protected double PopulateSingleCutFacePositiveDirection(ref CrossSection face, GLVector3d CutPoint, int iQuadrant, double fHalfCubeWidth, bool bOuter)
{
iQuadrant = NormalizeQuadrant(iQuadrant);
face.RemoveAllPoints();
GLVector3d StartPoint = new GLVector3d(CutPoint);
GLVector3d EndPoint = null;
if (iQuadrant < iNumberFaces - 1)
{
EndPoint = ReferenceVertices[iQuadrant + 1] * fHalfCubeWidth / 0.5;
}
else
{
EndPoint = ReferenceVertices[0] * fHalfCubeWidth / 0.5;
}
if (bOuter)
{
face.AddPoint(StartPoint);
face.AddPoint(EndPoint);
}
else
{
face.AddPoint(EndPoint);
face.AddPoint(StartPoint);
}
return((EndPoint - StartPoint).length());
}
protected double PopulateCompleteSide(ref CrossSection face, int iQuadrant, double fHalfCubeWidth, bool bOuter)
{
iQuadrant = NormalizeQuadrant(iQuadrant);
face.RemoveAllPoints();
GLVector3d StartPoint = ReferenceVertices[iQuadrant];
GLVector3d EndPoint = null;
if (iQuadrant < iNumberFaces - 1)
{
EndPoint = ReferenceVertices[iQuadrant + 1];
}
else
{
EndPoint = ReferenceVertices[0];
}
StartPoint = StartPoint * fHalfCubeWidth / 0.5;
EndPoint = EndPoint * fHalfCubeWidth / 0.5;
if (bOuter)
{
face.AddPoint(StartPoint.x, StartPoint.y, StartPoint.z);
face.AddPoint(EndPoint.x, EndPoint.y, EndPoint.z);
}
else
{
face.AddPoint(EndPoint.x, EndPoint.y, EndPoint.z);
face.AddPoint(StartPoint.x, StartPoint.y, StartPoint.z);
}
return(2 * fHalfCubeWidth);
}
protected GLVector3d[] ReferenceVertices; //!< reference vertices of our prim, to build the crosssections etc
#endregion Fields
#region Constructors
// constructor(s)
public LinearPrimitive()
{
linearextrusionpath = new LinearExtrusionPath();
linearextrusionpath.LevelOfDetail = iLevelOfDetail;
for( int i = 0; i < 4; i++ )
{
OuterFaces[i] = new CrossSection();
InnerFaces[i] = new CrossSection();
}
CutFaces[0] = new CrossSection();
CutFaces[1] = new CrossSection();
}
// constructor(s)
public LinearPrimitive()
{
linearextrusionpath = new LinearExtrusionPath();
linearextrusionpath.LevelOfDetail = iLevelOfDetail;
for (int i = 0; i < 4; i++)
{
OuterFaces[i] = new CrossSection();
InnerFaces[i] = new CrossSection();
}
CutFaces[0] = new CrossSection();
CutFaces[1] = new CrossSection();
}
// constructors
public RotationalPrimitive()
{
for (int i = 0; i < 4; i++)
{
OuterFaces[i] = new CrossSection();
InnerFaces[i] = new CrossSection();
}
CutFaces[0] = new CrossSection();
CutFaces[1] = new CrossSection();
rotationalextrusionpath = new RotationalExtrusionPath();
rotationalextrusionpath.LevelOfDetail = iLevelOfDetail;
UpdateExtrusionScaling();
}
// constructors
public RotationalPrimitive()
{
for( int i = 0; i < 4; i++ )
{
OuterFaces[i] = new CrossSection();
InnerFaces[i] = new CrossSection();
}
CutFaces[0] = new CrossSection();
CutFaces[1] = new CrossSection();
rotationalextrusionpath = new RotationalExtrusionPath();
rotationalextrusionpath.LevelOfDetail = iLevelOfDetail;
UpdateExtrusionScaling();
}
// Handles the first face in the cut, starting from cutstart, and running anticlockwise to first reference vertex (assuming x points right, y points up)
double PopulateSingleCutFacePositiveDirection( ref CrossSection face, GLVector3d CutPoint, int iQuadrant, double fHalfCubeWidth, bool bOuter )
{
iQuadrant = NormalizeQuadrant( iQuadrant );
face.RemoveAllPoints();
GLVector3d StartPoint = new GLVector3d( CutPoint );
GLVector3d EndPoint = null;
if( iQuadrant < iNumberFaces - 1 )
{
EndPoint = ReferenceVertices[ iQuadrant + 1 ] * fHalfCubeWidth / 0.5;
}
else
{
EndPoint = ReferenceVertices[ 0 ] * fHalfCubeWidth / 0.5;
}
if( bOuter )
{
face.AddPoint( StartPoint );
face.AddPoint( EndPoint );
}
else
{
face.AddPoint( EndPoint );
face.AddPoint( StartPoint );
}
return ( EndPoint - StartPoint ).length();
}
double PopulateCompleteSide( ref CrossSection face, int iQuadrant, double fHalfCubeWidth, bool bOuter )
{
iQuadrant = NormalizeQuadrant( iQuadrant );
face.RemoveAllPoints();
GLVector3d StartPoint = ReferenceVertices[ iQuadrant ];
GLVector3d EndPoint = null;
if( iQuadrant < iNumberFaces - 1 )
{
EndPoint = ReferenceVertices[ iQuadrant + 1 ];
}
else
{
EndPoint = ReferenceVertices[ 0 ];
}
StartPoint = StartPoint * fHalfCubeWidth / 0.5;
EndPoint = EndPoint * fHalfCubeWidth / 0.5;
if( bOuter )
{
face.AddPoint( StartPoint.x, StartPoint.y, StartPoint.z );
face.AddPoint( EndPoint.x, EndPoint.y, EndPoint.z );
}
else
{
face.AddPoint( EndPoint.x, EndPoint.y, EndPoint.z );
face.AddPoint( StartPoint.x, StartPoint.y, StartPoint.z );
}
return 2 * fHalfCubeWidth;
}