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Dieses Beispiel die Verwendung der Klasse Entity. Sie ist die zentrale Klasse für Zeichnungsoperationen. Es können alle vordefinierten Klassen mit der ComboBox angewählt werden.
Folgende Entities sind vordefiniert:
Boxentity,
PolyCurveExtruder,
CoordinateAxis,
TextEntity,
Interpolator,
Zoom,
CtrlRectangle,
Profiler,
ActiveCursor,
SphereEntity,
Cone,
Arrow,
VisualBase.
Der ActiveCursor erscheint als roter Cursor auf der Oberfläche des Entity.
using System;
using System.Drawing;
using System.Windows.Forms;
using Drawing3d;
namespace Entitiesdocu
{
[Serializable]
public partial class Form1 : Form
{
MyDevice Device = new MyDevice();
public Form1()
{
InitializeComponent();
Device.WinControl = this;
comboBox1.SelectedIndex = 4;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Device.SetEntityKind((MyDevice.Entitykind)comboBox1.SelectedIndex);
}
}
public class MyDevice : OpenGlDevice
{
BoxEntity Box = null;
CurveExtruder CurveEx = null;
PolyCurveExtruder PolyCurveEx = null;
CoordinateAxis Axis = null;
TextEntity Text = null;
RectCtrlZoom Zoom = null;
CtrlRectangle CRect = null;
SphereEntity Sphere = null;
Interpolator3D Interpolator = null;
Profiler Profil = null;
Cone Cone = null;
ActiveCursor ActiveC = null;
Arrow Arrow = null;
public enum Entitykind {
Boxentity,
PolyCurveExtruder,
CoordinateAxis,
TextEntity,
Interpolator,
Zoom,
CtrlRectangle,
Profiler,
ActiveCursor,
SphereEntity,
Cone,
Arrow,
VisualBase
};
Entitykind Entities = Entitykind.Zoom;
xyArray Triangle = null;
Entity S = null;
public void SetEntityKind(Entitykind Kind)
{
Entities = Kind;
if (Entities != Entitykind.CtrlRectangle)
if (CRect != null)
CRect.Device = null;
switch (Entities)
{
case Entitykind.Boxentity:
{
Box = new BoxEntity(new xyz(0, 0, 0), new xyz(4, 5, 6));
break;
}
case Entitykind.PolyCurveExtruder:
{
PolyCurveEx = new PolyCurveExtruder();
Loca _Loca = new Loca();
CurveArray Curves0 = new CurveArray();
Curves0.Count = 4;
Curves0[0] = new Line(new xy(-3, -3), new xy(-3, 4));
Curves0[1] = new Line(new xy(-3, 4), new xy(4, 4));
Curves0[2] = new Line(new xy(4, 4), new xy(4, -3));
Curves0[3] = new Line(new xy(4, -3), new xy(-3, -3));
_Loca.Add(Curves0);
OpenGlDevice.CheckError();
CurveArray Curves1 = new CurveArray();
Curves1.Count = 4;
Curves1[0] = new Line(new xy(0, 0), new xy(1, 0));
Curves1[1] = new Line(new xy(1, 0), new xy(1, 1));
Curves1[2] = new Line(new xy(1, 1), new xy(0, 1));
Curves1[3] = new Line(new xy(0, 1), new xy(0, 0));
_Loca.Add(Curves1);
PolyCurveEx.DownPlane = new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1));
PolyCurveEx.UpPlane = new Plane(new xyz(0, 0, 4), new xyz(0, 0.5, 1));
PolyCurveEx.Loca = _Loca;
PolyCurveEx.ShowUpPlane = true;
PolyCurveEx.ShowDownPlane = true;
PolyCurveEx.Height = -1;
PolyCurveEx.Direction = new xyz(0, 1, 1);
break;
}
case Entitykind.CoordinateAxis:
{
Axis = new CoordinateAxis();
Axis.FullSize = true;
Axis.ShowText = true;
Axis.TextHeight = 1;
