mirror of
https://github.com/RHeavenStudio/HeavenStudio.git
synced 2025-06-13 10:07:37 +02:00
Editor stuff
This commit is contained in:
Starpelly
@ -0,0 +1,318 @@
|
||||
/// Credit BinaryX, SimonDarksideJ
|
||||
/// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/page-2#post-1945602
|
||||
/// Updated by SimonDarksideJ - removed dependency on a custom ScrollRect script. Now implements drag interfaces and standard Scroll Rect.
|
||||
/// Updated by SimonDarksideJ - major refactoring on updating current position and scroll management
|
||||
|
||||
using System;
|
||||
using UnityEngine.EventSystems;
|
||||
|
||||
namespace UnityEngine.UI.Extensions
|
||||
{
|
||||
[RequireComponent(typeof(ScrollRect))]
|
||||
[AddComponentMenu("Layout/Extensions/Vertical Scroll Snap")]
|
||||
public class VerticalScrollSnap : ScrollSnapBase
|
||||
{
|
||||
private bool updated = true;
|
||||
|
||||
void Start()
|
||||
{
|
||||
_isVertical = true;
|
||||
_childAnchorPoint = new Vector2(0.5f,0);
|
||||
_currentPage = StartingScreen;
|
||||
panelDimensions = gameObject.GetComponent<RectTransform>().rect;
|
||||
UpdateLayout();
|
||||
}
|
||||
|
||||
void Update()
|
||||
{
|
||||
updated = false;
|
||||
|
||||
if (!_lerp && _scroll_rect.velocity == Vector2.zero)
|
||||
{
|
||||
if (!_settled && !_pointerDown)
|
||||
{
|
||||
if (!IsRectSettledOnaPage(_screensContainer.anchoredPosition))
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
else if (_lerp)
|
||||
{
|
||||
_screensContainer.anchoredPosition = Vector3.Lerp(_screensContainer.anchoredPosition, _lerp_target, transitionSpeed * (UseTimeScale ? Time.deltaTime : Time.unscaledDeltaTime));
|
||||
if (Vector3.Distance(_screensContainer.anchoredPosition, _lerp_target) < 0.1f)
|
||||
{
|
||||
_screensContainer.anchoredPosition = _lerp_target;
|
||||
_lerp = false;
|
||||
EndScreenChange();
|
||||
}
|
||||
}
|
||||
|
||||
if (UseHardSwipe) return;
|
||||
|
||||
CurrentPage = GetPageforPosition(_screensContainer.anchoredPosition);
|
||||
|
||||
//If the container is moving check if it needs to settle on a page
|
||||
if (!_pointerDown)
|
||||
{
|
||||
if (_scroll_rect.velocity.y > 0.01 || _scroll_rect.velocity.y < -0.01)
|
||||
{
|
||||
// if the pointer is released and is moving slower than the threshold, then just land on a page
|
||||
if (IsRectMovingSlowerThanThreshold(0))
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private bool IsRectMovingSlowerThanThreshold(float startingSpeed)
|
||||
{
|
||||
return (_scroll_rect.velocity.y > startingSpeed && _scroll_rect.velocity.y < SwipeVelocityThreshold) ||
|
||||
(_scroll_rect.velocity.y < startingSpeed && _scroll_rect.velocity.y > -SwipeVelocityThreshold);
|
||||
}
|
||||
|
||||
public void DistributePages()
|
||||
{
|
||||
_screens = _screensContainer.childCount;
|
||||
_scroll_rect.verticalNormalizedPosition = 0;
|
||||
|
||||
float _offset = 0;
|
||||
float _dimension = 0;
|
||||
Rect panelDimensions = gameObject.GetComponent<RectTransform>().rect;
|
||||
float currentYPosition = 0;
|
||||
var pageStepValue = _childSize = (int)panelDimensions.height * ((PageStep == 0) ? 3 : PageStep);
|
||||
|
||||
for (int i = 0; i < _screensContainer.transform.childCount; i++)
|
||||
{
|
||||
RectTransform child = _screensContainer.transform.GetChild(i).gameObject.GetComponent<RectTransform>();
|
||||
currentYPosition = _offset + i * pageStepValue;
|
||||
child.sizeDelta = new Vector2(panelDimensions.width, panelDimensions.height);
|
||||
child.anchoredPosition = new Vector2(0f, currentYPosition);
|
||||
