public TriangleInfo TransformAnimator(Matrix Matrix)
{
TriangleInfo Result = new TriangleInfo();
Result.Indices = Indices;
Result.Points = new xyzf[Points.Length];
Result.Normals = new xyzf[Normals.Length];
Result.Texture = new xyf[Texture.Length];
for (int i = 0; i < Points.Length; i++)
{
Points[i] = Matrix * Points[i];
}
xyzf Affin = Matrix * new xyzf(0, 0, 0);
for (int i = 0; i < Points.Length; i++)
{
Normals[i] = Matrix * Points[i] - Affin;
}
for (int i = 0; i < Texture.Length; i++)
{
xyz A = Matrix * new xyz(Texture[i].x, Texture[i].y, 0);
Texture[i] = new xyf((float)A.x, (float)A.y);
}
return(Result);
}
internal virtual protected xyz Cross(LineType ViewLine)
{
xyz pt = new xyz(0, 0, 0);
if ((Device.Selector.IntersectionUsed) && (TriangleInfo != null))
// if (TriangleInfo != null)
{
Plane Triangle = new Plane(TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 1]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 2]]);
if (Inside(ViewLine, TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 1]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 2]]))
{
Triangle.Cross(ViewLine, out Depth, out pt);
}
else
{
pt = Nearest(ViewLine, TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 1]], TriangleInfo.Points[TriangleInfo.Indices[PrimId * 3 + 2]]);
}
return(pt);
}
else
{
int N = -1;
xyzf Pk = new xyzf(0, 0, 0);
if (TriangleInfo.Cross(ViewLine, ref Pk, ref N))
{
return(Pk.Toxyz());
}
else
{
return(Nearest(ViewLine, TriangleInfo.Points[TriangleInfo.Indices[N]], TriangleInfo.Points[TriangleInfo.Indices[N + 1]], TriangleInfo.Points[TriangleInfo.Indices[N + 2]]));
//Plane P = new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1));
//double Lam = 0;
//xyz R = new xyz(0, 0, 0);
//P.Cross(ViewLine, out Lam, out R);
//return R;
}
}
return(new xyz(0, 0, 0));
}
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);
}