public void SelectElement(UICarouselElement element)
{
if (!element)
{
return;
}
EventSystem.current.SetSelectedGameObject(element.gameObject);
OnElementSelect(element);
}
public void SelectElement(int index)
{
if (IsEmpty)
{
return;
}
UICarouselElement element = m_Elements[Mathf.Clamp(index, 0, m_Elements.Count - 1)];
SelectElement(element);
}
protected virtual void ScrollToElement(UICarouselElement element)
{
/// Where the element is inside the scroll rect
Vector3 elementCenterPos = GetWorldPointInWidget(m_RectTransform, GetWidgetWorldPoint(element.RectTransform));
/// Where the element should be inside the scroll rect
Vector3 targetPos = GetWorldPointInWidget(m_RectTransform, GetWidgetWorldPoint(scrollMask));
Vector3 difference = targetPos - elementCenterPos;
if (!horizontal)
{
difference.x = 0f;
}
if (!vertical)
{
difference.y = 0f;
}
Vector2 normalizedDifference;
Rect rect = content.rect, rect1 = m_RectTransform.rect;
normalizedDifference.x = difference.x / (rect.size.x - rect1.size.x);
normalizedDifference.y = difference.y / (rect.size.y - rect1.size.y);
Vector2 newNormalizedPosition = normalizedPosition - normalizedDifference;
if (movementType != MovementType.Unrestricted)
{
newNormalizedPosition.x = Mathf.Clamp01(newNormalizedPosition.x);
newNormalizedPosition.y = Mathf.Clamp01(newNormalizedPosition.y);
}
//normalizedPosition = newNormalizedPosition;
DG.Tweening.DOTween.To(() => normalizedPosition, (x) => normalizedPosition = x, newNormalizedPosition, 1f / scrollSpeed).SetEase(scrollEase);
}
public virtual UICarouselElement CreateElement(int id, bool selected)
{
GameObject elementGO = Instantiate(elementPrefab, content);
var element = elementGO.GetComponent <UICarouselElement>();
element.ID = id;
element.onSelectElement += OnElementSelect;
element.onDeselectElement += OnElementDeselect;
m_Elements.Add(element);
if (selected)
{
element.PlaySelectAnim();
SelectedElement = element;
}
else
{
element.PlayDeselectAnim();
}
return(element);
}
protected virtual void OnElementDeselect(UICarouselElement element) => onDeselectElement?.Invoke(element);
protected virtual void OnElementSelect(UICarouselElement element)
{
SelectedElement = element;
ScrollToElement(element);
onSelectElement?.Invoke(element);
}