Once you have a NavMeshA mesh that Unity generates to approximate the walkable areas and obstacles in your environment for path finding and AI-controlled navigation. More info
See in Glossary baked for your level it is time to create a character which can navigate the sceneA Scene contains the environments and menus of your game. Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info
See in Glossary. We’re going to build our prototype agent from a cylinder and set it in motion. This is done using a NavMesh Agent component and a simple script.
First let’s create the character:
Now you have simple NavMesh Agent set up ready to receive commands!
When you start to experiment with a NavMesh Agent, you most likely are going to adjust its dimensions for your character size and speed.
The NavMesh Agent component handles both the pathfinding and the movement control of a character. In your scriptsA piece of code that allows you to create your own Components, trigger game events, modify Component properties over time and respond to user input in any way you like. More info
See in Glossary, navigation can be as simple as setting the desired destination point - the NavMesh Agent can handle everything from there on.
// MoveTo.cs
using UnityEngine;
using UnityEngine.AI;
public class MoveTo : MonoBehaviour {
public Transform goal;
void Start () {
NavMeshAgent agent = GetComponent<NavMeshAgent>();
agent.destination = goal.position;
}
}
Next we need to build a simple script which allows you to send your character to the destination specified by another Game Object, and a Sphere which will be the destination to move to:
MoveTo.cs
) and replace its contents with the above script.To sum it up, in your script, you will need to get a reference to the NavMesh Agent component and then to set the agent in motion, you just need to assign a position to its destination property. The Navigation How Tos will give you further examples on how to solve common gameplay scenarios with the NavMesh Agent.
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