Я создал объект цилиндра в C# WPF, я хочу повернуть его вдоль оси, как диск pls help
я создал 3D цилиндр в 3D в WPF в C#.я хочу, чтобы повернуть его как диск вдоль оси просьба помочь.....я отправляю мой код ниже
namespace Cylinder
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
MouseUtilities trackball;
public ScreenSpaceLines3D CircleWireFrame = new ScreenSpaceLines3D();
public MainWindow()
{
InitializeComponent();
trackball = new MouseUtilities();
trackball.EventSource = objGrid;
camera.Transform = trackball.Transform;
objGrid.MouseWheel += new System.Windows.Input.MouseWheelEventHandler(objGrid_MouseWheel);
Create3DCircle(new Point3D(0, 0, 1.1), new Point3D(0, 0, 1.2), Colors.Green);
// Create3DCircle(new Point3D(0, 0, 1.2), new Point3D(0, 0, 1.3), Colors.White);
//Create3DCircle(new Point3D(0, 0, 1.3), new Point3D(0, 0, 1.4), Colors.Orange);
}
private void objGrid_MouseWheel(object sender, MouseWheelEventArgs e)
{
e.Handled = true;
}
public void Create3DCircle(Point3D firstPoint, Point3D secondPoint, Color color)
{
ModelVisual3D models = new ModelVisual3D();
Custom3DCircle cy = new Custom3DCircle(firstPoint, secondPoint, 0.4, color, CircleWireFrame);
models = cy.GetModelVisual3D();
models.Transform = new Transform3DGroup();
CircleWireFrame = cy.m_objScreenSpaceLines3D;
CircleWireFrame.Color = Colors.Black;
if (!this.mainViewPort.Children.Contains(CircleWireFrame))
this.mainViewPort.Children.Add(CircleWireFrame);
if (!this.mainViewPort.Children.Contains(models))
this.mainViewPort.Children.Add(models);
}
}
}
#region CustomCylinder
class Custom3DCircle
{
#region Member Variables
public ModelVisual3D models = new ModelVisual3D();
public Point3D firstPoint = new Point3D();
public Point3D secondPoint = new Point3D();
public Color WellColors = Colors.Purple;
public double radius;
public ScreenSpaceLines3D m_objScreenSpaceLines3D;
#endregion
#region Constructor
public Custom3DCircle(Point3D objfirstPoint,Point3D objSecondPoint, double objRadius, Color objColor, ScreenSpaceLines3D objScreenSpaceLines3D)
{
firstPoint = objfirstPoint;
secondPoint = objSecondPoint;
WellColors = objColor;
radius = objRadius;
m_objScreenSpaceLines3D = objScreenSpaceLines3D;
}
#endregion
#region Methods
public ModelVisual3D GetModelVisual3D()
{
var midPoint = (firstPoint - secondPoint);
models = Get3Dcircle(GetSurfaceMaterial(WellColors),secondPoint,radius,midPoint.Z);
return models;
}
public ModelVisual3D Get3Dcircle(MaterialGroup materialGroup, Point3D midPoint, double radius, double depth)
{
var Circle3D = new Model3DGroup();
var nearCircle = new circle();
var farCircle = new circle();
var twoPi = Math.PI * 2;
var firstPass = true;
double x;
double y;
var increment = 0.1d;
for (double i = 0; i < twoPi + increment; i = i + increment)
{
x = (radius * Math.Cos(i));
y = (-radius * Math.Sin(i));
farCircle.CurrentTriangle.P0 = midPoint;
farCircle.CurrentTriangle.P1 = farCircle.LastPoint;
farCircle.CurrentTriangle.P2 = new Point3D(x + midPoint.X, y + midPoint.Y, midPoint.Z);
nearCircle.CurrentTriangle = farCircle.CurrentTriangle.Clone(depth, true);
if (!firstPass)
{
