b2Body.prototype.GetLinearVelocity() should not return a reference to the b2Body's data member

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The data member returned, m_linearVelocity, is an object so any changes to it ( 
such as GetLinearVelocity().Normalize() ) will alter the b2Body's data member 
directly. 

GetLinearVelocity() should return a copy of m_linearVelocity.

SetLinearVeloity() should be used to modify m_linearVelocity.




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Original issue reported on code.google.com by svanderv...@gmail.com on 15 Sep 2011 at 2:59

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Original comment by Uli.He...@googlemail.com on 24 Apr 2012 at 4:29

• Changed state: Accepted