public Hull(CreateHullData setup)
{
Point3DCollection points = new Point3DCollection();
double height = 0;
double width = 0;
double Z = 0;
Bulkheads = new List <Bulkhead>();
if (setup.IncludeBow)
{
Z = 0;
width = 0;
for (int ii = 0; ii < setup.NumChines + 1; ii++)
{
points.Add(new Point3D(width, height, Z));
height += setup.Height / setup.NumChines;
}
Bulkheads.Add(new Bulkhead(points, Bulkhead.BulkheadType.BOW));
}
// Vertical bulkheads
while (Bulkheads.Count < setup.NumBulkheads - 1)
{
points.Clear();
Z = Bulkheads.Count * setup.Length / setup.NumBulkheads;
width = 0;
height = 0;
for (int ii = 0; ii < setup.NumChines + 1; ii++)
{
points.Add(new Point3D(width, height, Z));
width += setup.Width / setup.NumChines;
height += setup.Height / setup.NumChines;
}
Bulkheads.Add(new Bulkhead(points, Bulkhead.BulkheadType.VERTICAL));
}
// Transom
points.Clear();
Z = Bulkheads.Count * setup.Length / setup.NumBulkheads;
width = 0;
height = 0;
for (int ii = 0; ii < setup.NumChines + 1; ii++)
{
points.Add(new Point3D(width, height, Z + height * Math.Cos(Math.PI / 180 * setup.TransomAngle)));
width += setup.Width / setup.NumChines;
height += setup.Height / setup.NumChines;
}
Bulkheads.Add(new Bulkhead(points, Bulkhead.BulkheadType.TRANSOM));
}
/// <summary>
/// Sets the coordinates of all the individual lines in the visual.
/// </summary>
/// <param name="args">
/// The <c>DependencyPropertyChangedEventArgs</c> object associated
/// with the property-changed event that resulted in this method
/// being called.
/// </param>
/// <param name="lines">
/// The <c>Point3DCollection</c> to be filled.
/// </param>
/// <remarks>
/// <para>
/// Classes that derive from <c>WireBase</c> override this
/// method to fill the <c>lines</c> collection.
/// It is custmary for implementations of this method to clear
/// the <c>lines</c> collection first before filling it.
/// Each pair of successive members of the <c>lines</c>
/// collection indicate one straight line.
/// </para>
/// <para>
/// The <c>WireLine</c> class implements this method by
/// clearing the <c>lines</c> collection and then adding
/// <c>Point1</c> and <c>Point2</c> to the collection.
/// </para>
/// </remarks>
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
lines.Clear();
lines.Add(Point1);
lines.Add(Point2);
}
/// <summary>
/// Sets the coordinates of all the individual lines in the visual.
/// </summary>
/// <param name="args">
/// The <c>DependencyPropertyChangedEventArgs</c> object associated
/// with the property-changed event that resulted in this method
/// being called.
/// </param>
/// <param name="lines">
/// The <c>Point3DCollection</c> to be filled.
/// </param>
/// <remarks>
/// <para>
/// Classes that derive from <c>WireBase</c> override this
/// method to fill the <c>lines</c> collection.
/// It is custmary for implementations of this method to clear
/// the <c>lines</c> collection first before filling it.
/// Each pair of successive members of the <c>lines</c>
/// collection indicate one straight line.
/// </para>
/// </remarks>
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
lines.Clear();
if (Data == null)
{
return;
}
Transform3D xform = Data.Transform;
foreach (PathFigure3D fig in Data.Figures)
{
PathFigure3D figFlattened = fig.GetFlattenedPathFigure();
Point3D pointStart = xform.Transform(figFlattened.StartPoint);
foreach (PathSegment3D seg in figFlattened.Segments)
{
PolyLineSegment3D segPoly = seg as PolyLineSegment3D;
for (int i = 0; i < segPoly.Points.Count; i++)
{
lines.Add(pointStart);
Point3D point = xform.Transform(segPoly.Points[i]);
lines.Add(point);
pointStart = point;
}
}
}
}
void OnRendering(object sender, EventArgs args)
{
// Detach collection from MeshGeometry3D.
