public override void CreateMesh()
{
var box = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_BOX_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_BOX_COORDINATES);
var sphere = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_SPHERE_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_SPHERE_COORDINATES);
sphere.scale(0.68, 0.68, 0.68);
var cylinder1 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder1.scale(0.38, 1, 0.38);
var cylinder2 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder2.scale(0.38, 1, 0.38);
cylinder2.rotate(Math.PI / 2, 0);
var cylinder3 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder3.scale(0.38, 1, 0.38);
cylinder3.rotate(Math.PI / 2, 0);
cylinder3.rotate(0, Math.PI / 2);
//--
//mesh = s;
//--
// var modeller = new Net3dBool.BooleanModeller(b, c1);
// mesh = modeller.getDifference();
//--
var modeller = new Net3dBool.BooleanModeller(box, sphere);
var tmp = modeller.GetIntersection();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder1);
tmp = modeller.GetDifference();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder2);
tmp = modeller.GetDifference();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder3);
tmp = modeller.GetDifference();
mesh = tmp;
}
public override void CreateMesh()
{
var start = DateTime.UtcNow;
Console.Write("Generate mesh...");
var box = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_BOX_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_BOX_COORDINATES);
var sphere = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_SPHERE_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_SPHERE_COORDINATES);
sphere.scale(0.68, 0.68, 0.68);
var cylinder1 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder1.scale(0.38, 1, 0.38);
var cylinder2 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder2.scale(0.38, 1, 0.38);
cylinder2.rotate(Math.PI / 2, 0);
var cylinder3 = new Net3dBool.Solid(Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_VERTICES, Net3dBool.DefaultCoordinates.DEFAULT_CYLINDER_COORDINATES);
cylinder3.scale(0.38, 1, 0.38);
cylinder3.rotate(Math.PI / 2, 0);
cylinder3.rotate(0, Math.PI / 2);
var modeller = new Net3dBool.BooleanModeller(box, sphere);
var tmp = modeller.GetIntersection();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder1);
tmp = modeller.GetDifference();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder2);
tmp = modeller.GetDifference();
modeller = new Net3dBool.BooleanModeller(tmp, cylinder3);
tmp = modeller.GetDifference();
mesh = tmp;
var elapsed = DateTime.UtcNow - start;
Console.WriteLine("done.");
Console.WriteLine("Consumed time: {0}", elapsed);
}
public static void BoolActionExecute(Component_MeshInSpace firstMeshInSpace, Component_MeshInSpace secondMeshInSpace, UndoMultiAction undo, DocumentInstance document, BoolActionEnum boolAction)
{
//the first operand of the union operation must be a single geometry, otherwise duplicate parts will be made.
if (boolAction == BoolActionEnum.Union && 1 < firstMeshInSpace.Mesh.Value.GetComponents <Component_MeshGeometry>().Length)
{
MergeGeometries(firstMeshInSpace.Mesh, document, undo);
}
bool needUndoForNextActions = true;
CommonFunctions.ConvertProceduralMeshGeometries(document, firstMeshInSpace.Mesh, undo, ref needUndoForNextActions);
List <(Vector3F[] positions, int[] indices)> data1List = GetData(firstMeshInSpace);
(Vector3F[] positions, int[] indices)data2 = MergeData(GetData(secondMeshInSpace));
//convert the second mesh in space, to the transform of first mesh in space
var matrix = firstMeshInSpace.Transform.Value.ToMatrix4().GetInverse() * secondMeshInSpace.Transform.Value.ToMatrix4();
Net3dBool.Vector3[] vertices2 = new Net3dBool.Vector3[data2.positions.Length];
for (int i = 0; i < data2.positions.Length; i++)
{
vertices2[i] = ToNet3DBoolVector3((matrix * data2.positions[i]).ToVector3F());
}
var operand2 = new Net3dBool.Solid(vertices2, data2.indices);
