Programming Game AI by Example

//magnitude of the overshoot

SteeringForce = walls[ClosestWall].Normal() * OverShoot.Length();

}

}//next feeler

return SteeringForce;

}

I have found the three feeler approach to give good results, but it’s possible

to achieve reasonable performance with just one feeler that continuously

scans left and right in front of the vehicle. It all depends on how many pro

-

cessor cycles you have to play with and how accurate you require the

behavior to be.

Ü

NOTE If you are the impatient sort and have already looked at the source

code, you may have noticed that the final update function in the source is a little

more complicated than the basic update function listed ...