Joystick in unity using System . Collections ; using System . Collections . Generic ; using UnityEngine ; public class Joystick : MonoBehaviour { public Transform player ; public float speed = 5.0f ; private bool touchStart = false ; private Vector2 pointA ; private Vector2 pointB ; public Transform circle ; public Transform outerCircle ; // Update is called once per frame void Update ( ) { if ( Input . GetMouseButtonDown ( 0 ) ) { pointA = Camera . main . ScreenToWorldPoint ( new Vector3 ( Input . mousePosition . x , Input . mousePosition . y , Camera . main . transform . position . z ) ) ; circle . transform . position = pointA * - 1 ; outerCircle . transform . position = pointA * - 1 ; circle . GetComponent<SpriteRenderer>() . enabled = true ; outerCircle . GetComponent<SpriteRenderer>() . enabled = true ; } ...