Dialog system with choice

1. Prepare NPC from mixamo

2. Import your npc to unity

3. Change the animation type to humanoid

select the text and write your option text

prepare two type for collider, box collider, then tick the isTrigger, to make sure when the player enter the area, the panel will show

button click setting

attached this script to your npc

using UnityEngine;

using UnityEngine.UI;

public class Talk2NPC : MonoBehaviour

{

    // Start is called once before the first execution of Update after the MonoBehaviour is created

    public GameObject talkPanel;

    private void Start()

    {

        talkPanel.SetActive(false);

    }

    public void OnTriggerEnter(Collider other)

    {

        //if(other.CompareTag("Player") && Input.GetKeyDown(KeyCode.E))

        if (other.CompareTag("Player"))

        {

            talkPanel.SetActive(true);

            Debug.Log("enter trigger");

        }

    }

    public void OnTriggerExit(Collider other)

    {

        if (other.CompareTag("Player"))

        {

            talkPanel.SetActive(false);

        }

    }

    public void chooseA()

    {

        Debug.Log("you choose A");

    }

    public void chooseB()

    {

        Debug.Log("you choose B");

    }

    public void chooseC()

    {

        Debug.Log("you choose C");

    }

    public void chooseD()

    {

        Debug.Log("you choose D");

    }

}