[ODE] rotation matrix to direction vector

travis cline tclinecompappii at hotmail.com
Mon Dec 23 21:13:01 2002

My 2d alife simulation uses a vector to describe the direction in which the 
agent is pointed.  I need to determine the rotation about the z axis, I 
realize this is possible with the dBodyGetRotation matrix.  I belive I need 
a primer on rotation matrices, can anyone help me out?

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