[osg-users] Problems "Callbacks in OSG"

[Alvaro Ginestar]

Hi everyone!! I have a problem with "Callbacks in OSG". I want return the position of object that setUpdateCallback change.i have in the loop "while (!viewer.done()){ viewer.frame();" another loop " if" that if i push a button i make a sphere that it moving forward by "setUpdateCallback". But I know the position in every moment to see if it has collided with an obstacle.Thank you 		 	   		  
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