Point3DCollection points = mesh.Positions;
mesh.Positions = null;
points.Clear();
// Calculation rotation quaternion.
double angle = 360.0 * (stopwatch.Elapsed.TotalSeconds %
secondsPerCycle) / secondsPerCycle;
Quaternion qRotate = new Quaternion(axis, angle);
Quaternion qConjugate = qRotate;
qConjugate.Conjugate();
// Apply rotation to each point.
foreach (Point3D point in pointsCuboid)
{
Quaternion qPoint = new Quaternion(point.X, point.Y, point.Z, 0);
qPoint -= qCenter;
Quaternion qRotatedPoint = qRotate * qPoint * qConjugate;
qRotatedPoint += qCenter;
points.Add(new Point3D(qRotatedPoint.X, qRotatedPoint.Y,
qRotatedPoint.Z));
}
// Re-attach collections to MeshGeometry3D.
mesh.Positions = points;
}
public void VerformteGeometrie(Model3DGroup modelGroup)
{
var mesh = new MeshGeometry3D();
foreach (var item in modell.Elemente)
{
var punkte = new Point3DCollection();
punktDictionary.Clear();
punkte.Clear();
foreach (var knotenId in item.Value.NodeIds)
{
if (modell.Knoten.TryGetValue(knotenId, out var knoten))
{
punkte.Add(new Point3D(knoten.Coordinates[0] + knoten.NodalDof[0] * überhöhungVerformung,
-knoten.Coordinates[2] - knoten.NodalDof[2] * überhöhungVerformung,
knoten.Coordinates[1] + knoten.NodalDof[1] * überhöhungVerformung));
}
}
ErzeugQuader(mesh, punkte);
// Erzeugung des Drahtmodells, thickness (Wichte der kanten) = 0.02
const double kantenwichte = 0.02;
var verformung = mesh.ToWireframe(kantenwichte);
var verformungMaterial = new DiffuseMaterial(Brushes.Red);
verformungsModell = new GeometryModel3D(verformung, verformungMaterial);
modelGroup.Children.Add(verformungsModell);
verformungen.Add(verformungsModell);
}
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="lines"></param>
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
Point3DCollection vertices = Positions;
Int32Collection indices = TriangleIndices;
lines.Clear();
if (vertices != null && vertices.Count > 0 &&
indices != null && indices.Count > 0)
{
// Check that this doesn't overflow !!!!!!
// -----------------------------------------
// Special logic if there are no indices !!!!
// -------------------------------------------
for (int i = 0; i < indices.Count; i += 3)
{
lines.Add(vertices[indices[i + 0]]);
lines.Add(vertices[indices[i + 1]]);
lines.Add(vertices[indices[i + 1]]);
lines.Add(vertices[indices[i + 2]]);
lines.Add(vertices[indices[i + 2]]);
lines.Add(vertices[indices[i + 0]]);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
MeshGeometry3D mesh = MeshGenerator.Geometry;
foreach (Point3D vertex in mesh.Positions)
{
vertices.Add(vertex);
}
foreach (Vector3D normal in mesh.Normals)
{
normals.Add(normal);
}
foreach (int index in mesh.TriangleIndices)
{
indices.Add(index);
}
foreach (Point texture in mesh.TextureCoordinates)
{
textures.Add(texture);
}
}
public void ShowPosition()
{
GrblViewModel model = (GrblViewModel)DataContext;
Machine.ToolPosition = null;
positionPoints.Clear();
if (Machine.Limits.X == 0d)
{
Machine.SetLimits(GrblSettings.GetDouble(GrblSetting.AxisSetting_XMaxTravel),
GrblSettings.GetDouble(GrblSetting.AxisSetting_YMaxTravel),
GrblSettings.GetDouble(GrblSetting.AxisSetting_ZMaxTravel));
}