Circle3D.Children.Add(CreateTriangleModel(materialGroup, farCircle.CurrentTriangle));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, nearCircle.CurrentTriangle));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, farCircle.CurrentTriangle.P2, farCircle.CurrentTriangle.P1, nearCircle.CurrentTriangle.P2));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, nearCircle.CurrentTriangle.P2, nearCircle.CurrentTriangle.P1, farCircle.CurrentTriangle.P2));
}
else
{
farCircle.FirstPoint = farCircle.CurrentTriangle.P1;
nearCircle.FirstPoint = nearCircle.CurrentTriangle.P1;
firstPass = false;
}
farCircle.LastPoint = farCircle.CurrentTriangle.P2;
nearCircle.LastPoint = nearCircle.CurrentTriangle.P2;
}
var model = new ModelVisual3D() { Content = Circle3D };
return model;
}
public class circle
{
public circle()
{
CurrentTriangle = new Triangle();
}
public Point3D FirstPoint { get; set; }
public Point3D LastPoint { get; set; }
public Triangle CurrentTriangle { get; set; }
}
public class Triangle
{
public Point3D P0 { get; set; }
public Point3D P1 { get; set; }
public Point3D P2 { get; set; }
public Triangle Clone(double z, bool switchP1andP2)
{
var newTriangle = new Triangle();
newTriangle.P0 = GetPointAdjustedBy(this.P0, new Point3D(0, 0, z));
var point1 = GetPointAdjustedBy(this.P1, new Point3D(0, 0, z));
var point2 = GetPointAdjustedBy(this.P2, new Point3D(0, 0, z));
if (!switchP1andP2)
{
newTriangle.P1 = point1;
newTriangle.P2 = point2;
}
else
{
newTriangle.P1 = point2;
newTriangle.P2 = point1;
}
return newTriangle;
}
private Point3D GetPointAdjustedBy(Point3D point, Point3D adjustBy)
{
var newPoint = new Point3D { X = point.X, Y = point.Y, Z = point.Z };
newPoint.Offset(adjustBy.X, adjustBy.Y, adjustBy.Z);
return newPoint;
}
}
private Model3DGroup CreateTriangleModel(MaterialGroup materialGroup, Triangle triangle)
{
return CreateTriangleModel(materialGroup, triangle.P0, triangle.P1, triangle.P2);
}
private Model3DGroup CreateTriangleModel(Material material, Point3D p0, Point3D p1, Point3D p2)
{
var mesh = new MeshGeometry3D();
mesh.Positions.Add(p0);
mesh.Positions.Add(p1);
mesh.Positions.Add(p2);
mesh.TriangleIndices.Add(0);
mesh.TriangleIndices.Add(1);
mesh.TriangleIndices.Add(2);
var normal = CalculateNormal(p0, p1, p2);
mesh.Normals.Add(normal);
mesh.Normals.Add(normal);
mesh.Normals.Add(normal);
m_objScreenSpaceLines3D.Points.Add(p1);
m_objScreenSpaceLines3D.Points.Add(p2);
var model = new GeometryModel3D(mesh, material);
var group = new Model3DGroup();
group.Children.Add(model);
return group;
}
private Vector3D CalculateNormal(Point3D p0, Point3D p1, Point3D p2)
{
var v0 = new Vector3D(p1.X - p0.X, p1.Y - p0.Y, p1.Z - p0.Z);
var v1 = new Vector3D(p2.X - p1.X, p2.Y - p1.Y, p2.Z - p1.Z);
return Vector3D.CrossProduct(v0, v1);
}
public MaterialGroup GetSurfaceMaterial(Color colour)
{
var materialGroup = new MaterialGroup();
var emmMat = new EmissiveMaterial(new SolidColorBrush(colour));
materialGroup.Children.Add(emmMat);
materialGroup.Children.Add(new DiffuseMaterial(new SolidColorBrush(colour)));
var specMat = new SpecularMaterial(new SolidColorBrush(Colors.White), 30);