child.anchorMin = child.anchorMax = child.pivot = _childAnchorPoint;
|
||||
}
|
||||
|
||||
_dimension = currentYPosition + _offset * -1;
|
||||
|
||||
_screensContainer.GetComponent<RectTransform>().offsetMax = new Vector2(0f, _dimension);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Add a new child to this Scroll Snap and recalculate it's children
|
||||
/// </summary>
|
||||
/// <param name="GO">GameObject to add to the ScrollSnap</param>
|
||||
public void AddChild(GameObject GO)
|
||||
{
|
||||
AddChild(GO, false);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Add a new child to this Scroll Snap and recalculate it's children
|
||||
/// </summary>
|
||||
/// <param name="GO">GameObject to add to the ScrollSnap</param>
|
||||
/// <param name="WorldPositionStays">Should the world position be updated to it's parent transform?</param>
|
||||
public void AddChild(GameObject GO, bool WorldPositionStays)
|
||||
{
|
||||
_scroll_rect.verticalNormalizedPosition = 0;
|
||||
GO.transform.SetParent(_screensContainer, WorldPositionStays);
|
||||
InitialiseChildObjectsFromScene();
|
||||
DistributePages();
|
||||
if (MaskArea) UpdateVisible();
|
||||
|
||||
SetScrollContainerPosition();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Remove a new child to this Scroll Snap and recalculate it's children
|
||||
/// *Note, this is an index address (0-x)
|
||||
/// </summary>
|
||||
/// <param name="index">Index element of child to remove</param>
|
||||
/// <param name="ChildRemoved">Resulting removed GO</param>
|
||||
public void RemoveChild(int index, out GameObject ChildRemoved)
|
||||
{
|
||||
RemoveChild(index, false, out ChildRemoved);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Remove a new child to this Scroll Snap and recalculate it's children
|
||||
/// *Note, this is an index address (0-x)
|
||||
/// </summary>
|
||||
/// <param name="index">Index element of child to remove</param>
|
||||
/// <param name="WorldPositionStays">If true, the parent-relative position, scale and rotation are modified such that the object keeps the same world space position, rotation and scale as before</param>
|
||||
/// <param name="ChildRemoved">Resulting removed GO</param>
|
||||
public void RemoveChild(int index, bool WorldPositionStays, out GameObject ChildRemoved)
|
||||
{
|
||||
ChildRemoved = null;
|
||||
if (index < 0 || index > _screensContainer.childCount)
|
||||
{
|
||||
return;
|
||||
}
|
||||
_scroll_rect.verticalNormalizedPosition = 0;
|
||||
|
||||
Transform child = _screensContainer.transform.GetChild(index);
|
||||
child.SetParent(null, WorldPositionStays);
|
||||
ChildRemoved = child.gameObject;
|
||||
InitialiseChildObjectsFromScene();
|
||||
DistributePages();
|
||||
if (MaskArea) UpdateVisible();
|
||||
|
||||
if (_currentPage > _screens - 1)
|
||||
{
|
||||
CurrentPage = _screens - 1;
|
||||
}
|
||||
|
||||
SetScrollContainerPosition();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Remove all children from this ScrollSnap
|
||||
/// </summary>
|
||||
/// <param name="ChildrenRemoved">Array of child GO's removed</param>
|
||||
public void RemoveAllChildren(out GameObject[] ChildrenRemoved)
|
||||
{
|
||||
RemoveAllChildren(false, out ChildrenRemoved);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Remove all children from this ScrollSnap
|
||||
/// </summary>
|
||||
/// <param name="WorldPositionStays">If true, the parent-relative position, scale and rotation are modified such that the object keeps the same world space position, rotation and scale as before</param>
