Ivan Bolčina schrieb:
Ok. Yes I will take a look at osgPick. Basically i need a vector where
mouse is pointing so that the bullets are assigned that vector for
movement.
Hi,
while osgPick will help you to find a vector (or rather a line-segment)
that is exactly perpendicular to the screen and starting at the point
where the mouse is currently, I do not think that this will be the
correct vector for your bullets. If you do this, your bullets will fly
like this:
||||||||||||||||||||||||| (Bullets)
------------- (Screen)
Your gun has a fixed length, and the vector of your bullets is given by
the direction of your gun. If the gun is fixed somewhere, the points the
other end of the gun can reach lie on a sphere. So you might be better
of by using the mouse-coordinates to compute some spherical coordinates
for your gun.
\ | / (Bullets)
----------------------- (Screen)
Regards,
Andreas
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