protected override bool OnClickStart(ScreenPoint cursorPos, Line cursorRay)
{
var iDesignFace = InteractionContext.Preselection as IDesignFace;
if (iDesignFace == null)
{
return(false);
}
SurfaceEvaluation eval = iDesignFace.Shape.GetSingleRayIntersection(cursorRay);
if (eval == null)
{
return(false);
}
double defaultHeight = 0.02;
WriteBlock.ExecuteTask("Create Oscillator", () => {
OscillatorPart.Create(HandleTypeEnum.Shaft, iDesignFace, eval.Param, defaultHeight, 0);
OscillatorPart.Create(HandleTypeEnum.Base, iDesignFace, eval.Param, defaultHeight, 0);
OscillatorPart.Create(HandleTypeEnum.Start, iDesignFace, eval.Param, defaultHeight, 0);
OscillatorPart.Create(HandleTypeEnum.End, iDesignFace, eval.Param, defaultHeight, 0);
});
return(false);
}
protected override bool OnDragStart(ScreenPoint cursorPos, Line cursorRay)
{
//SelectionTypes = new Type[0]; // disable preselection while dragging
OscillatorPart oscillatorPart = OscillatorPart.GetWrapper(InteractionContext.Preselection as CustomObject);
if (oscillatorPart == null)
{
return(false);
}
Point?pointOnCustom = InteractionContext.PreselectionPoint;
if (pointOnCustom == null)
{
oscillatorPart = null;
return(false);
}
switch (oscillatorPart.HandleType)
{
case HandleTypeEnum.Base:
var iDesignFace = InteractionContext.Preselection as IDesignFace;
if (iDesignFace == null)
{
return(false);
}
SurfaceEvaluation eval = iDesignFace.Shape.GetSingleRayIntersection(cursorRay);
if (eval == null)
{
return(false);
}
oscillatorIDesignFace = iDesignFace;
oscillatorPointUV = eval.Param;
StatusText = "Drag to move the oscillator.";
break;
case HandleTypeEnum.Start:
case HandleTypeEnum.End:
break;
}
return(false);
}
protected override bool OnMouseMove(ScreenPoint cursorPos, Line cursorRay, MouseButtons button)
{
if (button != MouseButtons.None)
{
return(false);
}
IDocObject preselection = InteractionContext.Preselection;
IDesignFace iDesignFace = null;
OscillatorPart existingOscillatorHandle = OscillatorPart.GetWrapper(preselection as CustomObject);
if (existingOscillatorHandle != null)
{
iDesignFace = existingOscillatorHandle.IDesignFace;
}
if (iDesignFace == null)
{
iDesignFace = preselection as DesignFace;
}
if (iDesignFace == null) // selection filtering is not applied if you (pre)select in the tree
{
return(false);
}
SurfaceEvaluation eval = iDesignFace.Shape.GetSingleRayIntersection(cursorRay);
if (eval == null)
{
return(false);
}
Rendering = Graphic.Create(null, null, OscillatorPart.GetGraphics(iDesignFace, eval.Param, 0.05, 0, HandleTypeEnum.All));
return(false); // if we return true, the preselection won't update
}
