Snippes

 
function PickNextWaypoint (currentWaypoint : 
AutoWayPoint) {
	    // We want to find the waypoint where the 
	character 
	has to turn the least
	    // The direction in which we are walking
	    var forward = 
	transform.TransformDirection(Vector3.forward);
	    // The closer two vectors, the larger the dot 
	product will be.
	    var best = currentWaypoint;
	    var bestDot = -10.0;
	    for (var cur : AutoWayPoint in 
	currentWaypoint.connected) {
		        var direction = 
		Vector3.Normalize(cur.transform.position - 
		transform.position);
		        var dot = Vector3.Dot(direction, 
		forward);
		        if (dot > bestDot && cur != 
		currentWaypoint) 
		{
			            bestDot = dot;
			            best = cur;
			        }
		    }
	    return best;
	}

 
function AttackPlayer () {
	    var lastVisiblePlayerPosition = target.position;
	    while (true) {
		        if (CanSeeTarget ()) {
			// Target is dead - stop hunting
			            if (target == null)
			                return;
			// Target is too far away - give up    
			            var distance = 
			Vector3.Distance(transform.position, target.position);
			            if (distance > shootRange * 3)
			                return;
			            lastVisiblePlayerPosition = 
			target.position;
			            if (distance > 
			dontComeCloserRange)

			                MoveTowards 
			(lastVisiblePlayerPosition);
			            else
			RotateTowards(lastVisiblePlayerPosition);
			            var forward = 
			transform.TransformDirection(Vector3.forward);
			            var targetDirection = 
			lastVisiblePlayerPosition - transform.position;
			            targetDirection.y = 0;
			            var angle = 
			Vector3.Angle(targetDirection, forward);
			    // Start shooting if close and play is in sight
			            if (distance < shootRange && 
			angle < 
			shootAngle)
			                yield 
			StartCoroutine("Shoot");
			        } else {
			            yield 
			StartCoroutine("SearchPlayer", 
			lastVisiblePlayerPosition);
			    // Player not visible anymore - stop attacking
			            if (!CanSeeTarget ())
			                return;
			        }
		        yield;
		    }
	}