positionPoints.Add(new Point3D(Math.Min(model.Position.X, model.ProgramLimits.MinX) - 5d, model.Position.Y, model.Position.Z));
positionPoints.Add(new Point3D(Machine.Limits.X, model.Position.Y, model.Position.Z));
positionPoints.Add(new Point3D(model.Position.X, Math.Min(model.Position.Y, model.ProgramLimits.MinY) - 5d, model.Position.Z));
positionPoints.Add(new Point3D(model.Position.X, Machine.Limits.Y, model.Position.Z));
positionPoints.Add(new Point3D(model.Position.X, model.Position.Y, Math.Min(model.Position.Z, model.ProgramLimits.MinZ) - 5d));
positionPoints.Add(new Point3D(model.Position.X, model.Position.Y, Machine.Limits.Z));
Machine.ToolPosition = positionPoints;
var orgpos = Machine.StartPosition;
Machine.SetStartPosition(model.Position.X, model.Position.Y, model.Position.Z);
if (Machine.RapidLines != null && Machine.RapidLines.Count > 0 && Machine.RapidLines[0].Equals(orgpos))
{
Machine.RapidLines.RemoveAt(0);
Machine.RapidLines.Insert(0, Machine.StartPosition);
}
}
/// <summary>
/// 只显示，不做居中
/// </summary>
/// <param name="rpList"></param>
/// <param name="Path"></param>
/// <param name="startLine"></param>
/// <param name="Length"></param>
/// <param name="filterMultiple"></param>
/// <returns></returns>
public static bool ReadTxtPoint3Ds(ref Point3DCollection rpList, string Path, int startLine, int Length, int filterMultiple = 1)
{
if (filterMultiple < 1)
{
filterMultiple = 1;
}
if (File.Exists(Path))
{
//using (StreamReader sr = new StreamReader("scan\\clipped_pointsShoes.pcd"))
using (StreamReader sr = new StreamReader(Path))
{
rpList.Clear();
String line;
int i = 0;
while ((line = sr.ReadLine()) != null)//按行读取 line为每行的数据
{
i++;
if (i < startLine)
{
continue;
}
if (i % filterMultiple == 0)
{
string[] parts = line.Trim().Split(' ');
if (parts.Length != Length && parts.Length != 3 && parts.Length != 6)
{
continue;
}
Point3D rp = new Point3D();
rp.X = -double.Parse(parts[0]);
rp.Y = -double.Parse(parts[1]);
rp.Z = double.Parse(parts[2]);
rpList.Add(rp);
}
}
if (rpList.Count() > 0)
{
//Point3D rp1 = rpList[0];
//rpList.Add(rp1);
}
else
{
return(false);
}
}
}
else
{
return(true);
}
return(true);
}
public void ClearAll()
{
points.Clear();
lines.Clear();
meshes.Clear();
xAxisPoints.Clear();
yAxisPoints.Clear();
zAxisPoints.Clear();
}
/// <summary>
/// Sets the coordinates of all the individual lines in the visual.
/// </summary>
/// <param name="args">
/// The <c>DependencyPropertyChangedEventArgs</c> object associated
/// with the property-changed event that resulted in this method
/// being called.
/// </param>
/// <param name="lines">
/// The <c>Point3DCollection</c> to be filled.
/// </param>
/// <remarks>
/// <para>
/// Classes that derive from <c>WireBase</c> override this
/// method to fill the <c>lines</c> collection.
/// It is custmary for implementations of this method to clear
/// the <c>lines</c> collection first before filling it.
/// Each pair of successive members of the <c>lines</c>
/// collection indicate one straight line.
/// </para>
/// <para>
/// The <c>WireLines</c> class implements this method by
/// clearing the <c>lines</c> collection and then copying
/// its own <c>Lines</c> collection to it.
