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# euler velocities to angular velocity vector

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### #1xDan  Members   -  Reputation: 193

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Posted 11 July 2010 - 11:05 PM

How can I convert velocities specified about the x,y,z axes to the conventional way (a vector with magnitude as the speed, as used in physics engines like ODE)?

I want to do this to fit in with the 3d engine I use, which has the convention of using euler angles for most things. Also it's more user friendly to specify angular velocity as euler speeds.

Also, the opposite conversion of the vector-to-euler would be nice too.

Anyone have *code* for this? My maths and understanding of formulas is very bad.

### #2Alrecenk  Members   -  Reputation: 400

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Posted 12 July 2010 - 05:12 PM

http://www.euclideanspace.com/maths/geometry/rotations/conversions/eulerToAngle/index.htm
The opposite conversion is there as well.

### #3xDan  Members   -  Reputation: 193

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Posted 12 July 2010 - 09:21 PM

Correct me if I'm wrong, but since that is for rotations not velocities won't it wrap around at 360 degrees?

and I should have mentioned, my rotation is in order pitch,yaw,roll (XYZ).

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