Untitled

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

public class NewBehaviourScript : MonoBehaviour
{
    [SerializeField] private float speed = 10f;
    [SerializeField] private float jumpForce = 5f;
    private Rigidbody2D _rigidbody2d;

    private bool grounded;
    private bool started;
    private bool jumping;
    private Animator _animator;

    private void Awake()
    {
        _rigidbody2d = GetComponent<Rigidbody2D>();
        _animator = GetComponent<Animator>();
        grounded = true;
    }
    private void Update()
    {
        if (Input.GetKeyDown("space"))
        {
            if (started && grounded)
            {
                _animator.SetTrigger(name: "Jump");
                grounded = false;
                jumping = true;


            }
            else
            {
                _animator.SetBool(name: "GameStarted", value: true);
                started = true;

            }
        }

    }

    private void FixedUpdate()
    {
        if (started)
        {
            _rigidbody2d.velocity = new Vector2(x: speed, _rigidbody2d.velocity.y);

        }

        if (jumping)
        {
            _rigidbody2d.AddForce(new Vector2(x: 0f, y: jumpForce));
            jumping = false;

        }
    }
    private void OnCollisionEnter2D(Collision2D other)
    {
        if (other.gameObject.CompareTag("Ground"))
        {
            grounded = true;

        }
    }
}