using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ArmSwingLocomotion : MonoBehaviour
{
    public GameObject LeftHand;
    public GameObject RightHand;
    public GameObject CenterEyeCamera;
    public GameObject ForwardDirection;

    private Vector3 PositionPreviousFrameLeftHand;
    private Vector3 PositionPreviousFrameRightHand;
    private Vector3 PlayerPositionPreviousFrame;
    private Vector3 PlayerPositionCurrentFrame;
    private Vector3 PositionCurrentFrameLeftHand;
    private Vector3 PositionCurrentFrameRightHand;

    public float Speed;
    private float HandSpeed;

    // Start is called before the first frame update
    void Start()
    {
        PlayerPositionPreviousFrame = transform.position;
        PositionPreviousFrameLeftHand = LeftHand.transform.position;
        PlayerPositionPreviousFrame = RightHand.transform.position;
    }

    // Update is called once per frame
    void Update()
    {



        float Yrot = CenterEyeCamera.transform.eulerAngles.y;
        ForwardDirection.transform.eulerAngles = new Vector3(0, Yrot, 0);

        PositionCurrentFrameLeftHand = LeftHand.transform.position;
        PositionCurrentFrameRightHand = RightHand.transform.position;

        PlayerPositionCurrentFrame = transform.position;

        //Debug.Log("Previous" + PositionPreviousFrameLeftHand);
        //Debug.Log("Current" + PositionCurrentFrameLeftHand);

        var playerDistanceMoved = Vector3.Distance(PlayerPositionCurrentFrame, PlayerPositionPreviousFrame);
        var leftHandDistanceMoved = Vector3.Distance(PositionCurrentFrameLeftHand, PositionPreviousFrameLeftHand);
        var rightHandDistanceMoved = Vector3.Distance(PositionCurrentFrameRightHand, PositionPreviousFrameRightHand);

        HandSpeed = ((leftHandDistanceMoved - playerDistanceMoved) + (rightHandDistanceMoved - playerDistanceMoved));

        if (Time.timeSinceLevelLoad > 1f)
        {
            transform.position += ForwardDirection.transform.forward * HandSpeed * Speed * Time.deltaTime;
        }

        PositionPreviousFrameLeftHand = PositionCurrentFrameLeftHand;
        PositionPreviousFrameRightHand = PositionCurrentFrameRightHand;

        PlayerPositionPreviousFrame = PlayerPositionCurrentFrame;

    }
}