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--  Function......... : updateWheels
--  Author........... : 
--  Description...... : 
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function Car.updateWheels ( )
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    if ( this.bGoFront ( ) or this.bGoBack ( ) or ( not this.bTurnLeft ( ) and not this.bTurnRight ( ) ) )
    then
        dynamics.setFriction ( this.hWheelBL ( ), 1.1 )
        dynamics.setFriction ( this.hWheelBR ( ), 1.1 )
    else
        dynamics.setFriction ( this.hWheelBL ( ), 0.5 )
        dynamics.setFriction ( this.hWheelBR ( ), 0.5 )
    end
    
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end
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