Implement hand menu features

Assets/DamageNumbersPro/Demo/Scripts/DNP_DemoManager.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+namespace DamageNumbersPro.Demo
+{
+    public class DNP_DemoManager : MonoBehaviour
+    {
+        public static DNP_DemoManager instance;
+
+        Text currentPrefabText;
+        Text currentIndexText;
+
+        DamageNumber[] prefabs;
+        int currentIndex;
+        DNP_PrefabSettings currentSettings;
+
+        CanvasGroup fade;
+        bool fadeOut;
+        string loadScene;
+
+        void Awake()
+        {
+            //Reference Single Instance:
+            instance = this;
+
+            //Get All Prefabs:
+            Transform parent = GameObject.Find("Special").transform.Find("Prefabs/Damage Numbers");
+            prefabs = new DamageNumber[parent.childCount];
+            for(int n = 0; n < parent.childCount; n++)
+            {
+                prefabs[n] = parent.GetChild(n).GetComponent<DamageNumber>();
+            }
+            parent.gameObject.SetActive(false);
+
+            //Text Components:
+            Transform guiParent = GameObject.Find("Special").transform.Find("GUI");
+            currentPrefabText = guiParent.Find("Background/Current").GetComponent<Text>();
+            currentIndexText = guiParent.Find("Background/Index").GetComponent<Text>();
+
+            Transform fadeTransform = transform.Find("GUI/Fade");
+            if (fadeTransform != null)
+            {
+                fade = fadeTransform.GetComponent<CanvasGroup>();
+            }
+
+            //Reset Index:
+            currentIndex = 0;
+            UpdateCurrent();
+
+            #if !UNITY_EDITOR && UNITY_WEBGL
+                WebGLInput.captureAllKeyboardInput = true;    
+            #endif  
+        }
+
+        void Start()
+        {
+            if(fade != null)
+            {
+                fade.alpha = 1f;
+            }
+        }
+
+        void Update()
+        {
+            float scroll = DNP_InputHandler.GetMouseScroll();
+            if (scroll != 0 && (!Cursor.visible || DNP_Camera.instance == null))
+            {
+                if(scroll > 0.001f)
+                {
+                    currentIndex--;
+
+                    if(currentIndex < 0)
+                    {
+                        currentIndex = prefabs.Length - 1;
+                    }
+
+                    UpdateCurrent();
+                }
+                else if(scroll < 0.001f)
+                {
+                    currentIndex++;
+
+                    if(currentIndex > prefabs.Length - 1)
+                    {
+                        currentIndex = 0;
+                    }
+
+                    UpdateCurrent();
+                }
+            }
+
+            if(fade != null)
+            {
+                if(fadeOut)
+                {
+                    fade.alpha += Time.deltaTime * 4;
+
+                    if(fade.alpha >= 0.999f)
+                    {
+                        SceneManager.LoadScene(loadScene);
+                        enabled = false;
+                    }
+
+                    return;
+                }
+                else
+                {
+                    if(fade.alpha > 0)
+                    {
+                        fade.alpha -= Time.deltaTime * 3;
+                    }
+                }
+            }
+        }
+
+        public void SwitchScene(string sceneName)
+        {
+            fadeOut = true;
+            loadScene = sceneName;
+
+            /*foreach(DamageNumber dn in FindObjectsOfType<DamageNumber>())
+            {
+                dn.DestroyDNP();
+            }*/
+
+            if(DNP_Camera.instance != null)
+            {
+                DNP_Camera.instance.enabled = false;
+            }
+
+            DNP_2DDemo demo2D = FindObjectOfType<DNP_2DDemo>();
+            if(demo2D) 
+            {
+                demo2D.enabled = false;
+            }
+
+            if (DNP_GUI.instance != null)
+            {
+                DNP_GUI.instance.enabled = false;
+            }
+        }
+
+        void UpdateCurrent()
+        {
+            currentPrefabText.text = "➞ " + prefabs[currentIndex].name;
+            currentIndexText.text = (currentIndex + 1) + "/" + prefabs.Length;
+
+            currentSettings = prefabs[currentIndex].GetComponent<DNP_PrefabSettings>();
+        }
+
+        public DamageNumber GetCurrent()
+        {
+            return prefabs[currentIndex];
+        }
+
+        public DNP_PrefabSettings GetSettings()
+        {
+            if(currentSettings == null)
+            {
+                currentSettings = prefabs[currentIndex].gameObject.AddComponent<DNP_PrefabSettings>();
+            }
+
+            return currentSettings;
+        }
+    }
+
+}