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Update ScrollSnapBase.cs

pull/474/head
GoShikhar 2024-05-14 10:10:38 +05:30
parent 0b22cdd067
commit 204bc7bdd1
1 changed files with 30 additions and 1 deletions
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31
Runtime/Scripts/Layout/ScrollSnapBase.cs
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@ -35,6 +35,10 @@ namespace UnityEngine.UI.Extensions
internal bool _endEventCalled = false;
internal bool _suspendEvents = false;
// Events
[SerializeField]
private UnityEvent<GameObject, float> onTransitionEffects = new UnityEvent<GameObject, float>();
[Serializable]
public class SelectionChangeStartEvent : UnityEvent { }
[Serializable]
@ -300,11 +304,11 @@ namespace UnityEngine.UI.Extensions
Debug.Log("Failed to setactive child [" + i + "]");
}
}
//Deactivate items out of visibility at the bottom of the ScrollRect Mask (only on scroll)
if (_currentPage > _halfNoVisibleItems) ChildObjects[CurrentPage - _bottomItem].SetActive(false);
//Deactivate items out of visibility at the top of the ScrollRect Mask (only on scroll)
if (_screensContainer.childCount - _currentPage > _topItem) ChildObjects[CurrentPage + _topItem].SetActive(false);
}
//Function for switching screens with buttons
@ -642,5 +646,30 @@ namespace UnityEngine.UI.Extensions
}
#endregion
#region Transition Effects
private Vector2 GetDisplacementFromCenter(int index)
{
return _screensContainer.GetChild(index).GetComponent<Transform>().position - _scroll_rect.viewport.transform.position;
}
private void HandleTransitionEffects()
{
if (onTransitionEffects.GetPersistentEventCount() == 0) return;
for (int i = 0; i < _screensContainer.childCount; i++)
{
Vector2 displacement = GetDisplacementFromCenter(i);
float d = (_scroll_rect.horizontal ? displacement.x : displacement.y);
onTransitionEffects.Invoke(_screensContainer.GetChild(i).gameObject, d);
}
}
protected virtual void Update()
{
HandleTransitionEffects();
}
#endregion
}
}