public int[] getPossibleCollidableObjects(cAABB bounds)
{
List <int> all = new List <int>();
int topLeftIndex = GetCellIndexAtWorldPos(bounds.topLeft);
int topRightIndex = GetCellIndexAtWorldPos(bounds.getTopRight());
int bottomRightIndex = GetCellIndexAtWorldPos(bounds.rightBottom);
int bottomLeftIndex = GetCellIndexAtWorldPos(bounds.getLeftBottom());
if (topLeftIndex == bottomRightIndex)
{
all.AddRange(grid[topLeftIndex].getAll());
}
else
{
if (topLeftIndex == bottomLeftIndex || bottomLeftIndex == bottomRightIndex)
{
all.AddRange(grid[topLeftIndex].getAll());
all.AddRange(grid[bottomRightIndex].getAll());
}
else
{
all.AddRange(grid[topLeftIndex].getAll());
all.AddRange(grid[topRightIndex].getAll());
all.AddRange(grid[bottomRightIndex].getAll());
all.AddRange(grid[bottomLeftIndex].getAll());
}
}
return(all.ToArray());
}
public void HandleObject(int id, cAABB bounds)
{
int topLeftIndex = GetCellIndexAtWorldPos(bounds.topLeft);
int topRightIndex = GetCellIndexAtWorldPos(bounds.getTopRight());
int bottomRightIndex = GetCellIndexAtWorldPos(bounds.rightBottom);
int bottomLeftIndex = GetCellIndexAtWorldPos(bounds.getLeftBottom());
if (topLeftIndex == bottomRightIndex)
{
grid[topLeftIndex].add(id);
}
else
{
if (topLeftIndex == bottomLeftIndex || bottomLeftIndex == bottomRightIndex)
{
grid[topLeftIndex].add(id);
grid[bottomRightIndex].add(id);
}
else
{
grid[topLeftIndex].add(id);
grid[topRightIndex].add(id);
grid[bottomRightIndex].add(id);
grid[bottomLeftIndex].add(id);
}
}
}
