/// <summary>
/// draws a 3d-polygon, which is stored in Array. See also <see cref="xyzArray"/> if the <see cref="OpenGlDevice.PolygonMode"/> = <b>Fill</b> and the array is planar then
/// the polygon is drawn as filled polygon else as a lined polygon.
/// </summary>
/// <param name="Array"><see cref="xyzArray"/>hollds the array information</param>
public void drawPolyLine(xyzArray Array)
{
Object Handle = null;
if ((RenderKind == RenderKind.SnapBuffer))
{
Handle = Selector.RegisterSnapItem(new PolyLineSnappItem3D(Array));
}
if ((PolygonMode == PolygonMode.Fill) && (Array.Count > 2) && (Array.planar))
{
Loxy L = new Loxy();
PushMatrix();
MulMatrix(Array.Base.ToMatrix());
xyArray A = Array.ToxyArray();
L.Add(A);
drawFilledArray2d(this, L);
PopMatrix();
if ((RenderKind == RenderKind.SnapBuffer))
{
Selector.UnRegisterSnapItem(Handle);
}
if (PolygonMode == PolygonMode.Fill)
{
return;
}
}
Primitives3d.drawArrayLined(this, Array);
if ((RenderKind == RenderKind.SnapBuffer))
{
Selector.UnRegisterSnapItem(Handle);
}
}
/// <summary>
/// draws a list of <see cref="xyzArray"/>.The first array is the outer contur the other are holes.
/// </summary>
/// <param name="Loxyz">a list of <see cref="xyzArray"/></param>
public void drawPolyPolyLine(Loxyz Loxyz)
{
Object Handle = null;
if ((RenderKind == RenderKind.SnapBuffer))
{
Handle = Selector.RegisterSnapItem(new PolyPolyLineSnappItem3D(Loxyz));
}
if ((PolygonMode == PolygonMode.Fill) && (Loxyz.planar))
{
Loxy L = Loxyz.ToLoxy();
PushMatrix();
MulMatrix(Loxyz.Base.ToMatrix());
drawFilledArray2d(this, L);
PopMatrix();
if ((RenderKind == RenderKind.SnapBuffer))
{
Selector.UnRegisterSnapItem(Handle);
}
return;
}
for (int i = 0; i < Loxyz.Count; i++)
{
Primitives3d.drawArrayLined(this, Loxyz[i]);
}
if ((RenderKind == RenderKind.SnapBuffer))
{
Selector.UnRegisterSnapItem(Handle);
}
}
/// <summary>
/// overrides the <see cref="Surface.OnDraw(OpenGlDevice)"/> method.
/// </summary>
/// <param name="Device">the <see cref="OpenGlDevice"/> in which will be painted.</param>
protected override void OnDraw(OpenGlDevice Device)
{
if (!plane)
{
base.OnDraw(Device); return;
}
object Handle = null;
if ((Device.RenderKind == RenderKind.SnapBuffer) || (Entity.Compiling))
{
SurfaceSnappItem S = new SurfaceSnappItem();
Handle = Device.Selector.RegisterSnapItem(S);
S.Surface = this;
}
IndexType[] Indices = null;
xyzf[] Points = null;
xyzf[] Normals = null;
xyf[] Texture = null;
// if ((BoundedCurves != null) && (BoundedCurves.Count > 0))
{
Indices = new IndexType[] { 0, 1, 2, 0, 2, 3 };
Points = new xyzf[] { A, B, C, D };
Normals = new xyzf[] { N00.toXYZF(), N00.toXYZF(), N00.toXYZF(), N00.toXYZF() };
Texture = new xyf[] { new xyf(0, 0), new xyf(0, 0), new xyf(0, 0), new xyf(0, 0) };
}
//else
// GetTrianglesFull(ref Indices, ref Points, ref Normals, ref Texture);
if (Device.PolygonMode == PolygonMode.Fill)
{
Primitives3d.drawTriangles(Device, Indices, Points, Normals, Texture, null);
}
else
{
Primitives3d.drawFouranglesLined(Device, Indices, Points, Normals, Texture);
}
Entity.CheckCompiling();
if ((Device.RenderKind == RenderKind.SnapBuffer) || (Entity.Compiling))
{
Device.Selector.UnRegisterSnapItem(Handle);
}
}
/// <summary>
/// internal.
/// </summary>
/// <param name="Device"></param>
/// <param name="Indices"></param>
/// <param name="Points"></param>
/// <param name="Texture"></param>
public static void drawTriangles2d(OpenGlDevice Device, List <IndexType> Indices, xyf[] Points, xyf[] Texture)
{ //ok
refIndices = Indices.ToArray();
refPoints2d = Points;
refTexture = Texture;
double dir = 1;
for (int i = 0; i < Indices.Count; i += 3)
{
xy A = new xy(Points[Indices[i + 1]].x - Points[Indices[i]].x, Points[Indices[i + 1]].y - Points[Indices[i]].y);
xy B = new xy(Points[Indices[i + 2]].x - Points[Indices[i]].x, Points[Indices[i + 2]].y - Points[Indices[i]].y);
double F = A & B;
if (System.Math.Abs(F) > 0.0001)
{
if (F < 0)
{
dir = 1; // schaut welche Richtung der Normal vektor haben muss
}
else
{
dir = -1;
}
break;
}
}
xyzf[] Normals = new xyzf[Points.Length];
for (int i = 0; i < Points.Length; i++)
{
Normals[i] = new xyz(0, 0, dir).toXYZF();
}
xyzf[] _Points = new xyzf[Points.Length];
for (int i = 0; i < Points.Length; i++)
{
_Points[i] = new xyzf(Points[i].x, Points[i].y, 0);
}
refNormals = Normals;
Primitives3d.drawTriangles(Device, Indices.ToArray(), _Points, Normals, Texture, null);
}
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));
}
