Mini-Games-Game/Assets/Movement.cs

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

public class Movement : MonoBehaviour
{
    public float speed = 5.0f;
    public float sprintSpeed = 10.0f;
    public float jumpForce;
    public float gravity = 9.8f;

    private CharacterController controller;
    private Vector3 moveDirection = Vector3.zero;

    void Start()
    {
        controller = GetComponent<CharacterController>();
    }

    void Update()
    {
        if (controller.isGrounded)
        {
            moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0.0f, Input.GetAxis("Vertical"));
            moveDirection = transform.TransformDirection(moveDirection);

            if (Input.GetKey(KeyCode.LeftShift))
            {
                moveDirection *= sprintSpeed;
                jumpForce = 4.0f;
            }
            else
            {
                moveDirection *= speed;
                jumpForce = 2.5f;
            }

            if (Input.GetButton("Jump"))
            {
                moveDirection.y = jumpForce;
            }
        }

        moveDirection.y -= gravity * Time.deltaTime;
        controller.Move(moveDirection * Time.deltaTime);
    }
}