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Assets/RealisticCarControllerV3/Scripts/RCC_UIJoystick.cs

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+//----------------------------------------------
+//            Realistic Car Controller
+//
+// Copyright © 2014 - 2023 BoneCracker Games
+// https://www.bonecrackergames.com
+// Buğra Özdoğanlar
+//
+//----------------------------------------------
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+
+/// <summary>
+/// Receiving inputs from the UI Joystick.
+/// </summary>
+[AddComponentMenu("BoneCracker Games/Realistic Car Controller/UI/Mobile/RCC UI Joystick")]
+public class RCC_UIJoystick : MonoBehaviour, IDragHandler, IPointerUpHandler, IPointerDownHandler {
+
+    public RectTransform backgroundSprite;
+    public RectTransform handleSprite;
+
+    private Vector2 inputVector = Vector2.zero;
+    public float InputHorizontal { get { return inputVector.x; } }
+    public float InputVertical { get { return inputVector.y; } }
+
+    private Vector2 joystickPosition = Vector2.zero;
+    private readonly Camera _refCam;
+
+    private void Start() {
+
+        joystickPosition = RectTransformUtility.WorldToScreenPoint(_refCam, backgroundSprite.position);
+
+    }
+
+    private void OnEnable() {
+
+        //  Resetting inputs of the joystick on enable / disable.
+        inputVector = Vector2.zero;
+        handleSprite.anchoredPosition = Vector2.zero;
+
+    }
+
+    /// <summary>
+    /// While pressing and dragging the joystick.
+    /// </summary>
+    /// <param name="eventData"></param>
+    public void OnDrag(PointerEventData eventData) {
+
+        Vector2 direction = eventData.position - joystickPosition;
+        inputVector = (direction.magnitude > backgroundSprite.sizeDelta.x / 2f) ? direction.normalized : direction / (backgroundSprite.sizeDelta.x / 2f);
+        handleSprite.anchoredPosition = (inputVector * backgroundSprite.sizeDelta.x / 2f) * 1f;
+
+    }
+
+    public void OnPointerUp(PointerEventData eventData) {
+
+        inputVector = Vector2.zero;
+        handleSprite.anchoredPosition = Vector2.zero;
+
+    }
+
+    public virtual void OnPointerDown(PointerEventData eventData) {
+
+        //
+
+    }
+
+    private void OnDisable() {
+
+        //  Resetting inputs of the joystick on enable / disable.
+        inputVector = Vector2.zero;
+        handleSprite.anchoredPosition = Vector2.zero;
+
+    }
+
+}