/// </para>
/// </remarks>
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
lines.Clear();
foreach (Point3D point in Lines)
{
lines.Add(point);
}
}
public static void Reverse(Point3DCollection curve)
{
Point3DCollection copied = curve.Clone();
curve.Clear();
foreach (Point3D p in copied.Reverse())
{
curve.Add(p);
}
copied = null;
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Fill the vertices, normals, and textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double phi = Math.PI / 2 - stack * Math.PI / Stacks;
double y = Radius * Math.Sin(phi);
double scale = -Radius *Math.Cos(phi);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = scale * Math.Sin(theta);
double z = scale * Math.Cos(theta);
Vector3D normal = new Vector3D(x, y, z);
normals.Add(normal);
vertices.Add(normal.ToPoint3D());
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
if (stack != 0)
{
indices.Add((stack + 0) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
}
if (stack != Stacks - 1)
{
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice + 1);
}
}
}
}
/// <summary>
/// Reset scene to start configuration
/// </summary>
/// <param name="systemState">Actual system state</param>
public void ResetSimulation(SystemState systemState)
{
frame = 0;
UpdateState(systemState);
UpdateCamera(systemState);
cartTrajectoryPoints.Clear();
pendulumTrajectoryPoints.Clear();
cartTrajectoryPoints.Add(new Point3D(systemState.StateX.Position, systemState.StateY.Position, CartTrajectoryHeight));
pendulumTrajectoryPoints.Add(pendulum.MassLinkPoint);
WindArrow.Visible = false;
}
/*
* // Static method called for any property change.
* static void PropertyChanged(DependencyObject obj,
* DependencyPropertyChangedEventArgs args)
* {
* (obj as TorusMesh).PropertyChanged(args);
* }
*/
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Fill the vertices, normals, and textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double phi = stack * 2 * Math.PI / Stacks;
double xCenter = Radius * Math.Sin(phi);
double yCenter = Radius * Math.Cos(phi);
Point3D pointCenter = new Point3D(xCenter, yCenter, 0);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices + Math.PI;
double x = (Radius + TubeRadius * Math.Cos(theta)) * Math.Sin(phi);
double y = (Radius + TubeRadius * Math.Cos(theta)) * Math.Cos(phi);
double z = -TubeRadius *Math.Sin(theta);
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - pointCenter);
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add((stack + 0) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice + 1);
}
}
}
/// <summary>
/// Sets the coordinates of all the individual lines in the visual.
/// </summary>
/// <param name="args">
/// The <c>DependencyPropertyChangedEventArgs</c> object associated
/// with the property-changed event that resulted in this method
/// being called.
/// </param>
/// <param name="lines">
/// The <c>Point3DCollection</c> to be filled.
/// </param>
/// <remarks>
/// <para>
/// Classes that derive from <c>WireBase</c> override this
/// method to fill the <c>lines</c> collection.
/// It is custmary for implementations of this method to clear
/// the <c>lines</c> collection first before filling it.
/// Each pair of successive members of the <c>lines</c>
/// collection indicate one straight line.
/// </para>
/// <para>
/// The <c>WirePolyline</c> class implements this method by
/// clearing the <c>lines</c> collection and then breaking
/// down its <c>Points</c> collection into individual lines
/// and then adding the start and end points to the collection.
/// </para>
/// </remarks>
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
Point3DCollection points = Points;
lines.Clear();
for (int i = 0; i < points.Count - 1; i++)
{
lines.Add(points[i]);
lines.Add(points[i + 1]);
}
}
private void pointsList_KeyDown(object sender, KeyEventArgs e)
{
ListBox listBox = (ListBox)sender;
if (e.Key == Key.Delete)
{
int selectedIndex = listBox.SelectedIndex;
point3Ds.RemoveAt(selectedIndex);
PointsList();
trianglesList.Items.Clear();
triangles3Ds.Clear();
}
}
/// <summary>
/// Duplicate two Point3DCollection objects.
