Added Vertical Scroll Snap control
Simon (darkside) Jackson
parent
1982f9b81a
commit
1225dbbd01
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@ -233,6 +233,7 @@ namespace UnityEditor.UI
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ScrollRect sr = horizontalScrollSnapRoot.AddComponent<ScrollRect>();
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sr.vertical = false;
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sr.horizontal = true;
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horizontalScrollSnapRoot.AddComponent<HorizontalScrollSnap>();
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//Setup Content container
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@ -277,6 +278,78 @@ namespace UnityEditor.UI
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Selection.activeGameObject = horizontalScrollSnapRoot;
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}
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[MenuItem("GameObject/UI/Extensions/Vertical Scroll Snap", false)]
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static public void AddVerticallScrollSnap(MenuCommand menuCommand)
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{
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GameObject verticalScrollSnapRoot = CreateUIElementRoot("Vertical Scroll Snap", menuCommand, s_ThickGUIElementSize);
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GameObject childContent = CreateUIObject("Content", verticalScrollSnapRoot);
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GameObject childPage01 = CreateUIObject("Page_01", childContent);
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GameObject childText = CreateUIObject("Text", childPage01);
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// Set RectTransform to stretch
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RectTransform rectTransformScrollSnapRoot = verticalScrollSnapRoot.GetComponent<RectTransform>();
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rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
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rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
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rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
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rectTransformScrollSnapRoot.sizeDelta = new Vector2(300f, 150f);
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Image image = verticalScrollSnapRoot.AddComponent<Image>();
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image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
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image.type = Image.Type.Sliced;
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image.color = new Color(1f, 1f, 1f, 0.392f);
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ScrollRect sr = verticalScrollSnapRoot.AddComponent<ScrollRect>();
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sr.vertical = true;
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sr.horizontal = false;
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verticalScrollSnapRoot.AddComponent<VerticalScrollSnap>();
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//Setup Content container
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RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
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rectTransformContent.anchorMin = Vector2.zero;
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rectTransformContent.anchorMax = new Vector2(1f, 1f);
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//rectTransformContent.anchoredPosition = Vector2.zero;
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rectTransformContent.sizeDelta = Vector2.zero;
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sr.content = rectTransformContent;
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//Setup 1st Child
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Image pageImage = childPage01.AddComponent<Image>();
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pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
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pageImage.type = Image.Type.Sliced;
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pageImage.color = s_DefaultSelectableColor;
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RectTransform rectTransformPage01 = childPage01.GetComponent<RectTransform>();
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rectTransformPage01.anchorMin = new Vector2(0f, 0.5f);
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rectTransformPage01.anchorMax = new Vector2(0f, 0.5f);
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//rectTransformPage01.anchoredPosition = Vector2.zero;
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//rectTransformPage01.sizeDelta = Vector2.zero;
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rectTransformPage01.pivot = new Vector2(0f, 0.5f);
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//Setup Text on Page01
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Text text = childText.AddComponent<Text>();
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text.text = "Page_01";
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text.alignment = TextAnchor.MiddleCenter;
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text.color = new Color(0.196f, 0.196f, 0.196f);
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//Setup Text 1st Child
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RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
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rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
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rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
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//rectTransformPage01Text.anchoredPosition = Vector2.zero;
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//rectTransformPage01Text.sizeDelta = Vector2.zero;
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rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
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//Need to add example child components like in the Asset (SJ)
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Selection.activeGameObject = verticalScrollSnapRoot;
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}
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[MenuItem("GameObject/UI/Extensions/UI Button", false)]
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static public void AddUIButton(MenuCommand menuCommand)
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{
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@ -0,0 +1,285 @@
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/// Credit BinaryX
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/// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/page-2#post-1945602
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/// Updated by ddreaper - removed dependency on a custom ScrollRect script. Now implements drag interfaces and standard Scroll Rect.
