void OnGUI()
{
isSortReverse = EditorGUILayout.Toggle("is Sort Reverse", isSortReverse);
sortingOffsetString = EditorGUILayout.TextField("Sorting Offset", sortingOffsetString);
sortingSpaceString = EditorGUILayout.TextField("Sorting Space", sortingSpaceString);
sortingBy = (SortingBy)EditorGUILayout.EnumPopup("Sorting By", sortingBy);
if (GUILayout.Button("Sorting Selected"))
{
SortingSelected(sortingBy);
}
Refresh();
}
void SortingSelected(SortingBy sortingBy)
{
Debug.Log("------- Sorting Selected Start -------");
//參數歸零
prepareSortingLayerItemsList = new List <PrepareSortSortingLayerItems>();
sortingOffset = 0;
sortingSpace = 0;
//轉換參數
if (sortingOffsetString == null || sortingSpaceString == null)
{
Debug.LogWarning("Sorting Space / Offset 數值未填");
return;
}
int.TryParse(sortingOffsetString, out sortingOffset);
int.TryParse(sortingSpaceString, out sortingSpace);
if (sortingSpace < 0)
{
Debug.LogWarning("Sorting Space 無法為負數");
return;
}
if (Selection.gameObjects != null)
{
// 取得場上選擇的物件放入 List
foreach (var item in Selection.gameObjects)
{
PrepareSortSortingLayerItems tempPSSLI = new PrepareSortSortingLayerItems();
tempPSSLI.gameObject = item;
if (item.TryGetComponent(out SpriteRenderer sr))
{
tempPSSLI.spriteRenderer = sr;
}
if (item.TryGetComponent(out SortingGroup sg))
{
tempPSSLI.sortingGroup = sg;
}
if (item.TryGetComponent(out ParticleSystemRenderer psr))
{
tempPSSLI.particleSystemRenderer = psr;
}
prepareSortingLayerItemsList.Add(tempPSSLI);
}
// List 內容排序
List <PrepareSortSortingLayerItems> sortingResultList = new List <PrepareSortSortingLayerItems>();
if (sortingBy == SortingBy.X)
{
sortingResultList = prepareSortingLayerItemsList.OrderBy(_ => _.gameObject.transform.position.x).ToList();
}
else if (sortingBy == SortingBy.Y)
{
sortingResultList = prepareSortingLayerItemsList.OrderBy(_ => _.gameObject.transform.position.y).ToList();
}
else if (sortingBy == SortingBy.Z)
{
sortingResultList = prepareSortingLayerItemsList.OrderBy(_ => _.gameObject.transform.position.z).ToList();
}
// 依照順序賦 Order in Layer 值
int reverseIt = (isSortReverse) ? 1 : 0;
int index = sortingOffset + (sortingResultList.Count * sortingSpace + (2 - sortingSpace)) * reverseIt;
reverseIt = (isSortReverse) ? -1 : 1;
foreach (var item in sortingResultList)
{
if (item.spriteRenderer != null)
{
item.spriteRenderer.sortingOrder = index;
}
if (item.sortingGroup != null)
{
item.sortingGroup.sortingOrder = index;
}
if (item.particleSystemRenderer != null)
{
item.particleSystemRenderer.sortingOrder = index;
}
index += (sortingSpace + 1) * reverseIt;
}
Debug.Log("------- Sorting Selected Done -------");
}
else
{
Debug.LogWarning("未選擇場上的 Game Object");
}
}
