GAMEN3_FinalDelivery/GAMEN3_FinalProject/Assets/Scripts/Player/PlayerController.cs

using System;
using UnityEngine;

public class PlayerController : MonoBehaviour
{
    public Rigidbody rb;
    public float walkSpeed = 5f;
    public float runSpeed = 10f;
    public float rotateSpeed = 100f;
    public float jumpForce = 5f;

    public float stamina = 100f;
    public float drainRate = 20f;
    public bool bIsSprinting;
    public bool bCanSprint;

    private float currentSpeed;
    //private bool isGrounded;
    private Vector2 input;

    void Update()
    {
        input.x = Input.GetAxis("Horizontal");
        input.y = Input.GetAxis("Vertical");

        bIsSprinting = Input.GetKey(KeyCode.LeftShift) && input.y > 0 && bCanSprint;
        currentSpeed = bIsSprinting ? runSpeed : walkSpeed;

        if (bIsSprinting)
        {
            stamina -= drainRate * Time.deltaTime;
        }
    }

    private void FixedUpdate()
    {
        Vector3 moveDirection = transform.forward * input.y * currentSpeed;
        rb.linearVelocity = new Vector3(moveDirection.x, rb.linearVelocity.y, moveDirection.z);

        float rotation = input.x * rotateSpeed * Time.fixedDeltaTime;
        transform.Rotate(0, rotation, 0);
    }
}