public bool Cross(List <TriangleF> Triangles, xyzArray Poly, ref double Lam, ref xyz Pt)
{
for (int j = 0; j < Triangles.Count; j++)
{
Plane P = new Plane(Triangles[j].A.Toxyz(), (Triangles[j].B - Triangles[j].A).Toxyz() & (Triangles[j].C - Triangles[j].A).Toxyz());
for (int i = 0; i < Poly.Count - 1; i++)
{
Lam = -1;
xyz Pkt = new xyz(0, 0, 0);
if (P.Cross(new LineType(Poly[i], (Poly[i + 1] - Poly[i])), out Lam, out Pkt))
{
if ((-0.000001 <= Lam) && (Lam <= 1.00000001))
{
if (Triangles[j].Inside(Pkt.toXYZF()))
{
Pt = Pkt;
Lam += i;
return(true);
}
}
}
}
}
return(false);
}
protected internal override xyz Cross(LineType ViewLine)
{
double vz = ViewLine.Direction.z;
if (ViewLine.Direction.z == 0)
{
return(new xyz(0, 0, 0));
}
xyzArray A = Curve.ToxyzArray();
double LineLam = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out LineLam);
if (di <= 2 * Snapdist)
{
Lam /= Curve.Resolution;
return(Curve.Value(Lam));
}
else
{
Lam = -1;
}
xyz Result = new xyz(0, 0, 0);
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
public override xyzArray getxyzArray()
{
xyzArray M = new xyzArray(2);
M[0] = A;
M[1] = B;
return(this.ModelMatrix * M);
}
bool intersectPlaneWithLine(SnapItem Plane, SnapItem Line, xyzArray LineArray, ref double Lam, ref xyz Result)
{
TriangleF T = Plane.GetTriangle();
if (T == null)
{
return(false);
}
xyz N1 = ((T.B - T.A) & (T.C - T.A)).Toxyz();
if (LineArray == null)
{
}
xyz N2 = LineArray.cross();
if ((N1 & N2).length() < 0.00001) // Parallel
{
xyzArray A = Plane.getxyzArray();
if (A != null)
{
xyzArray B = LineArray;
List <CrossTag1> L = CrossTag1.GetCrossList(A, B);
for (int i = 0; i < L.Count; i++)
{
if (A.Value(L[i].Lam1).dist(Plane.Point) <= SnapItem.Snapdist)
{
Lam = L[i].Lam1;
Result = A.Value(L[i].Lam1);
return(true);
}
}
}
}
int Object = StoredSnapItems.IndexOf(Plane);
int siz = SnapDistance * 2 + 1;
// int siz = SnapDistance;
Drawing3d.PrimIdObj[,] P = SubArray(Device.MousePos.X - siz / 2, (int)Device.ViewPort.Height - Device.MousePos.Y - siz / 2, siz, siz);
List <TriangleF> LT = GetTriangles(P, Object);
Lam = -1;
bool R = Cross(LT, LineArray, ref Lam, ref Result);
return(R);
}
xyz Nearest(LineType L, xyzf A, xyzf B, xyzf C)
{
xyzArray M = new xyzArray(4);
M[0] = A.Toxyz();
M[1] = B.Toxyz();
M[2] = C.Toxyz();
M[3] = A.Toxyz();
double Param = -1;
double LineLam = -1;
double n = M.Distance(L, 1e10, out Param, out LineLam);
return(M.Value(Param));
}
public override Base GetBase()
{
xyzArray A = ModelMatrix * CurveArray.getxyArray().ToxyzArray();
Base B = ModelMatrix.toBase();
B.BaseO = Point;
if (Lam >= 0)
{
xyz D = ModelMatrix * CurveArray.Direction(Lam).toXYZ() - ModelMatrix * new xyz(0, 0, 0);
B = Base.DoComplete(Point, D, new xyz(0, 0, 1) & D);
}
return(B);
}
bool IntersectLines(xyzArray A, xyzArray B, xyz NearPoint, ref xyz CrossPoint)
{
List <CrossTag1> L = CrossTag1.GetCrossList(A, B);
for (int i = 0; i < L.Count; i++)
{
if (A.Value(L[i].Lam1).dist(NearPoint) <= SnapItem.Snapdist)
{
CrossPoint = A.Value(L[i].Lam1);
return(true);
}
}
return(false);
}
public override xyzArray getxyzArray()
{
xyzArray Result = new xyzArray();
int id = 0;
int ct = 2 * (Surface.UResolution + 1) + 2 * (Surface.VResolution + 1);
