static internal XYZ AdjustTopPointToRoofAngle(XYZ targetTopPoint, IList <XYZ> supportPoints, EdgeInfo currentRidgeInfo)
{
if (currentRidgeInfo.RelatedPanelFaces == null || currentRidgeInfo.RelatedPanelFaces.Count < 1)
{
currentRidgeInfo.RelatedPanelFaces = currentRidgeInfo.GetRelatedPanels();
}
if (currentRidgeInfo.RelatedPanelFaces == null || currentRidgeInfo.RelatedPanelFaces.Count < 1)
{
return(targetTopPoint);
}
PlanarFace relatedFace = currentRidgeInfo.RelatedPanelFaces[0] as PlanarFace;
if (relatedFace == null)
{
return(targetTopPoint);
}
Line ridgeLine = currentRidgeInfo.Curve as Line;
if (ridgeLine == null)
{
return(targetTopPoint);
}
XYZ ridgeDirection = ridgeLine.Direction;
XYZ ridgeDirectionCrossed = ridgeDirection.CrossProduct(XYZ.BasisZ);
XYZ projectedPoint = targetTopPoint.Add(ridgeDirectionCrossed.Multiply(0.1));
IntersectionResult iResult = relatedFace.Project(projectedPoint);
if (iResult == null)
{
projectedPoint = targetTopPoint.Add(ridgeDirectionCrossed.Negate().Multiply(0.1));
iResult = relatedFace.Project(projectedPoint);
if (iResult == null)
{
return(targetTopPoint);
}
}
//Just to make sure that the targetTopPoint is located on Ridge
IntersectionResult ridgeProjected = ridgeLine.Project(targetTopPoint);
if (ridgeProjected != null)
{
targetTopPoint = ridgeProjected.XYZPoint;
}
XYZ roofSlopeLineDirection = Line.CreateBound(iResult.XYZPoint, targetTopPoint).Direction;
if (supportPoints == null || supportPoints.Count < 1)
{
return(targetTopPoint);
}
//This code assumes that there are 1 or 2 supportPoints
XYZ supportPoint = supportPoints[0];
if (supportPoints.Count == 2)
{
XYZ supportPoints1 = supportPoints[1];
if (supportPoints1.DistanceTo(projectedPoint) < supportPoint.DistanceTo(projectedPoint))
{
supportPoint = supportPoints1;
}
}
Line roofSlopeLine = Line.CreateUnbound(supportPoint, roofSlopeLineDirection);
Line roofRidgeLine = Line.CreateUnbound(targetTopPoint, XYZ.BasisZ);
IntersectionResultArray iResultArrCurves = null;
roofSlopeLine.Intersect(roofRidgeLine, out iResultArrCurves);
if (iResultArrCurves != null && iResultArrCurves.Size == 1)
{
return(iResultArrCurves.get_Item(0).XYZPoint);
}
return(targetTopPoint);
}
