private void EndPoint(GeoPoint p)
{
if (!Precision.IsEqual(p, cylinderStartPoint))
{
cylinderDirZ = new GeoVector(cylinderStartPoint, p);
if (height.Fixed) // die schon bestimmt Höhe benutzen!
{
cylinderDirZ = cylinderHeight * cylinderDirZ.Normalized;
}
else
{
cylinderHeight = cylinderDirZ.Length;
}
// cylinderDirX muss irgendwie senkrecht auf cylinderDirZ stehen. Hier: Hilfsvektor definieren mit der kleinsten Komponente von cylinderDirZ
GeoVector vT = new GeoVector(1, 0, 0); // x am kleinsten
if (Math.Abs(cylinderDirZ.y) < Math.Abs(cylinderDirZ.x))
{
vT = new GeoVector(0, 1, 0); // y am kleinsten
}
if ((Math.Abs(cylinderDirZ.x) > Math.Abs(cylinderDirZ.z)) && (Math.Abs(cylinderDirZ.y) > Math.Abs(cylinderDirZ.z)))
{
vT = new GeoVector(0, 0, 1); // z am kleinsten
}
cylinderDirX = cylinderRadius * (vT ^ cylinderDirZ).Normalized;
cylinder = Make3D.MakeCylinder(cylinderStartPoint, cylinderDirX, cylinderDirZ);
cylinder.CopyAttributes(base.ActiveObject);
base.ActiveObject = cylinder;
}
}
private void StartPoint(GeoPoint p)
{
cylinderStartPoint = p;
// die Höhe berechnet sich als Abstand von diesem Punkt
height.SetDistanceFromPoint(cylinderStartPoint);
cylinder = Make3D.MakeCylinder(cylinderStartPoint, cylinderDirX, cylinderDirZ);
cylinder.CopyAttributes(base.ActiveObject);
base.ActiveObject = cylinder;
}
private bool Height(double length)
{
if (length > Precision.eps)
{
cylinderHeight = length;
cylinderDirZ = cylinderHeight * cylinderDirZ.Normalized;
cylinder = Make3D.MakeCylinder(cylinderStartPoint, cylinderDirX, cylinderDirZ);
cylinder.CopyAttributes(base.ActiveObject);
base.ActiveObject = cylinder;
return(true);
}
return(false);
}
public override void OnSetAction()
{
cylinder = Solid.Construct();
base.BasePoint = ConstrDefaults.DefaultStartPoint;
cylinderStartPoint = base.BasePoint;
cylinderRadius = ConstrDefaults.DefaultArcRadius;
cylinderHeight = ConstrDefaults.DefaultBoxHeight;
cylinderDirX = cylinderRadius * base.ActiveDrawingPlane.DirectionX;
cylinderDirZ = cylinderHeight * (base.ActiveDrawingPlane.DirectionX ^ base.ActiveDrawingPlane.DirectionY);
cylinder = Make3D.MakeCylinder(ConstrDefaults.DefaultStartPoint, cylinderDirX, cylinderDirZ);
base.ActiveObject = cylinder;
base.TitleId = "Constr.Cylinder";
startPointInput = new GeoPointInput("Constr.Cylinder.StartPoint");
startPointInput.DefaultGeoPoint = ConstrDefaults.DefaultStartPoint;
startPointInput.DefinesBasePoint = true;
startPointInput.SetGeoPointEvent += new ConstructAction.GeoPointInput.SetGeoPointDelegate(StartPoint);
endPointInput = new GeoPointInput("Constr.Cylinder.EndPoint");
endPointInput.DefaultGeoPoint = ConstrDefaults.DefaultStartPoint;
endPointInput.SetGeoPointEvent += new ConstructAction.GeoPointInput.SetGeoPointDelegate(EndPoint);
radius = new LengthInput("Constr.Cylinder.Radius");
radius.DefaultLength = ConstrDefaults.DefaultArcRadius;
radius.SetLengthEvent += new ConstructAction.LengthInput.SetLengthDelegate(Radius);
radius.GetLengthEvent += new LengthInput.GetLengthDelegate(GetRadius);
radius.CalculateLengthEvent += new CADability.Actions.ConstructAction.LengthInput.CalculateLengthDelegate(RadiusCalculate);
height = new LengthInput("Constr.Cylinder.Height");
height.DefaultLength = ConstrDefaults.DefaultBoxHeight;
height.SetLengthEvent += new ConstructAction.LengthInput.SetLengthDelegate(Height);
height.GetLengthEvent += new LengthInput.GetLengthDelegate(GetHeight);
height.ForwardMouseInputTo = endPointInput;
height.Optional = true;
base.SetInput(startPointInput, endPointInput, radius, height);
base.ShowAttributes = true;
base.OnSetAction();
}
private bool Radius(double length)
{
if (length > Precision.eps)
{
cylinderRadius = length;
cylinderDirX = cylinderRadius * cylinderDirX.Normalized;
cylinder = Make3D.MakeCylinder(cylinderStartPoint, cylinderDirX, cylinderDirZ);
cylinder.CopyAttributes(base.ActiveObject);
if (startPointInput.Fixed && !endPointInput.Fixed)
{ // er will also einen Zylinder senkrecht auf der drawingplane
endPointInput.Optional = true;
height.Optional = false;
height.ForwardMouseInputTo = new object[0]; // den forward abschalten
cylinderDirX = cylinderRadius * base.ActiveDrawingPlane.DirectionX;
cylinderDirZ = cylinderHeight * (base.ActiveDrawingPlane.DirectionX ^ base.ActiveDrawingPlane.DirectionY);
}
base.ActiveObject = cylinder;
return(true);
}
return(false);
}