var geometries = firstMeshInSpace.Mesh.Value.GetComponents <Component_MeshGeometry>();
var resultGeometries = new List <(Vector3F[] positions, int[] indices, MeshData.MeshGeometryFormat format)>();
var geometriesToDelete = new List <Component_MeshGeometry>();
for (int geomIndex = 0; geomIndex < data1List.Count; geomIndex++)
{
var data1 = data1List[geomIndex];
Net3dBool.Vector3[] vertices1 = data1.positions.Select(ToNet3DBoolVector3).ToArray();
var modeller = new Net3dBool.BooleanModeller(new Net3dBool.Solid(vertices1, data1.indices), operand2); //Большую часть времени на вычисления занимает эта сторка
Net3dBool.Solid result = null;
switch (boolAction)
{
case BoolActionEnum.Union: result = modeller.GetUnion(); break;
case BoolActionEnum.Intersect: result = modeller.GetIntersection(); break;
case BoolActionEnum.Subtract: result = modeller.GetDifference(); break;
default: return;
}
var newVertices = result.getVertices().Select(ToVector3F).ToArray();
if (0 < newVertices.Length)
{
resultGeometries.Add((newVertices, result.getIndices(), new MeshData.MeshGeometryFormat(geometries[geomIndex].VertexStructure)));
}
else
{
geometriesToDelete.Add(geometries[geomIndex]);
}
}
foreach (var g in resultGeometries)
{
if (!CheckValid(g.positions, g.indices))
{
throw new Exception();
}
}
//delete empty mesh geometry //
if (0 < geometriesToDelete.Count)
{
undo?.AddAction(new UndoActionComponentCreateDelete(document, geometriesToDelete.ToArray(), create: false));
}
var meshData = MeshData.BuildFromRaw(resultGeometries);
meshData?.Save(firstMeshInSpace.Mesh.Value, needUndoForNextActions ? undo : null, null); //??? No selection?
firstMeshInSpace.Mesh.Value?.RebuildStructure();
}
private StaticMeshComponent CreateMesh()
{
var mesh = Mesh.CreateCube().ToPrimitive(MeshFaceType.Triangle);
mesh.CreateFacesAndIndicies();
mesh.Scale(10);
var ind = mesh.GetIndiciesArray();
var vert = mesh.GetComponent <MeshPosition3Component>().ToArray().Select(s => new Vector3d(s.X, s.Y, s.Z)).ToArray();
var box = new Net3dBool.Solid(vert, ind);
mesh = Mesh.CreateCube().ToPrimitive(MeshFaceType.Triangle);
mesh.CreateFacesAndIndicies();
mesh.Scale(3);
ind = mesh.GetIndiciesArray();
vert = mesh.GetComponent <MeshPosition3Component>().ToArray().Select(s => new Vector3d(s.X, s.Y, s.Z)).ToArray();
var box2 = new Net3dBool.Solid(vert, ind);
mesh = Mesh.CreateCube().ToPrimitive(MeshFaceType.Triangle);
mesh.CreateFacesAndIndicies();
mesh.Scale(2);
mesh.Translate(1, 0, 0);
ind = mesh.GetIndiciesArray();
vert = mesh.GetComponent <MeshPosition3Component>().ToArray().Select(s => new Vector3d(s.X, s.Y, s.Z)).ToArray();
var box3 = new Net3dBool.Solid(vert, ind);
var modeller = new Net3dBool.BooleanModeller(box, box2);
var tmp = modeller.GetDifference();
modeller = new Net3dBool.BooleanModeller(tmp, box3);
tmp = modeller.GetDifference();
VertexDataPosNormalColor[] data = tmp.GetVertices().Select(v => new VertexDataPosNormalColor(new Vector3((float)v.X, (float)v.Y, (float)v.Z), new Vector3(1, 0, 0), new Vector4(1, 1, 0, 1))).ToArray();
for (var i = 0; i < data.Length; i++)
{
var face = i / 3;
var vertex = i % 3;
// switch (vertex)
// {
// case 0:
// data[i].Color = new Vector4(1, 0, 0, 1);
// break;
// case 1:
// data[i].Color = new Vector4(0, 1, 0, 1);
// break;
// case 2:
// data[i].Color = new Vector4(0, 0, 1, 1);
// break;
// }
data[i].Normal = Vector3.UnitX;
}
var meshData = Mesh.CreateFromVertices(data, tmp.GetIndices().ToArray());
meshData.Expand();
meshData.RecalculateNormals(25f);
var material = new Material
{
Ambient = 0.5f,
Color = new Vector4(1, 1, 1, 1),
UseVertexColor = true,
PipelineType = PipelineType.Forward,
};
var comp = new StaticMeshComponent()
{
Name = "BoolMesh",
RelativeRotation = new Vector3(0, 0, 0.5f).ToQuaternion(),
RelativeScale = new Vector3(1),
RelativeTranslation = new Vector3(2, 0, 0.5f),
Material = material,
};
comp.SetMesh(meshData);
return(comp);
}