Result.data = new xyz[ct];
int k = Result.Count;
for (int i = 0; i <= Surface.UResolution; i++)
{
double u = (double)i / (double)Surface.UResolution;
double v = 0;
Result.data[id] = Surface.Value(u, v);
id++;
}
for (int i = 0; i <= Surface.VResolution; i++)
{
double v = (double)i / (double)Surface.VResolution;
double u = 1;
Result.data[id] = Surface.Value(u, v);
id++;
}
for (int i = Surface.UResolution; i >= 0; i--)
{
double u = (double)i / (double)Surface.UResolution;
double v = 1;
Result.data[id] = Surface.Value(u, v);
id++;
}
for (int i = Surface.VResolution; i >= 0; i--)
{
double v = (double)i / (double)Surface.VResolution;
double u = 0;
xyz U = Surface.Value(u, v);
Result.data[id] = U;
id++;
xyz II = Result.data[i];
}
Result.data[Surface.UResolution] = Surface.Value(1, 0);
return(Result);
}
bool IntersectLineWithLine(SnapItem Line1, SnapItem Line2, LineType ViewLine)
{
xyzArray A = Line1.getxyzArray();
int h = A.Count;
xyzArray B = Line2.getxyzArray();
double d1 = 1e10;
int i1 = -1;
double d2 = 1e10;
int i2 = -1;
for (int i = 0; i < A.Count; i++)
{
double d = Line1.Point.dist(A[i]);
if (d < d1)
{
d1 = d;
i1 = i;
}
}
for (int i = 0; i < B.Count; i++)
{
double d = Line1.Point.dist(B[i]);
if (d < d2)
{
d2 = d;
i2 = i;
}
}
if ((A == null) || (B == null))
{
return(false);
}
xyz CrossPoint = new xyz(0, 0, 0);
if (IntersectLines(A, B, Line1.Point, ref CrossPoint))
{
Line1.Point = CrossPoint;
Line2.Point = CrossPoint;
Line1.Crossed = true;
Line2.Crossed = true;
return(true);
}
return(false);
}
void IntersectLines(List <xyzArray> Arrays, List <SnapItem> Snap)
{
xyzArray A = Arrays[0];
xyzArray B = Arrays[1];
List <CrossTag1> L = CrossTag1.GetCrossList(A, B);
for (int i = 0; i < L.Count; i++)
{
if (A.Value(L[i].Lam1).dist(Snap[0].Point) <= SnapItem.Snapdist)
{
Snap[0].Point = A.Value(L[i].Lam1);
Snap[1].Point = Snap[0].Point;
Snap[0].Crossed = true;
Snap[1].Crossed = true;
break;
}
}
}
internal static List <CrossTag1> GetCrossList1(xyzArray A, xyzArray B)
{
List <CrossTag1> Result = new List <CrossTag1>();
for (int i = 0; i < A.Count - 1; i++)
{
LineType L1 = new LineType(A[i], A[i + 1] - A[i]);
for (int j = 0; j < B.Count - 1; j++)
{
LineType L2 = new LineType(B[j], B[j + 1] - B[j]);
double Lam1 = -1;
double Lam2 = -1;
if (Cross(L1, L2, ref Lam1, ref Lam2))
{
Result.Add(new CrossTag1(i + Lam1, j + Lam2));
}
}
}
return(Result);
}
protected internal override xyz Cross(LineType ViewLine)
{
xyzArray A = Curve.ToXYArray().ToxyzArray();
double LineLam = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out LineLam);
if (di <= 2 * Snapdist)
{
doExchange = true;
Lam = Lam / Curve.Resolution;
return(Curve.Value(Lam).toXYZ());
}
else
{
Lam = -1;
}
xyz Result = new xyz(0, 0, 0);
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
public static bool Cross(TriangleF t1, TriangleF t2, out double Lam, out double Mue, out xyz P, out xyz Q)
{
xyzArray A = new xyzArray();
xyzArray B = new xyzArray();
A.data = new xyz[] { t1.A.Toxyz(), t1.B.Toxyz(), t1.C.Toxyz() };
B.data = new xyz[] { t2.A.Toxyz(), t2.B.Toxyz(), t2.C.Toxyz() };
Lam = -1;
Mue = -1;
P = new Drawing3d.xyz(0, 0, 0);
