public virtual void OnDrag(PointerEventData eventData)
{
if (eventData.button == PointerEventData.InputButton.Left)
{
if (this.IsActive())
{
Vector2 a;
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(this.viewRect, eventData.position, eventData.pressEventCamera, out a))
{
this.UpdateBounds();
Vector2 b = a - this.m_PointerStartLocalCursor;
Vector2 vector = this.m_ContentStartPosition + b;
Vector2 b2 = this.CalculateOffset(vector - this.m_Content.anchoredPosition);
vector += b2;
if (this.m_MovementType == ScrollRect.MovementType.Elastic)
{
if (b2.x != 0f)
{
vector.x -= ScrollRect.RubberDelta(b2.x, this.m_ViewBounds.size.x);
}
if (b2.y != 0f)
{
vector.y -= ScrollRect.RubberDelta(b2.y, this.m_ViewBounds.size.y);
}
}
this.SetContentAnchoredPosition(vector);
}
}
}
}
/// <summary>
/// <para>Handling for when the content is dragged.</para>
/// </summary>
/// <param name="eventData"></param>
public virtual void OnDrag(PointerEventData eventData)
{
Vector2 localPoint;
if (eventData.button != PointerEventData.InputButton.Left || !this.IsActive() || !RectTransformUtility.ScreenPointToLocalPointInRectangle(this.viewRect, eventData.position, eventData.pressEventCamera, out localPoint))
{
return;
}
this.UpdateBounds();
Vector2 vector2 = this.m_ContentStartPosition + localPoint - this.m_PointerStartLocalCursor;
Vector2 offset = this.CalculateOffset(vector2 - this.m_Content.anchoredPosition);
Vector2 position = vector2 + offset;
if (this.m_MovementType == ScrollRect.MovementType.Elastic)
{
if ((double)offset.x != 0.0)
{
position.x = position.x - ScrollRect.RubberDelta(offset.x, this.m_ViewBounds.size.x);
}
if ((double)offset.y != 0.0)
{
position.y = position.y - ScrollRect.RubberDelta(offset.y, this.m_ViewBounds.size.y);
}
}
this.SetContentAnchoredPosition(position);
}