protected override void OnClickMove(ScreenPoint cursorPos, Line cursorRay)
{
if (getPointUnderCursor(cursorRay, out pCur, out basZ))
{
if (tState == 0)
{
// nothing is defined. Mouse is moved to set origin.
}
else if (tState == 1)
{
// pOrig is defined. Mouse is moved to find position of basX
basX = pCur - pOrig;
basY = Vector.Cross(basZ, basX);
basY *= (basX.Magnitude / basY.Magnitude);
ext = basX.Magnitude;
// _report(PlotCommands[1]);
}
else if (tState == 2)
{
// pOrig and bas are defined. Mouse is moved to set extension.
ext = (pCur - pOrig).Magnitude;
// _report(PlotCommands[2]);
}
UpdateRendering();
// _compare_camera_and_cursor(cursorPos, cursorRay);
}
}
private bool getPointUnderCursor(Line cursorRay, out Point p, out Vector v)
{
Plane sP = Window.ActiveContext.SectionPlane;
if (sP != null)
{
sP.TryIntersectLine(cursorRay, out p);
v = sP.Frame.DirZ.UnitVector;
return(true);
}
return(false);
}