/// </summary>
/// <param name="from">Original collection.</param>
/// <param name="to">Recipient collection.</param>
public static void ClonePoints(Point3DCollection from, Point3DCollection to)
{
if (from == null)
{
throw new ArgumentNullException("from");
}
if (to == null)
{
throw new ArgumentNullException("to");
}
to.Clear();
CopyPoints(from, to);
}
void SegmentsPropertyChanged()
{
PolyLineSegment3D polyseg = figFlattened.Segments[0] as PolyLineSegment3D;
Point3DCollection points = polyseg.Points;
polyseg.Points = null;
points.Clear();
Point3D ptStart = StartPoint;
foreach (PathSegment3D seg in Segments)
{
if (seg is LineSegment3D)
{
LineSegment3D segLine = seg as LineSegment3D;
points.Add(segLine.Point);
ptStart = segLine.Point;
}
else if (seg is PolyLineSegment3D)
{
PolyLineSegment3D segPoly = seg as PolyLineSegment3D;
foreach (Point3D pt in segPoly.Points)
{
points.Add(pt);
ptStart = pt;
}
}
else if (seg is BezierSegment3D)
{
BezierSegment3D segBez = seg as BezierSegment3D;
ConvertBezier(points, ptStart, segBez.Point1, segBez.Point2, segBez.Point3);
ptStart = segBez.Point3;
}
else if (seg is PolyBezierSegment3D)
{
PolyBezierSegment3D segPoly = seg as PolyBezierSegment3D;
for (int i = 0; i < segPoly.Points.Count; i += 3)
{
ConvertBezier(points, ptStart, segPoly.Points[i], segPoly.Points[i + 1], segPoly.Points[i + 2]);
ptStart = segPoly.Points[i + 2];
}
}
}
polyseg.Points = points;
}
public void resetData()
{
//Clear the buffers
foreach (List <int> sublist in history)
{
sublist.Clear();
}
foreach (List <int> sublist in inverse_history)
{
sublist.Clear();
}
pointHist.Clear();
point3DHist.Clear();
data_history.Clear();
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Variables for vertices collection.
Vector3D UL = (Vector3D)UpperLeft;
Vector3D UR = (Vector3D)UpperRight;
Vector3D LL = (Vector3D)LowerLeft;
Vector3D LR = (Vector3D)LowerRight;
int product = Slices * Stacks;
// Variables for textures collection
Point ptOrigin = new Point(0, 0);
Vector vectSlice = (new Point(1, 0) - ptOrigin) / Slices;
Vector vectStack = (new Point(0, 1) - ptOrigin) / Stacks;
for (int stack = 0; stack <= Stacks; stack++)
{
for (int slice = 0; slice <= Slices; slice++)
{
vertices.Add((Point3D)(((Stacks - stack) * (Slices - slice) * UL +
stack * (Slices - slice) * LL +
(Stacks - stack) * slice * UR +
stack * slice * LR) / product));
textures.Add(ptOrigin + stack * vectStack + slice * vectSlice);
if (slice < Slices && stack < Stacks)
{
indices.Add((Slices + 1) * stack + slice);
indices.Add((Slices + 1) * (stack + 1) + slice);
indices.Add((Slices + 1) * stack + slice + 1);
indices.Add((Slices + 1) * stack + slice + 1);
indices.Add((Slices + 1) * (stack + 1) + slice);
indices.Add((Slices + 1) * (stack + 1) + slice + 1);
}
}
}
}
protected override void Generate(DependencyPropertyChangedEventArgs args,
Point3DCollection lines)
{
lines.Clear();
txtgen.Font = Font;
txtgen.FontSize = FontSize;
txtgen.Rounding = Rounding;
txtgen.Thickness = Thickness;
txtgen.BaselineDirection = BaselineDirection;
txtgen.Origin = Origin;
txtgen.UpDirection = UpDirection;
txtgen.VerticalAlignment = VerticalAlignment;
txtgen.HorizontalAlignment = HorizontalAlignment;
txtgen.Generate(lines, Text);
}
public void UnverformteGeometrie(Model3DGroup modelGroup, bool volumen)
{
var mesh = new MeshGeometry3D();
foreach (var item in modell.Elemente)
{
var punkte = new Point3DCollection();
