Hi Folks !
I�m trying to use the RotPosPathInterpolator to make an animation. The
problem is that I can�t achive a complete rotation (2pi rad) using
quaternions.
I think the problem is due to the fact that the function to compute the
quaternion of a rotation is pi-periodic. That means the quaternion of a
rotation with angle alpha around an axis delta will be equal to the
quaternion of the rotation with angle alpha+pi around the same axis.
Does somebody has an idea of how to solve this problem?
An example is, I have a function computing the quaternion of an euler
sytem ( roll, pitch, yaw) named euler2quat, I want for example to make a
2pi rotation around the Y-axis. I would expect to do it like this:
RotPosPathInterpolator rotPos= new RotPosPathInetrpolator();
Quat4f qt1= euler2quat(0.0,0.0,0.0);
Quat4f qt2= euler2quat(0.0,0.0,6.28);
rotPos.setQuart(0,qt1);
rotPos.setQuat(0,qt2);
Actually this code will compute no rotation since my euler2Quat produce
the same quaternion.
Thnak you in advance.
Pascal.
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