using UnityEngine; namespace BeautifyEffect { public class SphereAnimator : MonoBehaviour { private Rigidbody rb; private void Start() { rb = GetComponent(); } private void FixedUpdate() { if (base.transform.position.z < 1f) { rb.AddForce(Vector3.forward * 10f); } else if (base.transform.position.z > 8f) { rb.AddForce(-Vector3.forward * 10f); } } } }