 1));
box_gen.Generate();
WriteGeneratedMesh(box_gen, "meshgen_TrivialBox_shared.obj");
box_gen.NoSharedVertices = true;
box_gen.Generate();
WriteGeneratedMesh(box_gen, "meshgen_TrivialBox_noshared.obj");
RoundRectGenerator roundrect_gen = new RoundRectGenerator();
roundrect_gen.Width = 2;
roundrect_gen.Generate();
WriteGeneratedMesh(roundrect_gen, "meshgen_RoundRect.obj");
GridBox3Generator gridbox_gen = new GridBox3Generator();
gridbox_gen.Generate();
WriteGeneratedMesh(gridbox_gen, "meshgen_GridBox_shared.obj");
gridbox_gen.NoSharedVertices = true;
gridbox_gen.Generate();
WriteGeneratedMesh(gridbox_gen, "meshgen_GridBox_noshared.obj");
Sphere3Generator_NormalizedCube normcube_gen = new Sphere3Generator_NormalizedCube();
normcube_gen.Generate();
WriteGeneratedMesh(normcube_gen, "meshgen_Sphere_NormalizedCube_shared.obj");
normcube_gen.NoSharedVertices = true;
normcube_gen.Box = new Box3d(new Frame3f(Vector3f.One, Vector3f.One), Vector3d.One * 1.3);
normcube_gen.Generate();
WriteGeneratedMesh(normcube_gen, "meshgen_Sphere_NormalizedCube_noshared.obj");
TubeGenerator tube_gen = new TubeGenerator()
{
Vertices = new List <Vector3d>()
{
Vector3d.Zero, Vector3d.AxisX, 2 * Vector3d.AxisX, 3 * Vector3d.AxisX
},
Polygon = Polygon2d.MakeCircle(1, 16)
};
tube_gen.Generate();
WriteGeneratedMesh(tube_gen, "meshgen_TubeGenerator.obj");
tube_gen.Polygon.Translate(Vector2d.One);
tube_gen.CapCenter = Vector2d.One;
tube_gen.Generate();
WriteGeneratedMesh(tube_gen, "meshgen_TubeGenerator_shifted.obj");
}
public static void quick_test()
{
DMesh3 mesh = StandardMeshReader.ReadMesh("c:\\scratch\\block.obj");
DMeshAABBTree3 spatial = new DMeshAABBTree3(mesh, true);
Vector3d rayCenter = new Vector3d(0, 0, 1);
Frame3f rayFrame = new Frame3f(rayCenter, Vector3d.AxisZ);
List <Frame3f> frames = new List <Frame3f>();
// how far into surface we will inset
float SurfaceOffset = 0.01f;
double step = 2.5f;
for (double angle = 0; angle < 360; angle += step)
{
double dx = Math.Cos(angle * MathUtil.Deg2Rad),
dy = Math.Sin(angle * MathUtil.Deg2Rad);
Vector3d dir = dx * (Vector3d)rayFrame.X + dy * (Vector3d)rayFrame.Y;
Ray3d ray = new Ray3d(rayFrame.Origin, dir.Normalized);
Frame3f hitFrame;
if (MeshQueries.RayHitPointFrame(mesh, spatial, ray, out hitFrame))
{
frames.Add(hitFrame);
}
}
int N = frames.Count;
for (int k = 0; k < N; ++k)
{
Frame3f f = frames[k];
int prev = (k == 0) ? N - 1 : k - 1;
int next = (k + 1) % N;
//Vector3f dv = frames[(k + 1) % frames.Count].Origin - f.Origin;
Vector3f dv = frames[next].Origin - frames[prev].Origin;
dv.Normalize();
f.ConstrainedAlignAxis(0, dv, f.Z);
f.Origin = f.Origin + SurfaceOffset * f.Z;
frames[k] = f;
}
//Frame3f f = frames[0];
//Vector3f dv = (frames[1].Origin - frames[0].Origin).Normalized;
//f.ConstrainedAlignAxis(1, dv, f.Z);
//for (int k = 1; k < frames.Count; ++k) {
// f.Origin = frames[k].Origin;
// f.AlignAxis(2, frames[k].Z);
// frames[k] = f;
//}
List <Vector3d> vertices = frames.ConvertAll((ff) => { return((Vector3d)ff.Origin); });
TubeGenerator tubegen = new TubeGenerator()
{
Vertices = vertices,
Polygon = Polygon2d.MakeCircle(0.05, 16),
NoSharedVertices = false
};
DMesh3 tubeMesh = tubegen.Generate().MakeDMesh();
TestUtil.WriteTestOutputMeshes(new List <IMesh>()
{
mesh, tubeMesh
}, "curve_tube.obj");
SimpleQuadMesh stripMeshY = new SimpleQuadMesh();
double w = 0.1;
int preva = -1, prevb = -1;
for (int k = 0; k < N; ++k)
{
Vector3d pa = frames[k].Origin + w * (Vector3d)frames[k].Y;
Vector3d pb = frames[k].Origin - w * (Vector3d)frames[k].Y;
int a = stripMeshY.AppendVertex(pa);
int b = stripMeshY.AppendVertex(pb);
if (preva != -1)
{
stripMeshY.AppendQuad(preva, prevb, b, a);
}
preva = a; prevb = b;
}
stripMeshY.AppendQuad(preva, prevb, 1, 0);
SimpleQuadMesh.WriteOBJ(stripMeshY, TEST_OUTPUT_PATH + "quadstripy.obj", WriteOptions.Defaults);
SimpleQuadMesh stripMeshZ = new SimpleQuadMesh();
preva = -1; prevb = -1;
double wz = 0.1;
for (int k = 0; k < N; ++k)
{
Vector3d pa = frames[k].Origin + wz * (Vector3d)frames[k].Z;
Vector3d pb = frames[k].Origin - wz * (Vector3d)frames[k].Z;
int a = stripMeshZ.AppendVertex(pa);
int b = stripMeshZ.AppendVertex(pb);
if (preva != -1)
{
stripMeshZ.AppendQuad(preva, prevb, b, a);
}
preva = a; prevb = b;
}
stripMeshZ.AppendQuad(preva, prevb, 1, 0);
SimpleQuadMesh.WriteOBJ(stripMeshZ, TEST_OUTPUT_PATH + "quadstripz.obj", WriteOptions.Defaults);
}