Hi
 
i would like to know how to extract the modelview matrix
 
i need this in order to get the six frustrum planes. Right now i have some code 
which let me know these planes from the projection and modelviewmatrix. 
 
When i ask for the state modelviewmatrix it always return the identity. I also 
can have the projection and view matrixes from the camera, but not the modelview
 
any ideas???
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