private void Awake()
{
rectTransform = GetComponent <RectTransform>();
layoutGroup = GetComponent <LayoutGroup>();
layoutGroupType = layoutGroup.GetType() == typeof(VerticalLayoutGroup)
? LayoutGroupType.Vertical
: LayoutGroupType.Horizontal;
}
private void Update()
{
if (rectTransform == null)
{
rectTransform = GetComponent <RectTransform>();
}
if (layoutGroup == null)
{
layoutGroup = GetComponent <LayoutGroup>();
layoutGroupType = layoutGroup.GetType() == typeof(VerticalLayoutGroup)
? LayoutGroupType.Vertical
: LayoutGroupType.Horizontal;
}
Transform containerTransform;
var childCount = (containerTransform = transform).childCount;
if (childCount == 0)
{
return;
}
childCount = 0;
for (var i = 0; i < containerTransform.childCount; i++)
{
if (containerTransform.GetChild(i).gameObject.activeInHierarchy)
{
childCount++;
}
}
var firstChildRectTransform = containerTransform.GetChild(0).GetComponent <RectTransform>();
var childSizeDelta = firstChildRectTransform.sizeDelta;
var padding = layoutGroup.padding;
var sizeDelta = rectTransform.sizeDelta;
switch (layoutGroupType)
{
case LayoutGroupType.Vertical:
sizeDelta.y = childCount * (childSizeDelta.y + padding.top + padding.bottom + spacing);
sizeDelta.y *= 0.5f;
break;
case LayoutGroupType.Horizontal:
sizeDelta.x = childCount * (childSizeDelta.x + padding.left + padding.right);
break;
default:
throw new ArgumentOutOfRangeException();
}
rectTransform.sizeDelta = sizeDelta;
}
void Start()
{
layoutGroup = GetComponent <LayoutGroup>();
rectTransform = GetComponent <RectTransform>();
// Save type of layout group so it does not have to be checked again later
if (layoutGroup.GetType() == typeof(HorizontalLayoutGroup))
{
layoutGroupType = LayoutGroupType.Horizontal;
horizontalLayoutGroup = (HorizontalLayoutGroup)layoutGroup;
}
else if (layoutGroup.GetType() == typeof(VerticalLayoutGroup))
{
layoutGroupType = LayoutGroupType.Vertical;
verticalLayoutGroup = (VerticalLayoutGroup)layoutGroup;
}
else if (layoutGroup.GetType() == typeof(GridLayoutGroup))
{
layoutGroupType = LayoutGroupType.Grid;
gridLayoutGroup = (GridLayoutGroup)layoutGroup;
}
}
public void calculateLayout(LayoutGroup layout)
{
m_Padding = layout.padding != null ? layout.padding : new RectOffset();
if (layout.GetType() == typeof(HorizontalLayoutGroup))
{
m_Spacing.x = ((HorizontalLayoutGroup)layout).spacing;
m_Spacing.y = 0;
this.onHorizontalLayoutGroup((HorizontalLayoutGroup)layout);
}
else if (layout.GetType() == typeof(VerticalLayoutGroup))
{
m_Spacing.x = 0;
m_Spacing.y = ((VerticalLayoutGroup)layout).spacing;
this.onVerticalLayoutGroup((VerticalLayoutGroup)layout);
}
else if (layout.GetType() == typeof(GridLayoutGroup))
{
m_Spacing = ((GridLayoutGroup)layout).spacing;
this.onGridLayoutGroup((GridLayoutGroup)layout);
}
this.init();
}
public UnityLayout(LayoutGroup p_layout)
{
m_transform = p_layout.transform;
#if UNITY_EDITOR
if (m_transform.GetComponent <ContentSizeFitter>() == null)
{
Debug.LogWarning(String.Format("The {0} on '{1}' does not have a ContentSizeFitter component attached. You might want to check on that.", p_layout.GetType().Name, m_transform.name));
}
#endif
}