Q = new Drawing3d.xyz(0, 0, 0);
double d = (A.Distance(B, 1e10, out Lam, out Mue));
if (d < 2)
{
P = A.Value(Lam);
Q = B.Value(Mue);
return(true);
}
return(false);
}
public override Base GetBase()
{
Base B = ModelMatrix.toBase();;
B.BaseO = Point;
int id = -1;
for (int i = 0; i < PolyPoly.Count; i++)
{
xyArray A = PolyPoly[i];
LineType ViewLine = Device.FromScr(Device.MousePos);
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di <= 2 * Snapdist)
{
id = i;
break;
}
}
if (id >= 0)
{
xyzArray A = ModelMatrix * PolyPoly[id].ToxyzArray();
if (Lam >= 0)
{
xyz D = ModelMatrix * PolyPoly[id].Direction(Lam).toXYZ() - ModelMatrix * new xyz(0, 0, 0);
B = Base.DoComplete(Point, D, new xyz(0, 0, 1) & D);
}
}
else
{
xyzArray A = ModelMatrix * PolyPoly[0].ToxyzArray();
xyz D = A.cross();
B = Base.DoComplete(Point, D, new xyz(0, 0, 1) & D);
}
return(B);
}
public PolyLineSnapItem3D(xyzArray Poly)
{
this.Poly = Poly;
}
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(-3, 0, 2), new xyz(-3, 3, 0), new xyz(-3, 6, -2) },
{ new xyz(0, -3, 2), new xyz(0, 0, 3), new xyz(0, 3, 2), new xyz(0, 6, -2) },
{ new xyz(3, -3, 3), new xyz(3, 0, 2), new xyz(3, 3, 1), new xyz(3, 6, -2) },
{ new xyz(6, -3, 2), new xyz(6, 0, 0), new xyz(6, 3, 0), 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;
}
}
Selector.RefreshSnapBuffer();
}
public bool IntersectPlaneWithPlane(SnapItem Plane1, SnapItem Plane2, LineType ViewLine)
{
int Object1 = StoredSnapItems.IndexOf(Plane1);
int Object2 = StoredSnapItems.IndexOf(Plane2);
int siz = 2 * SnapDistance + 1;
PrimIdObj[,] P = SubArray(Device.MousePos.X - siz / 2, (int)Device.ViewPort.Height - Device.MousePos.Y - siz / 2, siz, siz);
ListOfTriangles1 = GetTriangles(P, Object1);
ListOfTriangles1.Clear();
Matrix M = Plane1.ModelMatrix;
for (int i = 0; i < Plane1.TriangleInfo.Indices.Length; i++)
{
TriangleInfo TI = Plane1.TriangleInfo;
TriangleF T = new TriangleF(M * TI.Points[TI.Indices[i]], M * TI.Points[TI.Indices[i + 1]], M * TI.Points[TI.Indices[i + 2]]);
i = i + 2;
// if (T.Inside(ViewLine.P.toXYZF()))
ListOfTriangles1.Add(T);
}
for (int i = 0; i < ListOfTriangles1.Count; i++)
{
if (ListOfTriangles1[i].Inside(ViewLine.P.toXYZF()))
{
TriangleF F = ListOfTriangles1[i];
ListOfTriangles1.RemoveAt(i);
ListOfTriangles1.Insert(0, F);
}
}
ListOfTriangles2 = GetTriangles(P, Object2);
ListOfTriangles2.Clear();
M = Plane2.ModelMatrix;
for (int i = 0; i < Plane2.TriangleInfo.Indices.Length; i++)
{
TriangleInfo TI = Plane2.TriangleInfo;
TriangleF T = new TriangleF(M * TI.Points[TI.Indices[i]], M * TI.Points[TI.Indices[i + 1]], M * TI.Points[TI.Indices[i + 2]]);
i = i + 2;
// if (T.Inside(ViewLine.P.toXYZF()))
ListOfTriangles2.Add(T);
}
for (int i = 0; i < ListOfTriangles2.Count; i++)
{
if (ListOfTriangles2[i].Inside(ViewLine.P.toXYZF()))
{
TriangleF F = ListOfTriangles2[i];
ListOfTriangles2.RemoveAt(i);
ListOfTriangles2.Insert(0, F);
}
}
List <Line3D> Lines = Cross(ListOfTriangles1, ListOfTriangles2, ViewLine);
xyz P1 = new xyz(0, 0, 0);
xyz P2 = new xyz(0, 0, 0);
if (Lines.Count < 2)
{
double Lam = -1;
double Mue = -1;
List <TriangleF> L1 = new List <TriangleF>();
List <TriangleF> L2 = new List <TriangleF>();