punktDictionary.Clear();
punkte.Clear();
foreach (var knotenId in item.Value.NodeIds)
{
if (modell.Knoten.TryGetValue(knotenId, out var knoten))
{
punkte.Add(new Point3D(knoten.Coordinates[0], -knoten.Coordinates[2], knoten.Coordinates[1]));
}
}
ErzeugQuader(mesh, punkte);
if (volumen)
{
// Erzeugung des Oberflächenmodells
// Darstellung des Materials des Oberflächenmodells in LightGreen
var surfaceMaterial = new DiffuseMaterial(Brushes.LightGreen);
oberflächenModell = new GeometryModel3D(mesh, surfaceMaterial)
{
BackMaterial = surfaceMaterial
};
// Sichtbarkeit der Oberfläche von beiden Seiten
// Hinzufügen des Modells zur Modellgruppe
modelGroup.Children.Add(oberflächenModell);
oberflächen.Add(oberflächenModell);
}
// Erzeugung des Drahtmodells, thickness (Wichte der kanten) = 0.02
const double kantenwichte = 0.02;
var wireframe = mesh.ToWireframe(kantenwichte);
var wireframeMaterial = new DiffuseMaterial(Brushes.Black);
drahtModell = new GeometryModel3D(wireframe, wireframeMaterial);
modelGroup.Children.Add(drahtModell);
kanten.Add(drahtModell);
}
}
public void ClearViewport()
{
Machine.Clear();
linePoints.Clear();
rapidPoints.Clear();
retractPoints.Clear();
if (Machine.BoundingBox != null)
{
viewport.Children.Remove(Machine.BoundingBox);
}
if (Machine.Grid != null)
{
viewport.Children.Remove(Machine.Grid);
}
viewport.Children.Remove(Machine.Axes);
Machine.Axes.Children.Clear();
}
void Recalculate()
{
GeometryModel3D model = Content as GeometryModel3D;
MeshGeometry3D mesh = model.Geometry as MeshGeometry3D;
Point3DCollection points = mesh.Positions;
mesh.Positions = null;
points.Clear();
Int32Collection indices = mesh.TriangleIndices;
mesh.TriangleIndices = null;
indices.Clear();
int indicesBase = 0;
Point3DCollection lines = LineCollection;
for (int line = 0; line < lines.Count - 1; line += 2)
{
Point3D pt1 = lines[line + 0];
Point3D pt2 = lines[line + 1];
DoLine(pt1, pt2, points, indices, ref indicesBase);
if (line == 0 &&
(ArrowEnds & ArrowEnds.Start) == ArrowEnds.Start)
{
DoArrow(pt2, pt1, points, indices, ref indicesBase);
}
if (line > lines.Count - 4 &&
(ArrowEnds & ArrowEnds.End) == ArrowEnds.End)
{
DoArrow(pt1, pt2, points, indices, ref indicesBase);
}
}
mesh.TriangleIndices = indices;
mesh.Positions = points;
}
public static Point3DCollection RotatePoint3DCollection(Point3DCollection p, Matrix3D m)
{
/*Matrix3D m = new Matrix3D(
* 1,0, 0, 0,
* 0,1, 0, 0,
* 0, 0, 1, 0,
* 1, 0, 0, 1); //last column */
int pcSize = p.Count;
Point3D[] k = new Point3D[pcSize];
p.CopyTo(k, 0);
p.Clear();
m.Transform(k);
for (int i = 0; i < pcSize; i++)
{
p.Add(k[i]);
}
return(p);
}
/// <summary>
/// Clear out points/triangles and regenerates
/// </summary>
///<param name = "grid" ></ param >
private void InitializePointsAndTriangles()
{
_ptBuffer1.Clear();
_ptBuffer2.Clear();
_triangleIndices.Clear();
int nCurrIndex = 0; // March through 1-D arrays
for (int row = 0; row < _dimension; row++)
{
for (int col = 0; col < _dimension; col++)
{
// In grid, X/Y values are just row/col numbers
_ptBuffer1.Add(new Point3D(col, 0.0, row));
// Completing new square, add 2 triangles
if ((row > 0) && (col > 0))
{
// Triangle 1
_triangleIndices.Add(nCurrIndex - _dimension - 1);
_triangleIndices.Add(nCurrIndex);
_triangleIndices.Add(nCurrIndex - _dimension);
// Triangle 2
_triangleIndices.Add(nCurrIndex - _dimension - 1);
_triangleIndices.Add(nCurrIndex - 1);