materialGroup.Children.Add(specMat);
return materialGroup;
}
#endregion
}
#endregion
Что я уже пробовал:
namespace Cylinder
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
MouseUtilities trackball;
public ScreenSpaceLines3D CircleWireFrame = new ScreenSpaceLines3D();
public MainWindow()
{
InitializeComponent();
trackball = new MouseUtilities();
trackball.EventSource = objGrid;
camera.Transform = trackball.Transform;
objGrid.MouseWheel += new System.Windows.Input.MouseWheelEventHandler(objGrid_MouseWheel);
Create3DCircle(new Point3D(0, 0, 1.1), new Point3D(0, 0, 1.2), Colors.Green);
// Create3DCircle(new Point3D(0, 0, 1.2), new Point3D(0, 0, 1.3), Colors.White);
//Create3DCircle(new Point3D(0, 0, 1.3), new Point3D(0, 0, 1.4), Colors.Orange);
}
private void objGrid_MouseWheel(object sender, MouseWheelEventArgs e)
{
e.Handled = true;
}
public void Create3DCircle(Point3D firstPoint, Point3D secondPoint, Color color)
{
ModelVisual3D models = new ModelVisual3D();
Custom3DCircle cy = new Custom3DCircle(firstPoint, secondPoint, 0.4, color, CircleWireFrame);
models = cy.GetModelVisual3D();
models.Transform = new Transform3DGroup();
CircleWireFrame = cy.m_objScreenSpaceLines3D;
CircleWireFrame.Color = Colors.Black;
if (!this.mainViewPort.Children.Contains(CircleWireFrame))
this.mainViewPort.Children.Add(CircleWireFrame);
if (!this.mainViewPort.Children.Contains(models))
this.mainViewPort.Children.Add(models);
}
}
}
#region CustomCylinder
class Custom3DCircle
{
#region Member Variables
public ModelVisual3D models = new ModelVisual3D();
public Point3D firstPoint = new Point3D();
public Point3D secondPoint = new Point3D();
public Color WellColors = Colors.Purple;
public double radius;
public ScreenSpaceLines3D m_objScreenSpaceLines3D;
#endregion
#region Constructor
public Custom3DCircle(Point3D objfirstPoint,Point3D objSecondPoint, double objRadius, Color objColor, ScreenSpaceLines3D objScreenSpaceLines3D)
{
firstPoint = objfirstPoint;
secondPoint = objSecondPoint;
WellColors = objColor;
radius = objRadius;
m_objScreenSpaceLines3D = objScreenSpaceLines3D;
}
#endregion
#region Methods
public ModelVisual3D GetModelVisual3D()
{
var midPoint = (firstPoint - secondPoint);
models = Get3Dcircle(GetSurfaceMaterial(WellColors),secondPoint,radius,midPoint.Z);
return models;
}
public ModelVisual3D Get3Dcircle(MaterialGroup materialGroup, Point3D midPoint, double radius, double depth)
{
var Circle3D = new Model3DGroup();
var nearCircle = new circle();
var farCircle = new circle();
var twoPi = Math.PI * 2;
var firstPass = true;
double x;
double y;
var increment = 0.1d;
for (double i = 0; i < twoPi + increment; i = i + increment)
{
x = (radius * Math.Cos(i));
y = (-radius * Math.Sin(i));
farCircle.CurrentTriangle.P0 = midPoint;
farCircle.CurrentTriangle.P1 = farCircle.LastPoint;
farCircle.CurrentTriangle.P2 = new Point3D(x + midPoint.X, y + midPoint.Y, midPoint.Z);
nearCircle.CurrentTriangle = farCircle.CurrentTriangle.Clone(depth, true);
if (!firstPass)
{
