I'm having a difficult time getting my mouse interaction code to work
properly. Using the latest subversion code for away3d FP10 and a very
simple setup with a sphere of radius 100 at (0,0,0) and a hoverCamera
pointing at the sphere from a distance of 500. I want to be able to
accurately pick points on the mathematical/ideal sphere. I.e. I
_don't_ want to use MouseEvent3D and it's x,y,z,u,v coordinates on a
face but rather a result given in exact polar coordinates.
What I think I should do is unproject the mouse position and cast a
ray through the eye position (camera) and the mouse into the scene.
Find the intersection with the sphere and voila. My first try had it's
coordinates way off. I've searched the mail archives and found that I
should be using a perspective lens instead of the default which helped
a lot. But I still don't hit the exact spot under the mouse cursor.
Note that my problem is not ray/sphere intersection but creating the
correct ray in the first place.
Can anyone point me in the right direction (cheap pun)?
best regards,
Sören