_triangleIndices.Add(nCurrIndex);
}
nCurrIndex++;
}
}
// 2nd buffer exists only to have 2nd set of Z values
_ptBuffer2 = _ptBuffer1.Clone();
}
public override void UpdateGeometric()
{
if (model == null)
{
return;
}
positions.Clear();
indices.Clear();
texcoords.Clear();
for (int i = 0; i < particles.Count; ++i)
{
int positionIndex = i * 4;
int indexIndex = i * 6;
Particle p = particles[i];
ComputePositions(p, positions);
texcoords.Add(new System.Windows.Point(0.0, 0.0));
texcoords.Add(new System.Windows.Point(0.0, 1.0));
texcoords.Add(new System.Windows.Point(1.0, 1.0));
texcoords.Add(new System.Windows.Point(1.0, 0.0));
indices.Add(positionIndex);
indices.Add(positionIndex + 2);
indices.Add(positionIndex + 1);
indices.Add(positionIndex);
indices.Add(positionIndex + 3);
indices.Add(positionIndex + 2);
}
//((MeshGeometry3D)model.Geometry).Positions = positions;
//((MeshGeometry3D)model.Geometry).TriangleIndices = indices;
//((MeshGeometry3D)model.Geometry).TextureCoordinates = texcoords;
}
/// <summary>
/// Noktaları / üçgenleri temizleyin ve yeniler
/// </summary>
/// <param name="grid"></param>
private void InitializePointsAndTriangles()
{
_ptBuffer1.Clear();
_ptBuffer2.Clear();
_triangleIndices.Clear();
int nCurrIndex = 0; // March through 1-D arrays
for (int row = 0; row < _dimension; row++)
{
for (int col = 0; col < _dimension; col++)
{
//ızgarada, X / Y değerleri yalnızca satır / sütun sayılarıdır
_ptBuffer1.Add(new Point3D(col, 0.0, row));
// Yeni kare tamamlandığında, 2 üçgen ekleyin
if ((row > 0) && (col > 0))
{
// Triangle 1
_triangleIndices.Add(nCurrIndex - _dimension - 1);
_triangleIndices.Add(nCurrIndex);
_triangleIndices.Add(nCurrIndex - _dimension);
// Triangle 2
_triangleIndices.Add(nCurrIndex - _dimension - 1);
_triangleIndices.Add(nCurrIndex - 1);
_triangleIndices.Add(nCurrIndex);
}
nCurrIndex++;
}
}
//2. tampon, yalnızca 2. Z değeri setine sahip
_ptBuffer2 = _ptBuffer1.Clone();
}
public int GetPoints(int total_points, Point3DCollection points)
{
points.Clear();
// B[1-4, segment, axis]
double[,,] B = new double[4, m_numPoints - 1, 3];
// Compute the coefficients
for (int seg = 0; seg < m_numPoints - 1; seg++)
{
for (int axis = 0; axis < 3; axis++)
{
double tmax = m_chordLength[seg];
B[0, seg, axis] = GetCoord(m_points[seg], axis);
B[1, seg, axis] = m_b_matrix[seg, axis];
B[2, seg, axis] = 3 / (tmax * tmax) * (GetCoord(m_points[seg + 1], axis) - GetCoord(m_points[seg], axis))
- 2 / tmax * m_b_matrix[seg, axis]
- 1.0 / tmax * m_b_matrix[seg + 1, axis];
B[3, seg, axis] = 2 / (tmax * tmax * tmax) * (GetCoord(m_points[seg], axis) - GetCoord(m_points[seg + 1], axis))
+ 1.0 / (tmax * tmax) * m_b_matrix[seg, axis]
+ 1.0 / (tmax * tmax) * m_b_matrix[seg + 1, axis];
}
}
int pointsPerSegment = (total_points - 1) / (m_numPoints - 1);
int index = 0;
for (int seg = 0; seg < m_numPoints - 1; seg++)
{
double tmax = m_chordLength[seg];
for (int point = 0; point < pointsPerSegment; point++)
{
double t = point * tmax / pointsPerSegment;
Point3D loc = new Point3D();
loc.X = B[0, seg, 0] +
B[1, seg, 0] * t +
B[2, seg, 0] * t * t +
B[3, seg, 0] * t * t * t;
loc.Y = B[0, seg, 1] +
B[1, seg, 1] * t +
B[2, seg, 1] * t * t +
B[3, seg, 1] * t * t * t;
loc.Z = B[0, seg, 2] +
B[1, seg, 2] * t +
B[2, seg, 2] * t * t +
B[3, seg, 2] * t * t * t;
points.Add(loc);
index++;
}
}
// Set the end point
points.Add(m_points[m_numPoints - 1]);
return(index + 1);
}
