Added scene transitions

Assets/Scripts/SceneController.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Collections;
+using Unity.VisualScripting;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+namespace InterfaceOff
+{
+    public class SceneController : MonoBehaviour
+    {
+        private static SceneController Instance;
+
+        private RectTransform ImageRectOverlay;
+        private Canvas OverlayCanvas;
+        
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+        private static void InitializeBeforeSceneLoad()
+        {
+            GameObject go = new(nameof(SceneController));
+            go.AddComponent<SceneController>();
+            
+            DontDestroyOnLoad(go);
+        }
+
+        private void Start()
+        {
+            OverlayCanvas = transform.AddComponent<Canvas>();
+            OverlayCanvas.renderMode = RenderMode.ScreenSpaceOverlay;
+            OverlayCanvas.worldCamera = Camera.main;
+            OverlayCanvas.sortingOrder = 1;
+            
+            GameObject imageHolder = new("ImageHolder");
+            imageHolder.transform.SetParent(OverlayCanvas.transform);
+            
+            Image overlayImage = imageHolder.AddComponent<Image>();
+            overlayImage.color = Color.black;
+            
+            ImageRectOverlay = imageHolder.GetComponent<RectTransform>();
+
+            ImageRectOverlay.sizeDelta = new Vector2(0f, 0f);
+            ImageRectOverlay.anchoredPosition = new Vector2(0f, 0f);
+            
+            Instance = this;
+        }
+
+        private IEnumerator Load(Action loadAction)
+        {
+            Time.timeScale = 0.2f;
+
+            Vector2 maxSize = new(2000f, 2000f);
+            Vector2 minSize = Vector2.zero;
+
+            float startRotation = ImageRectOverlay.eulerAngles.z;
+            float expandRotation = startRotation + 360f;
+            float shrinkRotation = expandRotation + 360f;
+
+            float t = 0f;
+
+            while (t < 1f)
+            {
+                ImageRectOverlay.sizeDelta = Vector2.Lerp(minSize, maxSize, t);
+                ImageRectOverlay.rotation = Quaternion.Euler(
+                    0f, 0f, Mathf.Lerp(startRotation, expandRotation, t));
+
+                t += Time.unscaledDeltaTime;
+                yield return null;
+            }
+
+            ImageRectOverlay.sizeDelta = maxSize;
+            ImageRectOverlay.rotation = Quaternion.Euler(0f, 0f, expandRotation);
+
+            loadAction?.Invoke();
+
+            t = 0f;
+
+            while (t < 1f)
+            {
+                ImageRectOverlay.sizeDelta = Vector2.Lerp(maxSize, minSize, t);
+                ImageRectOverlay.rotation = Quaternion.Euler(
+                    0f, 0f, Mathf.Lerp(expandRotation, shrinkRotation, t));
+
+                t += Time.unscaledDeltaTime;
+                yield return null;
+            }
+
+            ImageRectOverlay.sizeDelta = minSize;
+            ImageRectOverlay.rotation = Quaternion.Euler(0f, 0f, shrinkRotation);
+
+            Time.timeScale = 1f;
+        }
+
+        public static void ReloadScene() => Instance.StartCoroutine(routine: Instance.Load(() =>
+        {
+            SceneManager.LoadScene(SceneManager.GetActiveScene().name);
+        }));
+
+        public static void Load(string name) => Instance.StartCoroutine(routine: Instance.Load(() =>
+        {
+            SceneManager.LoadScene(name);
+        }));
+    }
+}