/// <summary>
/// 刷新显示单项
/// </summary>
private void UpdateShowItems()
{
MyUIGridItem item = null;
int count = dataList.Count;
for (int index = 0; index < count; index++)
{
ShowOrHideIndexData(0, index);
ShowOrHideIndexData(1, index);
}
}
/// <summary>
/// 创建单项缓存池
/// </summary>
private void SpawnPoolItems()
{
//初始化池大小
int poolCount = 0;
//显示区域大小
Vector2 showSize = Vector2.zero;
int maxShowColumn = 0;
int maxShowRow = 0;
if (originViewRect != Rect.zero)
{
showSize = originViewRect.size;
maxShowColumn = Mathf.FloorToInt(showSize.x / cellSize.x);
maxShowColumn += Mathf.Abs(showSize.x % cellSize.x) < float.Epsilon ? 0 : 1;
maxShowRow = Mathf.FloorToInt(showSize.y / cellSize.y);
maxShowRow += Mathf.Abs(showSize.y % cellSize.y) < float.Epsilon ? 0 : 1;
poolCount = maxShowColumn * maxShowRow + 2 * (columnLimit + rowLimit + 1);
poolCount = Mathf.Min(poolCount, dataList.Count);
}
else
{
poolCount = dataList.Count;
}
ClearShowItems();
GameObject tmpGo = null;
MyUIGridItem gridItem = null;
int initPoolCount = poolItems.Count;
//如果现在对象池不够那么再实例化
for (int i = poolCount; i > initPoolCount; i--)
{
tmpGo = Instantiate(pbGo, transform);
gridItem = tmpGo.GetComponent <MyUIGridItem>();
if (gridItem == null)
{
gridItem = tmpGo.AddComponent <MyUIGridItem>();
}
gridItem.OnUnSpawn();
poolItems.Add(tmpGo.GetComponent <MyUIGridItem>());
}
}
