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Updated VSS / HSS to handle pages with interactable components. 

Interactables mess with the Pointer Down/Up events that the control used when a mouse is used, so implementation changes to suit.

--HG--
branch : develop_5.3
release
Simon Jackson 2017-01-04 13:18:28 +00:00
parent 38d98a0fad
commit 344ca57f4b
3 changed files with 28 additions and 22 deletions
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15
Scripts/Layout/HorizontalScrollSnap.cs
View File

@ -45,17 +45,20 @@ namespace UnityEngine.UI.Extensions
CurrentPage = GetPageforPosition(_screensContainer.localPosition);
//If the container is moving check if it needs to settle on a page
if (!_pointerDown && (_scroll_rect.velocity.x > 0.01 || _scroll_rect.velocity.x < 0.01))
if (!_pointerDown)
{
// if the pointer is released and is moving slower than the threshold, then just land on a page
if (IsRectMovingFasterThanThreshold(0))
if (_scroll_rect.velocity.x > 0.01 || _scroll_rect.velocity.x < 0.01)
{
ScrollToClosestElement();
//if the pointer is released and is moving slower than the threshold, then just land on a page
if (IsRectMovingSlowerThanThreshold(0))
{
ScrollToClosestElement();
}
}
}
}
private bool IsRectMovingFasterThanThreshold(float startingSpeed)
private bool IsRectMovingSlowerThanThreshold(float startingSpeed)
{
return (_scroll_rect.velocity.x > startingSpeed && _scroll_rect.velocity.x < SwipeVelocityThreshold) ||
(_scroll_rect.velocity.x < startingSpeed && _scroll_rect.velocity.x > -SwipeVelocityThreshold);
@ -195,6 +198,8 @@ namespace UnityEngine.UI.Extensions
/// <param name="eventData"></param>
public void OnEndDrag(PointerEventData eventData)
{
_pointerDown = false;
if (_scroll_rect.horizontal)
{
if (UseFastSwipe)

12
Scripts/Layout/ScrollSnapBase.cs
View File

@ -4,7 +4,7 @@ using UnityEngine.EventSystems;
namespace UnityEngine.UI.Extensions
{
public class ScrollSnapBase : MonoBehaviour, IBeginDragHandler, IDragHandler, IPointerDownHandler, IPointerUpHandler
public class ScrollSnapBase : MonoBehaviour, IBeginDragHandler, IDragHandler
{
internal RectTransform _screensContainer;
internal bool _isVertical;
@ -404,6 +404,7 @@ namespace UnityEngine.UI.Extensions
/// <param name="eventData"></param>
public void OnBeginDrag(PointerEventData eventData)
{
_pointerDown = true;
_settled = false;
StartScreenChange();
_startPosition = _screensContainer.localPosition;
@ -418,15 +419,6 @@ namespace UnityEngine.UI.Extensions
_lerp = false;
}
public void OnPointerDown(PointerEventData eventData)
{
_pointerDown = true;
}
public void OnPointerUp(PointerEventData eventData)
{
_pointerDown = false;
}
#endregion
}
}

21
Scripts/Layout/VerticalScrollSnap.cs
View File

@ -45,16 +45,23 @@ namespace UnityEngine.UI.Extensions
CurrentPage = GetPageforPosition(_screensContainer.localPosition);
//If the container is moving check if it needs to settle on a page
if (!_pointerDown && (_scroll_rect.velocity.y > 0.01 || _scroll_rect.velocity.y < -0.01))
if (!_pointerDown)
{
// if the pointer is released and is moving slower than the threshold, then just land on a page
if ((_scroll_rect.velocity.y > 0 && _scroll_rect.velocity.y < SwipeVelocityThreshold) ||
(_scroll_rect.velocity.y < 0 && _scroll_rect.velocity.y > -SwipeVelocityThreshold))
{
ScrollToClosestElement();
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()
@ -191,6 +198,8 @@ namespace UnityEngine.UI.Extensions
/// <param name="eventData"></param>
public void OnEndDrag(PointerEventData eventData)
{
_pointerDown = false;
if (_scroll_rect.vertical)
{
if (UseFastSwipe)