Hi Daniel,
Daniel Zuidinga wrote:
> Hello,
>
> i want to move an object in the 3d-space on the XY/YZ/XZ-plane with the
> mouse.
>
> my wrong method of resolution is:
>
> // create XY-Plane
> OSG::Pnt3f p0,p1,p2;
> p0.setValues(0, 0, 0);
> p1.setValues(0, 1, 0);
> p2.setValues(1, 0, 0);
> OSG::Plane plane (p0,p1,p2);
>
> // calaculate intersection point with viewray
> OSG::Line line = mgr->calcViewRay(x, y);;
> plane.intersectInfinite(line,p);
>
> // set the new object position with own function (setting the
> position works)
> setObjectPosition(p);
>
> is there a fault at the plane creation? it seems, that the plane is in
> an other coordinate-system than the rendering happens?!
> can anybody help me?
Hm, in general that looks ok, assuming there are no other transformation
on top of the objects. The view ray is in world coordinates, and so is
the plane I assume.
What effect do you get, what's not he way you expect?
Dirk
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