public void RotateView(Document doc, ScreenAxisRotation axis)
{
}
public void TestViewDir(ScreenAxisRotation axis)
{
Document doc = AcadApp.DocumentManager.MdiActiveDocument;
ViewTableRecord vtr = doc.Editor.GetCurrentView();
Vector3d dirVectorInitial = vtr.ViewDirection;
Vector3d sideVectorAxis = dirVectorInitial.GetPerpendicularVector();
// If there is existing ViewTwist angle
// rotate the side vector with that angle
// so it will coincide with the side vector
if (vtr.ViewTwist > 1e-6)
{
sideVectorAxis = sideVectorAxis.RotateBy(-vtr.ViewTwist, dirVectorInitial);
}
Vector3d upVectorAxis = dirVectorInitial.CrossProduct(sideVectorAxis).GetNormal();
Vector3d axisRotation = new Vector3d();
switch (axis)
{
case ScreenAxisRotation.SideAxis:
axisRotation = sideVectorAxis;
break;
case ScreenAxisRotation.UpAxis:
axisRotation = upVectorAxis;
break;
case ScreenAxisRotation.Twist:
break;
default:
break;
}
double angle5deg = 0.0872664626;
for (int i = 0; i < 72; i++)
{
Thread.Sleep(50);
// By X axis
vtr.ViewDirection = vtr.ViewDirection.RotateBy(angle5deg, sideVectorAxis);
upVectorAxis = upVectorAxis.RotateBy(angle5deg, sideVectorAxis);
vtr.ViewTwist = AutoCADManager.CalcViewTwist(doc, vtr);
doc.Editor.SetCurrentView(vtr);
// By Y axis
vtr.ViewDirection = vtr.ViewDirection.RotateBy(angle5deg, upVectorAxis);
sideVectorAxis = sideVectorAxis.RotateBy(angle5deg, upVectorAxis);
vtr.ViewTwist = AutoCADManager.CalcViewTwist(doc, vtr);
doc.Editor.SetCurrentView(vtr);
doc.Editor.Regen();
}
angle5deg *= -1;
for (int i = 72; i > 0; i--)
{
Thread.Sleep(50);
// By Y axis
vtr.ViewDirection = vtr.ViewDirection.RotateBy(angle5deg, upVectorAxis);
sideVectorAxis = sideVectorAxis.RotateBy(angle5deg, upVectorAxis);
vtr.ViewTwist = AutoCADManager.CalcViewTwist(doc, vtr);
doc.Editor.SetCurrentView(vtr);
// By X axis
vtr.ViewDirection = vtr.ViewDirection.RotateBy(angle5deg, sideVectorAxis);
upVectorAxis = upVectorAxis.RotateBy(angle5deg, sideVectorAxis);
vtr.ViewTwist = AutoCADManager.CalcViewTwist(doc, vtr);
doc.Editor.SetCurrentView(vtr);
doc.Editor.Regen();
}
}
