场景设计

Assets/OtherPlugins/ChocDino/UIFX/Demos/Scripts/Common/DemoController.cs

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+//--------------------------------------------------------------------------//
+// Copyright 2023-2025 Chocolate Dinosaur Ltd. All rights reserved.         //
+// For full documentation visit https://www.chocolatedinosaur.com           //
+//--------------------------------------------------------------------------//
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace ChocDino.UIFX.Demos
+{
+	public class DemoController : MonoBehaviour
+	{
+		[Header("Demos")]
+		[SerializeField] GameObject _demosRoot = null;
+		[SerializeField] GameObject _startDemo = null;
+
+		[Header("UI")]
+		[SerializeField] Button _buttonPrev = null;
+		[SerializeField] Button _buttonNext = null;
+		[SerializeField] Scrollbar _scrollbar = null;
+		[SerializeField] Text _textTitle = null;
+		[SerializeField] Text _textProgress = null;
+		[SerializeField] Text _textFPS = null;
+
+		private GameObject[] _demos;
+		public GameObject CurrentDemo { get { return _demos[_demoIndex]; } }
+		public int DemoCount { get { return _demos.Length; } }
+
+		private int _demoIndex = 0;
+
+		private const float FPSInterval = 0.25f;
+		private int _fpsFrameCount;
+		private float _fpsTimer;
+
+		void Start()
+		{
+			// Gather demos
+			_demos = new GameObject[_demosRoot.transform.childCount];
+			for (int i = 0; i < _demosRoot.transform.childCount; i++)
+			{
+				_demos[i] = _demosRoot.transform.GetChild(i).gameObject;
+			}
+
+			// Select starting demo from URL
+			#if UNITY_WEBGL
+			{
+				string demoName = DemoUtils.GetUrlParameter(Application.absoluteURL, "demo");
+				if (!string.IsNullOrEmpty(demoName))
+				{
+					foreach (GameObject go in _demos)
+					{
+						var demoInfo = go.GetComponentInChildren<DemoInfo>(true);
+						if (demoInfo.slug.StartsWith(demoName))
+						{
+							_startDemo = go;
+							break;
+						}
+					}
+				}
+			}
+			#endif
+			
+			// Validate properties
+			if (_startDemo)
+			{
+				Debug.Assert(GetDemoIndex(_startDemo) >= 0);
+			}
+
+			// Setup UI
+			if (_buttonNext) { _buttonNext.onClick.AddListener(OnButtonNextClick); }
+			if (_buttonPrev) { _buttonPrev.onClick.AddListener(OnButtonPrevClick); }
+			if (_scrollbar)
+			{
+				_scrollbar.numberOfSteps = DemoCount;
+				_scrollbar.onValueChanged.AddListener(OnScrollBar);
+			}
+
+			if (_demos != null && _demos.Length > 0)
+			{
+				// Disable all demos
+				foreach (GameObject go in _demos)
+				{
+					go.SetActive(false);
+				}
+
+				// Start first demo
+				if (_startDemo)
+				{
+					ChangeDemo(GetDemoIndex(_startDemo));
+				}
+				else
+				{
+					ChangeDemo(0);
+				}
+			}
+		}
+
+		void Update()
+		{
+			if (Input.GetKeyDown(KeyCode.Escape))
+			{
+				Application.Quit();
+			}
+
+			UpdateFPS();
+		}
+
+		void ChangeDemo(int demoIndex)
+		{
+			CurrentDemo.SetActive(false);
+			
+			_demoIndex = demoIndex;
+			var demoInfo = CurrentDemo.GetComponentInChildren<DemoInfo>(true);
+
+			if (_textProgress)
+			{
+				_textProgress.text = string.Format("{0}/{1}", (_demoIndex + 1), DemoCount);
+			}
+			if (_textTitle)
+			{
+				_textTitle.text = string.Empty;
+				if (demoInfo)
+				{
+					_textTitle.text = demoInfo.title;
+				}
+			}
+			if (_scrollbar)
+			{
+				float newScrollbarValue = 0f;
+				if (DemoCount > 1)
+				{
+					newScrollbarValue = _demoIndex / (float)(DemoCount - 1);
+				}
+				#if UNITY_2019_OR_NEWER
+				_scrollbar.SetValueWithoutNotify(newScrollbarValue);
+				#else
+				_scrollbar.value = newScrollbarValue;
+				#endif
+			}
+
+			CurrentDemo.SetActive(true);
+		}
+
+		void UpdateFPS()
+		{
+			_fpsTimer += Time.unscaledDeltaTime;
+			if (_fpsTimer >= FPSInterval)
+			{
+				_fpsTimer %= FPSInterval;
+				float fps = _fpsFrameCount / FPSInterval;
+				_fpsFrameCount = 0;
+
+				if (_textFPS) { _textFPS.text = string.Format("{0:F1} FPS", fps); }
+			}
+			_fpsFrameCount++;
+		}
+
+		void OnButtonPrevClick()
+		{
+			if (_demoIndex - 1 >= 0)
+			{
+				ChangeDemo(_demoIndex - 1);
+			}
+		}
+
+		void OnButtonNextClick()
+		{
+			if (_demoIndex + 1 < DemoCount)
+			{
+				ChangeDemo(_demoIndex + 1);
+			}
+		}
+
+		void OnScrollBar(float progress)
+		{
+			progress = Mathf.Clamp01(progress);
+			int demo = Mathf.RoundToInt(progress * (DemoCount - 1));
+			if (demo != _demoIndex)
+			{
+				ChangeDemo(demo);
+			}
+		}
+
+		int GetDemoIndex(GameObject go)
+		{
+			int result = -1;
+			for (int i = 0; i < _demos.Length; i++)
+			{
+				if (_demos[i] == go)
+				{
+					result = i;
+					break;
+				}
+			}
+			return result;
+		}
+	}
+}