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using System;
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using UnityEngine.EventSystems;
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namespace UnityEngine.UI.Extensions
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{
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[RequireComponent(typeof(ScrollRect))]
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[AddComponentMenu("UI/Extensions/Vertical Scroll Snap")]
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public class VerticalScrollSnap : MonoBehaviour, IBeginDragHandler, IEndDragHandler, IDragHandler
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{
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private Transform _screensContainer;
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private int _screens = 1;
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private int _startingScreen = 1;
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private bool _fastSwipeTimer = false;
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private int _fastSwipeCounter = 0;
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private int _fastSwipeTarget = 30;
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private System.Collections.Generic.List<Vector3> _positions;
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private ScrollRect _scroll_rect;
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private Vector3 _lerp_target;
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private bool _lerp;
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private int _containerSize;
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[Tooltip("The gameobject that contains toggles which suggest pagination. (optional)")]
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public GameObject Pagination;
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[Tooltip("Button to go to the next page. (optional)")]
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public GameObject NextButton;
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[Tooltip("Button to go to the previous page. (optional)")]
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public GameObject PrevButton;
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public Boolean UseFastSwipe = true;
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public int FastSwipeThreshold = 100;
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private bool _startDrag = true;
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private Vector3 _startPosition = new Vector3();
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private int _currentScreen;
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// Use this for initialization
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void Start()
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{
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_scroll_rect = gameObject.GetComponent<ScrollRect>();
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_screensContainer = _scroll_rect.content;
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DistributePages();
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_screens = _screensContainer.childCount;
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_lerp = false;
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_positions = new System.Collections.Generic.List<Vector3>();
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if (_screens > 0)
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{
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for (int i = 0; i < _screens; ++i)
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{
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_scroll_rect.verticalNormalizedPosition = (float)i / (float)(_screens - 1);
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_positions.Add(_screensContainer.localPosition);
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}
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}
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_scroll_rect.verticalNormalizedPosition = (float)(_startingScreen - 1) / (float)(_screens - 1);
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_containerSize = (int)_screensContainer.gameObject.GetComponent<RectTransform>().offsetMax.y;
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ChangeBulletsInfo(CurrentScreen());
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if (NextButton)
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NextButton.GetComponent<Button>().onClick.AddListener(() => { NextScreen(); });
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if (PrevButton)
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PrevButton.GetComponent<Button>().onClick.AddListener(() => { PreviousScreen(); });
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}
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void Update()
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{
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if (_lerp)
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{
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_screensContainer.localPosition = Vector3.Lerp(_screensContainer.localPosition, _lerp_target, 7.5f * Time.deltaTime);
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if (Vector3.Distance(_screensContainer.localPosition, _lerp_target) < 0.005f)
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{
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_lerp = false;
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}
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//change the info bullets at the bottom of the screen. Just for visual effect
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if (Vector3.Distance(_screensContainer.localPosition, _lerp_target) < 10f)
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{
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ChangeBulletsInfo(CurrentScreen());
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}
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}
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if (_fastSwipeTimer)
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{
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_fastSwipeCounter++;
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}
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}
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private bool fastSwipe = false; //to determine if a fast swipe was performed
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//Function for switching screens with buttons
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public void NextScreen()
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{
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if (CurrentScreen() < _screens - 1)
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{
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_lerp = true;
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_lerp_target = _positions[CurrentScreen() + 1];
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ChangeBulletsInfo(CurrentScreen() + 1);
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}
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}
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//Function for switching screens with buttons
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public void PreviousScreen()
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{
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if (CurrentScreen() > 0)
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{
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_lerp = true;
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_lerp_target = _positions[CurrentScreen() - 1];
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ChangeBulletsInfo(CurrentScreen() - 1);
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}
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}
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//Because the CurrentScreen function is not so reliable, these are the functions used for swipes
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private void NextScreenCommand()
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{
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if (_currentScreen < _screens - 1)
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{
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_lerp = true;
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_lerp_target = _positions[_currentScreen + 1];
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ChangeBulletsInfo(_currentScreen + 1);
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}
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}
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//Because the CurrentScreen function is not so reliable, these are the functions used for swipes
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private void PrevScreenCommand()
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{
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if (_currentScreen > 0)
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{
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_lerp = true;