for (int i = 0; i < ListOfTriangles1.Count; i++)
{
if (ListOfTriangles1[i].Inside(ViewLine.P.toXYZF()))
{
L1.Add(ListOfTriangles1[i]);
}
}
for (int i = 0; i < ListOfTriangles2.Count; i++)
{
if (ListOfTriangles2[i].Inside(ViewLine.P.toXYZF()))
{
L2.Add(ListOfTriangles2[i]);
}
}
L1 = ListOfTriangles1;
L2 = ListOfTriangles2;
for (int i = 0; i < L1.Count; i++)
{
for (int j = 0; j < L2.Count; j++)
{
if (TriangleF.Cross(L1[i], L2[j], out Lam, out Mue, out P1, out P2))
{
int _lam = (int)Lam;
switch (_lam)
{
case 0:
Lines.Add(new Line3D(L1[i].A.Toxyz(), L1[i].B.Toxyz()));
break;
case 1:
Lines.Add(new Line3D(L1[i].B.Toxyz(), L1[i].C.Toxyz()));
break;
case 2:
Lines.Add(new Line3D(L1[i].C.Toxyz(), L1[i].A.Toxyz()));
break;
default:
break;
}
int _mue = (int)Mue;
switch (_mue)
{
case 0:
Lines.Add(new Line3D(L2[j].A.Toxyz(), L2[j].B.Toxyz()));
break;
case 1:
Lines.Add(new Line3D(L2[j].B.Toxyz(), L2[j].C.Toxyz()));
break;
case 2:
Lines.Add(new Line3D(L2[j].C.Toxyz(), L2[j].A.Toxyz()));
break;
default:
break;
}
}
break;
}
}
//if (TriangleF.Cross(ListOfTriangles1[0], ListOfTriangles2[0], out Lam, out Mue, out P1, out P2))
//{
// int _lam = (int)Lam;
// switch (_lam)
// {case 0: Lines.Add(new Line3D(ListOfTriangles1[0].A.Toxyz(),ListOfTriangles1[0].B.Toxyz()));
// break;
// case 1: Lines.Add(new Line3D(ListOfTriangles1[0].B.Toxyz(), ListOfTriangles1[0].C.Toxyz()));
// break;
// case 2: Lines.Add(new Line3D(ListOfTriangles1[0].C.Toxyz(), ListOfTriangles1[0].A.Toxyz()));
// break;
// default:
// break;
// }
// int _mue = (int)Mue;
// switch (_mue)
// {
// case 0:
// Lines.Add(new Line3D(ListOfTriangles2[0].A.Toxyz(), ListOfTriangles2[0].B.Toxyz()));
// break;
// case 1: Lines.Add(new Line3D(ListOfTriangles2[0].B.Toxyz(), ListOfTriangles2[0].C.Toxyz()));
// break;
// case 2: Lines.Add(new Line3D(ListOfTriangles2[0].C.Toxyz(), ListOfTriangles2[0].A.Toxyz()));
// break;
// default:
// break;
// }
//}
}
double di = 1e10;
xyz Pos = new xyz(0, 0, 0);
int Id = -1;
for (int i = 0; i < Lines.Count; i++)
{
LineType L = new LineType(Lines[i].A, Lines[i].B - Lines[i].A);
double Lam = -1;
double d = ViewLine.Distance(L, SnapItem.Snapdist, false, false, out Lam);
xyz Nearest = L.Value(Lam);
if ((Lam >= -0.00001) && (Lam <= 1.00001))
{
if (d < di)
{
Pos = Nearest;
di = d;
Id = i;
}
}
}
if ((di < 1e10) && (di <= SnapItem.Snapdist))
{
Plane1.Crossed = true;
Plane1.Point = Pos;
Plane2.Crossed = true;
Plane2.Point = Pos;
return(true);
}
xyzArray A = Plane1.getxyzArray();
xyzArray B = Plane2.getxyzArray();
if ((A != null) && (B != null))
{
return(IntersectLineWithLine(Plane1, Plane2, ViewLine));
}
return(false);
}
public override void OnPaint()
{
BackColor = Color.White;
switch (ActiveSnapKind)
{
case Snapkind.SurfaceSnapItem: // Problem Ränder
//if (SnappItems.Count >0)
//{
// Emission = Color.Red;
// SnappItems[0].DrawTriangleInfo();
// Emission = Color.Black;
// return;
//}
CurveExtruder CurveEx = new CurveExtruder();
CurveEx.Direction = new xyz(0, 1, 1);
CurveEx.Height = -1;
CurveEx.Curve = new Bezier(new xy(9, 0), new xy(6, 3), new xy(3, 3), new xy(0, 0));
CurveEx.DownPlane = new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1));
