Braitenberg Vehicle

Hi All,

I am a novice at breve. So this question might be a basic problem for the 
rest but I would appreciate it if someone could clarify my query.

I am working on a project using the Braitenberg Vehicles. I need to make 
this vehicle to turn right and left. How do I go about doing this?

I tried using the following method
    +to moveleft:
                vehicle rotate around-axis (0,1,0) by 1.

But I am not very sure about how I would go about calculating the axis and 
also by what amount I should turn it to take a left turn.

When I use the above method my vehicle which runs properly before the turn, 
starts wobbling a bit after the turn.

I am using the same configuration for the vehicle as the Aggresor.tz demo in 
the Braitenberg demos.

Any help would be very much appreciated.

Thanks in advance.
Anand

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