public void setAngularDamping(float angularDamping) {
        constructionInfo.angularDamping = angularDamping;
        rBody.setDamping(constructionInfo.linearDamping, angularDamping);
    }
Sets the friction of this physics object
@param friction the friction of this physics object
jme3-jbullet/src/main/java/com/jme3/bullet/objects/PhysicsRigidBody.java