NPC to seek or flee from a moving object

Rather than a destination that is fixed when the scene starts, let’s allow the Capsule-destination object to be moved by the player while the scene is running. In every frame, we’ll get our NPC arrow to reset the destination of NavMeshAgent to wherever Capsule-destination has been moved to.

Getting ready

This recipe adds to the previous one, so make a copy of that project folder and do your work for this recipe with that copy.

How to do it...

To make an NPC seek or flee from a moving object, follow these steps:

1. With the Capsule-destination GameObject selected in the Hierarchy panel, add a Rigid Body Physics component to it by going to Component | Physics | Rigidbody.
2. In the Inspector panel for the Capsule-destination GameObject, check the Freeze Position constraint for the Y axis in the Constraints options of the RigidBody component. This will prevent the object from moving in the Y axis due to...