Axis.Color = Color.Black;
Axis.Size = new xyz(10, 20, 30);
Axis.Devider = new xyz(4, 4, 4);
Axis.DeviderLineLength = 0.3;
Axis.LeftAndRight = true;
Axis.Dim3d = true;
Axis.ShowDevider = true;
break;
}
case Entitykind.TextEntity:
{
Text = new TextEntity();
Text.Text = "Drawing3d";
Text.Size = 4;
Text.Italic = true;
Text.Position = new xyz(-5, 0, 0);
break;
}
case Entitykind.Interpolator:
{
Interpolator = new Interpolator3D();
Interpolator.Points = new xyz[,]
{ {new xyz(-3,-3,0),new xyz(0,-3,2),new xyz(3,-3,3),new xyz(6,-3,2)},
{new xyz(-3,0,2),new xyz(0,0,3),new xyz(3,0,2),new xyz(6,0,0)},
{new xyz(-3,3,0),new xyz(0,3,2),new xyz(3,3,1),new xyz(6,3,0)},
{new xyz(-3,6,-2),new xyz(0,6,-2),new xyz(3,6,-2),new xyz(6,6,-2)}
};
break;
}
case Entitykind.Zoom:
{
Zoom = new RectCtrlZoom(this);
Zoom.Device = this;
Zoom.Color = Color.White;
break;
}
case Entitykind.CtrlRectangle:
{
CRect = new CtrlRectangle(this);
CRect.Color = Color.Black;
CRect.MarkerColor = Color.Red;
CRect.Creating = false;
CRect.Rectangle = new RectangleF(-1, -1, 6, 5);
CRect.CompileEnable = false;
Triangle = new xyArray();
Triangle.data = new xy[] { new xy(0, 0), new xy(2, 2), new xy(4, 0), new xy(0, 0) };
CRect.TransformItems.Add(Triangle);
// S = new SphereEntity(new xyz(0, 0, 0), 2);
//S = new BoxEntity(new xyz(0, 0, 0), new xyz(4, 4, 4));
//S.CompileEnable = false;
// CRect.TransformItems.Add(S);
// CRect.LiveTransform = true;
break;
}
case Entitykind.Profiler:
{
xyzArray A = new xyzArray();
A.data = new xyz[] { new xyz(-3, 0, 0), new xyz(-3, -4, 0), new xyz(3, -4, 0), new xyz(3, 0, 0) };
Loca _Loca = new Loca();
CurveArray Curves0 = new CurveArray();
Curves0.Count = 4;
Curves0[0] = new Line(new xy(-1, -1), new xy(-1, 2));
Curves0[1] = new Line(new xy(-1, 2), new xy(2, 2));
Curves0[2] = new Line(new xy(2, 2), new xy(2, -1));
Curves0[3] = new Line(new xy(2, -1), new xy(-1, -1));
_Loca.Add(Curves0);
OpenGlDevice.CheckError();
CurveArray Curves1 = new CurveArray();
Curves1.Count = 4;
Curves1[0] = new Line(new xy(0, 0), new xy(1, 0));
Curves1[1] = new Line(new xy(1, 0), new xy(1, 1));
Curves1[2] = new Line(new xy(1, 1), new xy(0, 1));
Curves1[3] = new Line(new xy(0, 1), new xy(0, 0));
_Loca.Add(Curves1);
Profil = new Profiler();
Profil.CompileEnable = false;
Profil.Trace = A;
Profil.Transverse = _Loca;
Profil.CloseFirst = true;
Profil.CloseLast = true;
break;
}
case Entitykind.ActiveCursor:
{
// ActiveC.CrossColor = Color.Red;
break;
}
case Entitykind.SphereEntity:
{
Sphere = new SphereEntity(new xyz(3, 2, 1), 4);
// Sphere.CompileEnable = false;
// Sphere = new SphereEntity(new xyz(0, 0, 0), 4);
break;
}
case Entitykind.Cone:
{
Cone = new Cone(3, 5);
break;
}
case Entitykind.Arrow:
{
Arrow = new Arrow();
Arrow.Transformation = Matrix.Translation(new xyz(5, 0, 0));
Arrow.SetShaftAndTop(new xyz(-10, 0, 0), new xyz(0, 0, 0));
Arrow.Size = 8;
drawSphere(new xyz(0, 0, 0), 0.5);
break;
}
break;
}
Selector.RefreshSnapBuffer();
}
OpenGlDevice Device = null;
