using UnityEngine; namespace TrailsFX.Demos { public class MoveObject : MonoBehaviour { void Update () { Rigidbody rb = GetComponent (); if (rb == null) return; Vector3 direction = Vector3.zero; if (Input.GetKey (KeyCode.A)) { direction = Vector3.right; } if (Input.GetKey (KeyCode.D)) { direction = Vector3.left; } if (Input.GetKey (KeyCode.W)) { direction = Vector3.back; } if (Input.GetKey (KeyCode.S)) { direction = Vector3.forward; } rb.AddForce (direction * 10); } } }