CurveEx.UpPlane = new Plane(new xyz(0, 0, 0) + CurveEx.Direction * 7, CurveEx.Direction);
CurveEx.Paint(this);
break;
case Snapkind.LineSnapItem:
drawCurve(new Line(new xy(0, 0), new xy(10, 0)));
break;
case Snapkind.PointSnapItem:
drawPoint(new xyz(4, 3, 0), 0.2);
break;
case Snapkind.CurveSnapItem:
Curve C = new Bezier(new xy(9, 0), new xy(6, 3), new xy(3, 3), new xy(0, 0));
PolygonMode = PolygonMode.Line;
Emission = Color.Black;
PenWidth = 3;
drawCurve(C);
PolygonMode = PolygonMode.Fill;
break;
case Snapkind.PolyCurveSnapItem:
Lights[0].Position = new xyzwf(-10, -10, 10, 1);
CurveArray _Curves0 = new CurveArray();
PolygonMode = PolygonMode.Line;
_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 Bezier(new xy(4, -3), new xy(3, -3.5), new xy(1, -3.5), new xy(-3, -3));
drawPolyCurve(_Curves0);
PolygonMode = PolygonMode.Fill;
break;
case Snapkind.PolyPolyCurveSnapItem:
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 Bezier(new xy(4, -3), new xy(3, -3.5), new xy(1, -3.5), 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);
PolygonMode = PolygonMode.Fill;
drawPolyPolyCurve(_Loca);
break;
case Snapkind.TextSnapItem:
Font.FontSize = 4;
xy Pos = getEnvText(Font, "Drawing 3D");
drawText(Font, new xyz(-Pos.X / 2, 0, 0), "Drawing 3D", 2);
break;
case Snapkind.MeshSnapItem:
int[] Indices = new int[] { 0, 1, 2 };
xyzf[] Position = new xyzf[] { new xyzf(0, 0, 0), new xyzf(3, 5, 0), new xyzf(6, 0, 0) };
xyzf[] Normal = new xyzf[] { new xyzf(0, 0, 1), new xyzf(0, 0, 1), new xyzf(0, 0, 1) };
xyf[] Texture = new xyf[] { new xyf(0, 0), new xyf(3, 5), new xyf(6, 0) };
xyzf[] Colors = new xyzf[] { new xyzf(1, 0, 0), new xyzf(0, 1, 0), new xyzf(0, 0, 1) };
drawMesh(Indices, Position, Normal, null, Colors);
break;
case Snapkind.PolyLineSnapItem:
xyArray Poly = new xyArray();
Poly.data = new xy[] { new xy(1, 1), new xy(3, 4), new xy(5, 4), new xy(6, 2), new xy(1, 1) };
PolygonMode = PolygonMode.Fill;
PenWidth = 3;
drawPolyLine(Poly);
PolygonMode = PolygonMode.Fill;
break;
case Snapkind.CurveSnapItem3D:
Bezier3D Bezier = new Bezier3D(new xyz(1, 2, 1), new xyz(3, -2, 3), new xyz(5, 3, 2), new xyz(7, 1, 1));
drawCurve(Bezier);
break;
case Snapkind.PolyLineSnapItem3D:
xyzArray Poly3d = new xyzArray();
Poly3d.data = new xyz[] { new xyz(0, 0, 1), new xyz(0, 3, 1), new xyz(3, 3, 1), new xyz(4, 0, 1), new xyz(0, 0, 1) };
drawPolyLine(Poly3d);
break;
case Snapkind.PolyPolyLineSnapItem3D:
xyzArray AA = new xyzArray();
AA.Add(new xyz(1, 1, 1));
AA.Add(new xyz(0, 1, 1));
AA.Add(new xyz(0, 0, 1));
AA.Add(new xyz(1, 0, 1));
AA.Add(new xyz(1, 1, 1));
xyzArray BB = new xyzArray();
BB.Add(new xyz(3, 3, 1));
BB.Add(new xyz(3, -2, 1));
BB.Add(new xyz(-1, -2, 1));
BB.Add(new xyz(-1, 3, 1));
BB.Add(new xyz(3, 3, 1));
Loxyz L = new Loxyz();
L.Add(AA);
L.Add(BB);
drawPolyPolyLine(L);
break;
case Snapkind.PolyPolyLineSnapItem:
xyArray _AA = new xyArray();
_AA.Add(new xy(2, 0.5));
_AA.Add(new xy(0, 0.5));
_AA.Add(new xy(0, 0));
_AA.Add(new xy(2, 0));
_AA.Add(new xy(2, 0.5));
xyArray _BB = new xyArray();
_BB.Add(new xy(4, 4));
_BB.Add(new xy(4, -2));
_BB.Add(new xy(-1, -2));
_BB.Add(new xy(-1, 4));
_BB.Add(new xy(4, 4));
Loxy _L = new Loxy();