|
||||
/// <param name="ChildrenRemoved">Array of child GO's removed</param>
|
||||
public void RemoveAllChildren(bool WorldPositionStays, out GameObject[] ChildrenRemoved)
|
||||
{
|
||||
var _screenCount = _screensContainer.childCount;
|
||||
ChildrenRemoved = new GameObject[_screenCount];
|
||||
|
||||
for (int i = _screenCount - 1; i >= 0; i--)
|
||||
{
|
||||
ChildrenRemoved[i] = _screensContainer.GetChild(i).gameObject;
|
||||
ChildrenRemoved[i].transform.SetParent(null, WorldPositionStays);
|
||||
}
|
||||
|
||||
_scroll_rect.verticalNormalizedPosition = 0;
|
||||
CurrentPage = 0;
|
||||
InitialiseChildObjectsFromScene();
|
||||
DistributePages();
|
||||
if (MaskArea) UpdateVisible();
|
||||
}
|
||||
|
||||
private void SetScrollContainerPosition()
|
||||
{
|
||||
_scrollStartPosition = _screensContainer.anchoredPosition.y;
|
||||
_scroll_rect.verticalNormalizedPosition = (float)(_currentPage) / (_screens - 1);
|
||||
OnCurrentScreenChange(_currentPage);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// used for changing / updating between screen resolutions
|
||||
/// </summary>
|
||||
public void UpdateLayout()
|
||||
{
|
||||
_lerp = false;
|
||||
DistributePages();
|
||||
if (MaskArea) UpdateVisible();
|
||||
SetScrollContainerPosition();
|
||||
OnCurrentScreenChange(_currentPage);
|
||||
}
|
||||
|
||||
private void OnRectTransformDimensionsChange()
|
||||
{
|
||||
if (_childAnchorPoint != Vector2.zero)
|
||||
{
|
||||
UpdateLayout();
|
||||
}
|
||||
}
|
||||
|
||||
private void OnEnable()
|
||||
{
|
||||
InitialiseChildObjectsFromScene();
|
||||
DistributePages();
|
||||
if (MaskArea)
|
||||
UpdateVisible();
|
||||
|
||||
if (JumpOnEnable || !RestartOnEnable)
|
||||
SetScrollContainerPosition();
|
||||
if (RestartOnEnable)
|
||||
GoToScreen(StartingScreen);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Release screen to swipe
|
||||
/// </summary>
|
||||
/// <param name="eventData"></param>
|
||||
public override void OnEndDrag(PointerEventData eventData)
|
||||
{
|
||||
if (updated)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// to prevent double dragging, only act on EndDrag once per frame
|
||||
updated = true;
|
||||
|
||||
_pointerDown = false;
|
||||
|
||||
if (_scroll_rect.vertical)
|
||||
{
|
||||
if (UseSwipeDeltaThreshold && Math.Abs(eventData.delta.y) < SwipeDeltaThreshold)
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
else
|
||||
{
|
||||
var distance = Vector3.Distance(_startPosition, _screensContainer.anchoredPosition);
|
||||
if (UseHardSwipe)
|
||||
{
|
||||
_scroll_rect.velocity = Vector3.zero;
|
||||
|
||||
if (distance > FastSwipeThreshold)
|
||||
{
|
||||
if (_startPosition.y - _screensContainer.anchoredPosition.y > 0)
|
||||
{
|
||||
NextScreen();
|
||||
}
|
||||
else
|
||||
{
|
||||
PreviousScreen();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (UseFastSwipe && distance < panelDimensions.height + FastSwipeThreshold && distance >= 1f)
|
||||
{
|
||||
_scroll_rect.velocity = Vector3.zero;
|
||||
if (_startPosition.y - _screensContainer.anchoredPosition.y > 0)
|
||||
{
|
||||
if (_startPosition.y - _screensContainer.anchoredPosition.y > _childSize / 3)
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
else
|
||||
{
|
||||
NextScreen();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (_startPosition.y - _screensContainer.anchoredPosition.y > -_childSize / 3)
|
||||
{
|
||||
ScrollToClosestElement();
|
||||
}
|
||||
else
|
||||
{
|
||||
PreviousScreen();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user