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_lerp_target = _positions[_currentScreen - 1];
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ChangeBulletsInfo(_currentScreen - 1);
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}
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}
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//find the closest registered point to the releasing point
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private Vector3 FindClosestFrom(Vector3 start, System.Collections.Generic.List<Vector3> positions)
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{
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Vector3 closest = Vector3.zero;
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float distance = Mathf.Infinity;
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foreach (Vector3 position in _positions)
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{
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if (Vector3.Distance(start, position) < distance)
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{
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distance = Vector3.Distance(start, position);
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closest = position;
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}
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}
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return closest;
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}
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//returns the current screen that the is seeing
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public int CurrentScreen()
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{
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float absPoz = Math.Abs(_screensContainer.gameObject.GetComponent<RectTransform>().offsetMin.y);
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absPoz = Mathf.Clamp(absPoz, 1, _containerSize - 1);
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float calc = (absPoz / _containerSize) * _screens;
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return (int)calc;
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}
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//changes the bullets on the bottom of the page - pagination
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private void ChangeBulletsInfo(int currentScreen)
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{
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if (Pagination)
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for (int i = 0; i < Pagination.transform.childCount; i++)
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{
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Pagination.transform.GetChild(i).GetComponent<Toggle>().isOn = (currentScreen == i)
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? true
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: false;
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}
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}
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//used for changing between screen resolutions
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private void DistributePages()
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{
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float _offset = 0;
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float _step = Screen.height;
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float _dimension = 0;
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Vector2 panelDimensions = gameObject.GetComponent<RectTransform>().sizeDelta;
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float currentYPosition = 0;
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for (int i = 0; i < _screensContainer.transform.childCount; i++)
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{
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RectTransform child = _screensContainer.transform.GetChild(i).gameObject.GetComponent<RectTransform>();
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currentYPosition = _offset + i * _step;
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child.sizeDelta = new Vector2(panelDimensions.x, panelDimensions.y);
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child.anchoredPosition = new Vector2(0f - panelDimensions.x / 2, currentYPosition + panelDimensions.y / 2);
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}
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_dimension = currentYPosition + _offset * -1;
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_screensContainer.GetComponent<RectTransform>().offsetMax = new Vector2(0f,_dimension);
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}
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#region Interfaces
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public void OnBeginDrag(PointerEventData eventData)
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{
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_startPosition = _screensContainer.localPosition;
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_fastSwipeCounter = 0;
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_fastSwipeTimer = true;
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_currentScreen = CurrentScreen();
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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_startDrag = true;
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if (_scroll_rect.vertical)
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{
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if (UseFastSwipe)
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{
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fastSwipe = false;
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_fastSwipeTimer = false;
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if (_fastSwipeCounter <= _fastSwipeTarget)
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{
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if (Math.Abs(_startPosition.y - _screensContainer.localPosition.y) > FastSwipeThreshold)
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{
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fastSwipe = true;
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}
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}
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if (fastSwipe)
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{
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if (_startPosition.y - _screensContainer.localPosition.y > 0)
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{
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NextScreenCommand();
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}
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else
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{
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PrevScreenCommand();
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}
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}
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else
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{
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_lerp = true;
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_lerp_target = FindClosestFrom(_screensContainer.localPosition, _positions);
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}
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}
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else
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{
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_lerp = true;
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_lerp_target = FindClosestFrom(_screensContainer.localPosition, _positions);
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}
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}
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}
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public void OnDrag(PointerEventData eventData)
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{
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_lerp = false;
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if (_startDrag)
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{
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OnBeginDrag(eventData);
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_startDrag = false;
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}
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}
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#endregion
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}
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}
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@ -0,0 +1,12 @@
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fileFormatVersion: 2
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guid: e9dccd2761b104249a8eb0636b550188
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timeCreated: 1440928417
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licenseType: Pro
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MonoImporter:
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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