void SortDown(CellData item)
{
int childIndexLeft = item.HeapIndex * 2 + 1;
int childIndexRight = item.HeapIndex * 2 + 2;
int swapIndex = 0;
while (childIndexLeft < m_Count)
{
if (childIndexRight < m_Count && m_Items[childIndexLeft].CompareTo(ref m_Items[childIndexRight]) > 0)
{
swapIndex = childIndexRight;
}
else
{
swapIndex = childIndexLeft;
}
if (item.CompareTo(ref m_Items[swapIndex]) > 0)
{
Swap(item, m_Items[swapIndex]);
}
else
{
return;
}
childIndexLeft = item.HeapIndex * 2 + 1;
childIndexRight = item.HeapIndex * 2 + 2;
swapIndex = 0;
}
}
void SortUp(CellData item)
{
int parentIndex = (item.HeapIndex - 1) / 2;
var parentItem = m_Items[parentIndex];
while (item.CompareTo(ref parentItem) < 0)
{
Swap(item, parentItem);
parentIndex = (item.HeapIndex - 1) / 2;
parentItem = m_Items[parentIndex];
}
}