A RAIN{Indie} custom action to chase a cylinder as long as it is in sight.

AIMoveToCylinder

import RAIN.Action;
import RAIN.Core;

class AIMoveToCylinder extends RAIN.Action.Action
{
	private var wayPath : RAIN.Path.RAINPathManager;
	private var raySensor : RAIN.Sensors.RaycastSensor;
	private var cylinder: GameObject;

	function newclass() {
		actionName = "AIMoveToCylinder";
	}
	
	function Start(agent:Agent, deltaTime:float):ActionResult {
		// get the cylinder based on the variable name in the detect action
		cylinder = agent.actionContext.GetContextItem.<GameObject>("CylinderPosition");
		
		// get the sensor
		raySensor = agent.GetSensor("Sensor");
		
		// setup the wayPath
		if(wayPath == null){
			wayPath = agent.PathManager;
		}
		
		// ensure navgrid is being used for chasing
		wayPath.useWaypointCollection = false;
		wayPath.useNavigationGrid = true;
		
    return ActionResult.SUCCESS;
	}

	function Execute(agent:Agent, deltaTime:float):ActionResult {
		// if the AI can see the cylinder
		if (cylinder != null && raySensor.CanSee(cylinder)) {
			if (!agent.MoveTo(cylinder.transform.position, deltaTime)) {
				return ActionResult.RUNNING;
			}
		}
		else {
			// keep moving to where the cylinder was
			agent.actionContext.SetContextItem("canSeeCylinder", 0);
			if (!agent.MoveTo(agent.PathManager.moveTarget.VectorTarget, deltaTime)) {
				return ActionResult.RUNNING;
			} 
		}

    return ActionResult.SUCCESS;
	}

 	function Stop(agent:Agent, deltaTime:float):ActionResult {
        return ActionResult.SUCCESS;
	}
}