Unity_Assassin'sCreedLikeMovement

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

public class AssassinMovement : MonoBehaviour
{
    //This script will recreate Assassin's creed like movement
    public float Speed = 4f;
    public float Rotation = 7f;

    bool PlayerMoving = false;
    Vector3 MoveInput = Vector3.zero;
    Vector3 MovementVector = Vector3.zero;
    Camera MainCam;
    Rigidbody Body;

    void Start()
    {
        //This is the easy way to grab the camera with the main tag
        MainCam = Camera.main;
        //Grab the body so we can use it
        Body = this.GetComponent<Rigidbody>();
    }


    void Update() //0-60 times per second
    {
        //Input should be captured during update, this makes the game feel responsive
        MoveInput = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
        //Because it an Assassin's creed like movement, we want the character to look in the last direction it moved
        PlayerMoving = false;
        if (Input.GetButton("Horizontal") || Input.GetButton("Vertical"))// The || symbol means OR
        {
            //This way the player will only move and rotate while atleast one key is down
            PlayerMoving = true;
        }
    }

    private void FixedUpdate() // 50 (or what ever you set it) times per second, no matter what
    {
        //Physics should be updated during the Fixed step

        //We use the up vector to flatten the camera direction, to make it move straight
        Vector3 MoveDirection = Vector3.ProjectOnPlane(MainCam.transform.forward, Vector3.up);
        //A Quaternion * Vector will return the Vector rotated by the Quaternion, a usefull way to rotate vectors
        Vector3 AdjustedRotation = Quaternion.LookRotation(MoveDirection) * MoveInput;

        //If the player is pressing a movement key move, and move input is not zero
        if (PlayerMoving && MoveInput != Vector3.zero)// && symbol means AND
        {
            //Rotate towards the moving direction
            this.transform.rotation =
                Quaternion.Slerp(this.transform.rotation, Quaternion.LookRotation(AdjustedRotation), Time.deltaTime * Rotation);

            Body.velocity = this.transform.forward * (Time.deltaTime * Speed);
        }
        else//stand still and don't rotate
        {
            Body.velocity = Vector3.zero;
        }


    }
}