_L.Add(_AA);
_L.Add(_BB);
drawPolyPolyLine(_L);
break;
case Snapkind.SphereSnapItem:
drawSphere(new xyz(2, 1, 1), 3);
break;
case Snapkind.BoxSnapItem:
drawBox(new xyz(0, 0, 0), new xyz(4, 3, 4));
break;
default:
break;
}
ACursor.Paint(this);
}
protected internal override xyz Cross(LineType ViewLine)
{
if (this.PolygonMode == PolygonMode.Line)
{
Polygon = Primitives3d.GetBoxPoints(Position, Size);
double Param = -1;
double LineLam1 = -1;
if (Polygon.Distance(ViewLine, 1e10, out Param, out LineLam1) < 1)
{
return(Polygon.Value(Param));
}
return(new xyz(0, 0, 0));
}
xyz[] Result = new xyz[5];
Plane Triangle = new Plane(TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 1]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 2]]);
//Test
switch (PrimId)
{// Oben
case 0:
//Polygon.data = new xyz[] {TriangleInfo.Points[0].Toxyz(),
// TriangleInfo.Points[2].Toxyz(),
// TriangleInfo.Points[1].Toxyz(),
// TriangleInfo.Points[3].Toxyz(),
// TriangleInfo.Points[0].Toxyz()};
//Point = Position;
//Result[0] = new xyz(Point.x, Point.y, Point.z + Size.z);
//Result[1] = new xyz(Point.x, Point.y + Size.y, Point.z + Size.z);
//Result[2] = new xyz(Point.x, Point.y + Size.y, Point.z);
//Result[3] = new xyz(Point.x, Point.y, Point.z);
//Result[4] = Result[0];
Result[0] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[1] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.Z);
Result[2] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y + Size.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 1:
//Polygon.data = new xyz[] {TriangleInfo.Points[0].Toxyz(),
// TriangleInfo.Points[2].Toxyz(),
// TriangleInfo.Points[1].Toxyz(),
// TriangleInfo.Points[3].Toxyz(),
// TriangleInfo.Points[0].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[1] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.Z);
Result[2] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y + Size.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 2: // unten
//Polygon.data = new xyz[] {TriangleInfo.Points[4].Toxyz(),
// TriangleInfo.Points[6].Toxyz(),
// TriangleInfo.Points[5].Toxyz(),
// TriangleInfo.Points[7].Toxyz(),
// TriangleInfo.Points[4].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z);
Result[3] = new xyz(Position.x, Position.y + Size.y, Position.z);
Result[4] = Result[0];
break;
case 3:
//Polygon.data = new xyz[] {TriangleInfo.Points[4].Toxyz(),
// TriangleInfo.Points[6].Toxyz(),
// TriangleInfo.Points[5].Toxyz(),
// TriangleInfo.Points[7].Toxyz(),
// TriangleInfo.Points[4].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z);
Result[3] = new xyz(Position.x, Position.y + Size.y, Position.z);
Result[4] = Result[0];
break;
case 4:
//Polygon.data = new xyz[] {TriangleInfo.Points[8].Toxyz(),
// TriangleInfo.Points[10].Toxyz(),
// TriangleInfo.Points[9].Toxyz(),
// TriangleInfo.Points[11].Toxyz(),
// TriangleInfo.Points[8].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 5:
//Polygon.data = new xyz[] {TriangleInfo.Points[8].Toxyz(),
// TriangleInfo.Points[10].Toxyz(),
// TriangleInfo.Points[9].Toxyz(),
// TriangleInfo.Points[11].Toxyz(),
// TriangleInfo.Points[8].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 6: // Hinten
