Movement/2D/OneDimensional2DAirMovement.cs

using Syntriax.Modules.Movement.ColliderCheck;
using UnityEngine;

namespace Syntriax.Modules.Movement
{
    [RequireComponent(typeof(Rigidbody2D))]
    public class OneDimensional2DAirMovement : MonoBehaviour, IMovement, IState
    {
        private IGroundCheck groundCheck = null;
        private Rigidbody2D rigid = null;
        private float moveValue = 0f;


        public bool IsActive => StateEnabled && !groundCheck.IsCollided();
        public bool StateEnabled { get; set; } = true;
        public float MovementMultiplier { get; set; } = 1f;

        private void Start()
        {
            rigid = GetComponent<Rigidbody2D>();
            groundCheck = GetComponentInChildren<IGroundCheck>();
        }

        private void FixedUpdate()
        {
            if (!IsActive)
                return;

            ApplyMovement();
        }

        private void ApplyMovement()
        {
            Vector2 velocity = rigid.velocity;
            velocity.x += moveValue * Time.fixedDeltaTime;

            if (moveValue != 0f)
            {
                if (Mathf.Abs(velocity.x) > Mathf.Abs(moveValue))
                    velocity.x = moveValue;
                else if (Mathf.Abs(velocity.x - moveValue) > Mathf.Abs(moveValue))
                    velocity.x += moveValue * Time.fixedDeltaTime;
            }

            rigid.velocity = velocity;
        }

        public void Move(float x = 0, float y = 0, float z = 0)
        {
            moveValue = x * MovementMultiplier;
        }
    }
}