public BeamData(double height, double width, double maxlength, _AcGe.Point3d p0, _AcGe.Point3d p1, _AcGe.Point3d pSide = new _AcGe.Point3d())
{
BeamStartPoint = p0;
BeamEndPoint = p1;
BeamSidePoint = pSide;
Height = height;
Width = width;
Length = BeamStartPoint.GetVectorTo(BeamEndPoint).Length;
MaxLength = maxlength;
if (Length > MaxLength)
{
MessageBox.Show("WARNING! - picked beam length is greater than maximum length for selected beam type.");
}
//
// We need to check the incoming pSide var to see if we need to offset our beam to one side
// or draw it on the centre line (the picked points form the centre line).
//
if (pSide.GetAsVector().Length == 0)
{
OffsetFactor = 0.5; // no offset so set offset factor to half width to draw on centre line
}
else
{
OffsetFactor = 1.0; // full offset required
}
}
public static double GetProjectionOnLine(AcGe.Point3d startPointLine, AcGe.Point3d endPointLine, AcGe.Point3d point)
{
double dirAngleLine = GetDirAngle(startPointLine, endPointLine);
double dirAngleToPoint = GetDirAngle(startPointLine, point);
double a = dirAngleToPoint - dirAngleLine;
return(Math.Cos(a) * startPointLine.GetVectorTo(point).Convert2d(new AcGe.Plane()).Length);
}