using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using KairoEngine.Core;

namespace KairoEngine.CharacterSystem
{
    /// <summary>
    /// Action to turn a character towards a point.
    /// </summary>
    public class CharacterTurnToPointAction : IAction
    {
        CharacterController character; // Reference to the character that will move
        Vector3 point; // Where to turn

        // Constructor
        public CharacterTurnToPointAction(CharacterController character, Vector3 point)
        {
            this.character = character;
            this.point = point;
            this.point.y = 0f;
        }

        public void Start()
        {
            Quaternion targetRotation = Quaternion.LookRotation (point - character.transform.position);
            character.animator.transform.rotation = Quaternion.Slerp (character.animator.transform.rotation, targetRotation, 100f * Time.deltaTime);
        }

        public void Update()
        {
            Quaternion targetRotation = Quaternion.LookRotation (point - character.transform.position);
            character.animator.transform.rotation = Quaternion.Slerp (character.animator.transform.rotation, targetRotation, 100f * Time.deltaTime);
        }

        public void End() { }

        public bool IsDone()
        {
            return true;
        }
    }
}