Drawing3d.Font FO = null;
protected override void OnCreated()
{
Device = this;
FO = new Drawing3d.Font("Arial");
ActiveC = new ActiveCursor();
ActiveC.xAxisColor = Color.Red;
ActiveC.yAxisColor = Color.Red;
ActiveC.zAxisColor = Color.Red;
ActiveC.PenWidth = 3;
SetEntityKind(Entitykind.Boxentity);
}
Matrix Mod = Matrix.identity;
xyz Pt1 = new xyz(0, 0, 0);
xyz Pt2 = new xyz(0, 0, 0);
public override void OnPaint()
{
BackColor = Color.White;
switch (Entities)
{
case Entitykind.Boxentity:
{
Box.Paint(this);
break;
}
case Entitykind.PolyCurveExtruder:
{
PolyCurveEx.Paint(this);
break;
}
case Entitykind.CoordinateAxis:
{
Axis.Paint(this);
break;
}
case Entitykind.TextEntity:
{
Text.Paint(this);
break;
}
case Entitykind.Interpolator:
{
Interpolator.Paint(this);
break;
}
case Entitykind.Zoom:
{
drawSphere(new xyz(0, 0, 0), 7, 80, 80);
drawBox(new xyz(-10, -10, -1), new xyz(20, 20, 1));
drawBox(new xyz(0, 0, 0), new xyz(2, 2, 2));
break;
}
case Entitykind.CtrlRectangle:
{
PenWidth = 2;
PolygonMode = PolygonMode.Line;
drawPolyLine(Triangle);
PolygonMode = PolygonMode.Fill;
PenWidth = 1;
// S.Paint(this);
// drawBox(new xyz(-10, -10, -1), new xyz(20, 20, 1));
//drawBox(new xyz(0, 0, 0), new xyz(2, 2, 2));
//E.CompileEnable = false;
//E.Paint(this);
break;
}
case Entitykind.Profiler:
{
Profil.Paint(this);
break;
}
case Entitykind.ActiveCursor:
{
PolyCurveEx = new PolyCurveExtruder();
Loca _Loca = new Loca();
CurveArray Curves0 = new CurveArray();
Curves0.Count = 4;
Curves0[0] = new Line(new xy(-3, -3), new xy(-3, 4));
Curves0[1] = new Line(new xy(-3, 4), new xy(4, 4));
Curves0[2] = new Line(new xy(4, 4), new xy(4, -3));
Curves0[3] = new Line(new xy(4, -3), new xy(-3, -3));
_Loca.Add(Curves0);
OpenGlDevice.CheckError();
CurveArray Curves1 = new CurveArray();
Curves1.Count = 4;
Curves1[0] = new Line(new xy(0, 0), new xy(1, 0));
Curves1[1] = new Line(new xy(1, 0), new xy(1, 1));
Curves1[2] = new Line(new xy(1, 1), new xy(0, 1));
Curves1[3] = new Line(new xy(0, 1), new xy(0, 0));
_Loca.Add(Curves1);
PolyCurveEx.DownPlane = new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1));
PolyCurveEx.UpPlane = new Plane(new xyz(0, 0, 4), new xyz(0, 0.5, 1));
PolyCurveEx.Loca = _Loca;
PolyCurveEx.ShowUpPlane = true;
PolyCurveEx.ShowDownPlane = true;
PolyCurveEx.Height = -1;
PolyCurveEx.Direction = new xyz(0, 1, 1);
PolyCurveEx.Paint(this);
ActiveC.Paint(this);
break;
}
case Entitykind.SphereEntity:
{
Sphere.Paint(this);
break;
}
case Entitykind.Cone:
{
Cone.Paint(this);
break;
}
case Entitykind.Arrow:
{
Arrow.Paint(this);
break;
}
case Entitykind.VisualBase:
{
VisualBase VB = new VisualBase();
VB.SnappEnable = false;
VB.xAxis.ShaftColor = Color.Blue;
VB.yAxis.ShaftColor = Color.Green;
VB.zAxis.ShaftColor = Color.Yellow;
VB.xAxis.TopColor = Color.Red;
VB.yAxis.TopColor = Color.Red;
VB.zAxis.TopColor = Color.Red;
VB.Paint(this);
break;
}
}
ActiveC.Paint(this);
base.OnPaint();
}
}
}
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