Seek and Flee steering behaviors using OpenSteer ("orbiting" result)

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// function init()
seekVehicle = new SimpleVehicle();
seekVehicle.setPosition(Math.random() * displayWidth, 0, Math.random() * displayHeight);
seekVehicle.radius = 10;
seekVehicle.maxForce = 800.0; //steering force
seekVehicle.maxSpeed = 300.0; //velocity
seekVehicle.speed = 100;
seekBoid = this.addBoid(seekVehicle, 0x00CC00);

// function update(currentTime:Number, elapsedTime:Number)
var seekVec:Vector3 = seekVehicle.steerForSeek(target.getVector3());
seekVehicle.applySteeringForce(seekVec, elapsedTime);