Circle3D.Children.Add(CreateTriangleModel(materialGroup, farCircle.CurrentTriangle));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, nearCircle.CurrentTriangle));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, farCircle.CurrentTriangle.P2, farCircle.CurrentTriangle.P1, nearCircle.CurrentTriangle.P2));
Circle3D.Children.Add(CreateTriangleModel(materialGroup, nearCircle.CurrentTriangle.P2, nearCircle.CurrentTriangle.P1, farCircle.CurrentTriangle.P2));
}
else
{
farCircle.FirstPoint = farCircle.CurrentTriangle.P1;
nearCircle.FirstPoint = nearCircle.CurrentTriangle.P1;
firstPass = false;
}
farCircle.LastPoint = farCircle.CurrentTriangle.P2;
nearCircle.LastPoint = nearCircle.CurrentTriangle.P2;
}
var model = new ModelVisual3D() { Content = Circle3D };
return model;
}
public class circle
{
public circle()
{
CurrentTriangle = new Triangle();
}
public Point3D FirstPoint { get; set; }
public Point3D LastPoint { get; set; }
public Triangle CurrentTriangle { get; set; }
}
public class Triangle
{
public Point3D P0 { get; set; }
public Point3D P1 { get; set; }
public Point3D P2 { get; set; }
public Triangle Clone(double z, bool switchP1andP2)
{
var newTriangle = new Triangle();
newTriangle.P0 = GetPointAdjustedBy(this.P0, new Point3D(0, 0, z));
var point1 = GetPointAdjustedBy(this.P1, new Point3D(0, 0, z));
var point2 = GetPointAdjustedBy(this.P2, new Point3D(0, 0, z));
if (!switchP1andP2)
{
newTriangle.P1 = point1;
newTriangle.P2 = point2;
}
else
{
newTriangle.P1 = point2;
newTriangle.P2 = point1;
}
return newTriangle;
}
private Point3D GetPointAdjustedBy(Point3D point, Point3D adjustBy)
{
var newPoint = new Point3D { X = point.X, Y = point.Y, Z = point.Z };
newPoint.Offset(adjustBy.X, adjustBy.Y, adjustBy.Z);
return newPoint;
}
}
private Model3DGroup CreateTriangleModel(MaterialGroup materialGroup, Triangle triangle)
{
return CreateTriangleModel(materialGroup, triangle.P0, triangle.P1, triangle.P2);
}
private Model3DGroup CreateTriangleModel(Material material, Point3D p0, Point3D p1, Point3D p2)
{
var mesh = new MeshGeometry3D();
mesh.Positions.Add(p0);
mesh.Positions.Add(p1);
mesh.Positions.Add(p2);
mesh.TriangleIndices.Add(0);
mesh.TriangleIndices.Add(1);
mesh.TriangleIndices.Add(2);
var normal = CalculateNormal(p0, p1, p2);
mesh.Normals.Add(normal);
mesh.Normals.Add(normal);
mesh.Normals.Add(normal);
m_objScreenSpaceLines3D.Points.Add(p1);
m_objScreenSpaceLines3D.Points.Add(p2);
var model = new GeometryModel3D(mesh, material);
var group = new Model3DGroup();
group.Children.Add(model);
return group;
}
private Vector3D CalculateNormal(Point3D p0, Point3D p1, Point3D p2)
{
var v0 = new Vector3D(p1.X - p0.X, p1.Y - p0.Y, p1.Z - p0.Z);
var v1 = new Vector3D(p2.X - p1.X, p2.Y - p1.Y, p2.Z - p1.Z);
return Vector3D.CrossProduct(v0, v1);
}
public MaterialGroup GetSurfaceMaterial(Color colour)
{
var materialGroup = new MaterialGroup();
var emmMat = new EmissiveMaterial(new SolidColorBrush(colour));
materialGroup.Children.Add(emmMat);
materialGroup.Children.Add(new DiffuseMaterial(new SolidColorBrush(colour)));
var specMat = new SpecularMaterial(new SolidColorBrush(Colors.White), 30);
materialGroup.Children.Add(specMat);
return materialGroup;
}
#endregion
}
#endregion