//Polygon.data = new xyz[] {TriangleInfo.Points[12].Toxyz(),
// TriangleInfo.Points[14].Toxyz(),
// TriangleInfo.Points[13].Toxyz(),
// TriangleInfo.Points[15].Toxyz(),
// TriangleInfo.Points[12].Toxyz()
//};
Result[0] = new xyz(Position.x + Size.x, Position.y + Size.Y, Position.z);
Result[1] = new xyz(Position.x, Position.y + Size.Y, Position.z);
Result[2] = new xyz(Position.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 7: // Hinten
//Polygon.data = new xyz[] {TriangleInfo.Points[12].Toxyz(),
// TriangleInfo.Points[14].Toxyz(),
// TriangleInfo.Points[13].Toxyz(),
// TriangleInfo.Points[15].Toxyz(),
// TriangleInfo.Points[12].Toxyz()
//};
Result[0] = new xyz(Position.x + Size.x, Position.y + Size.Y, Position.z);
Result[1] = new xyz(Position.x, Position.y + Size.Y, Position.z);
Result[2] = new xyz(Position.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 8: // Links))
//Polygon.data = new xyz[] {TriangleInfo.Points[16].Toxyz(),
// TriangleInfo.Points[18].Toxyz(),
// TriangleInfo.Points[17].Toxyz(),
// TriangleInfo.Points[19].Toxyz(),
// TriangleInfo.Points[16].Toxyz()
//};
Result[0] = new xyz(Position.x, Position.y + Size.Y, Position.z);
Result[1] = new xyz(Position.x, Position.y, Position.z);
Result[2] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y + Size.Y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 9:
//Polygon.data = new xyz[] {TriangleInfo.Points[16].Toxyz(),
// TriangleInfo.Points[18].Toxyz(),
// TriangleInfo.Points[17].Toxyz(),
// TriangleInfo.Points[19].Toxyz(),
// TriangleInfo.Points[16].Toxyz()
// };
Result[0] = new xyz(Position.x, Position.y + Size.Y, Position.z);
Result[1] = new xyz(Position.x, Position.y, Position.z);
Result[2] = new xyz(Position.x, Position.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x, Position.y + Size.Y, Position.z + Size.Z);
Result[4] = Result[0];
break;
case 10: //Rechts
//Polygon.data = new xyz[] {TriangleInfo.Points[20].Toxyz(),
// TriangleInfo.Points[22].Toxyz(),
// TriangleInfo.Points[21].Toxyz(),
// TriangleInfo.Points[23].Toxyz(),
// TriangleInfo.Points[20].Toxyz()
// };
Result[0] = new xyz(Position.x + Size.X, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y + Size.Y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.z);
Result[4] = Result[0];
break;
case 11: //Rechts
//Polygon.data = new xyz[] {TriangleInfo.Points[20].Toxyz(),
// TriangleInfo.Points[22].Toxyz(),
// TriangleInfo.Points[21].Toxyz(),
// TriangleInfo.Points[23].Toxyz(),
// TriangleInfo.Points[20].Toxyz()
// };
Result[0] = new xyz(Position.x + Size.X, Position.y, Position.z);
Result[1] = new xyz(Position.x + Size.x, Position.y + Size.Y, Position.z);
Result[2] = new xyz(Position.x + Size.x, Position.y + Size.y, Position.z + Size.Z);
Result[3] = new xyz(Position.x + Size.x, Position.y, Position.z + Size.z);
Result[4] = Result[0];
break;
default:
break;
}
Polygon.data = Result;
double Lam = -1;
double LineLam = -1;
double di = Polygon.Distance(ViewLine, Snapdist, out Lam, out LineLam);
if (di <= Snapdist)
{
xyz P = Polygon.Value(Lam);
doExchange = true;
//xyz W = ViewLine.Value(LineLam);
//double mm = P.dist(W);
return(P);
}
return(base.Cross(ViewLine));
}