using UnityEngine; public class FlappyBird2D : MonoBehaviour { public float speed = 0.1f; public float jumpForce = 10.0f; Rigidbody2D rb; void Start() { rb = GetComponent(); } void Update() { if (Input.GetButton("Jump")) { rb.AddForce(new Vector2(0, jumpForce)); } } void FixedUpdate() { transform.position += new Vector3(speed, 0f, 0f); } }