Unity Player Oparation

Operatable.cs

using UnityEngine;

public class Operatable : MonoBehaviour
{

    public float speed = 5.0f;
    private float jumpSpeed = 12.0f;
    public float horizontal = 0, vertical = 0;
    private Rigidbody2D rb2D;
    private Transform tr;

    /// <summary>
    /// 現在右向きか
    /// </summary>
    private bool isRight = true;

    // Use this for initialization
    void Start()
    {
        rb2D = GetComponent<Rigidbody2D>();
        tr = GetComponent<Transform>();
    }

    // Update is called once per frame
    void Update()
    {
        horizontal = Input.GetAxis("Horizontal");
        vertical = Input.GetAxis("Vertical");
        if (horizontal > 0.5)
        {
            rb2D.velocity = new Vector2(speed, rb2D.velocity.y);
            tr.rotation = new Quaternion(tr.rotation.x, 180, tr.rotation.z, tr.rotation.w);
            isRight = true;
        }
        else if (horizontal < -0.5)
        {
            rb2D.velocity = new Vector2(speed * -1, rb2D.velocity.y);
            tr.rotation = new Quaternion(tr.rotation.x, 0, tr.rotation.z, tr.rotation.w);
            isRight = false;
        }
        if (Input.GetButtonDown("Jump"))
        {
            rb2D.velocity = new Vector2(rb2D.velocity.x, jumpSpeed);
        }
    }

}