UnicornElimination/Assets/Scripts/PlayerMovement.cs

using System;
using UnityEngine;
using UnityEngine.InputSystem;

public class PlayerMovement : MonoBehaviour
{
    public float moveSpeed;
    public float jumpForce;
    
    private Rigidbody2D _rb;
    private UnicornInputSystem _unicorn;
    
    private void OnDisable()
    {
        _unicorn.Player.Jump.performed -= Jump;
    }
    void Start()
    {
        _rb =  GetComponent<Rigidbody2D>();
        _unicorn = UnicornInput.Unicorn;
        _unicorn.Player.Jump.performed += Jump;
    }



    private void Jump(InputAction.CallbackContext obj)
    {
        _rb.linearVelocityY = jumpForce;
    }

    private void FixedUpdate()
    {
        var readValue = _unicorn.Player.Horizontal.ReadValue<float>();
        _rb.linearVelocityX = readValue * moveSpeed;
        if (_unicorn.Player.Down.IsPressed() && _rb.linearVelocityY < jumpForce/1.5)
            _rb.linearVelocityY = Math.Min(0, _rb.linearVelocityY);
    }
}