public void GetPosInfo(Vector2 size, Vector2 center, ref PositionInQuadTree posInfo)
{
posInfo.Reset();
var depth = GetDepth(size);
if (depth == 0)
{
posInfo.inRoot = true;
return;
}
var gridsize = _gridSizes[depth];
int row = Mathf.FloorToInt((center.y - _worldRect.yMin) / gridsize.y);
int column = Mathf.FloorToInt((center.x - _worldRect.xMin) / gridsize.x);
int tempRow = row;
int tempColumn = column;
var storeDepth = 0;
posInfo.storeDepth = depth;
for (int i = depth - 1; i >= 0; i--)
{
int div = (int)Mathf.Pow(2, i);
int rowIndex = tempRow / div;
if (rowIndex > 1)
{
rowIndex = 1;
}
int columnIndex = tempColumn / div;
if (columnIndex > 1)
{
columnIndex = 1;
}
tempRow %= div;
tempColumn %= div;
posInfo.posInDepths[storeDepth].rowIndex = rowIndex;
posInfo.posInDepths[storeDepth].columnIndex = columnIndex;
storeDepth++;
}
}
public void InitializePosInQuadTree(QuadTree quadTree)
{
_lastPosInQuadTree = new PositionInQuadTree(quadTree.GetDepth(this.size));
_currentPosInQuadTree = new PositionInQuadTree(quadTree.GetDepth(this.size));
}