private void UpdateCameraBoundaries()
{
TopLeftPosition = Vector2.Transform(new Vector2(0, 0), Matrix.Invert(transform));
TopRightPosition =
Vector2.Transform(new Vector2(viewPort.Width, 0), Matrix.Invert(transform));
BottomLeftPosition = Vector2.Transform(new Vector2(0, viewPort.Height), Matrix.Invert(transform));
BottomRightPosition =
Vector2.Transform(new Vector2(viewPort.Width, viewPort.Height), Matrix.Invert(transform));
_topLeft = CellSpacePartition.GetTopLeftPartition(TopLeftPosition);
_topRight = CellSpacePartition.GetTopRightPartition(TopRightPosition);
_bottomLeft = CellSpacePartition.GetBottomLeftPartition(BottomLeftPosition);
_bottomRight = CellSpacePartition.GetBottomRightPartition(BottomRightPosition);
}
public void UpdateDynamicCellPartition(GameTime gameTime)
{
if (EntityWithinBounds(CellSpacePartition.GetCenterPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetCenterPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetCenterPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetTopLeftPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetTopLeftPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetTopLeftPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetTopPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetTopPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetTopPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetTopRightPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetTopRightPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetTopRightPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetRightPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetRightPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetRightPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetLeftPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetLeftPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetLeftPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetBottomLeftPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetBottomLeftPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetBottomLeftPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetBottomPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetBottomPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetBottomPartition(Camera.Instance.center)].Update(gameTime);
}
if (EntityWithinBounds(CellSpacePartition.GetBottomRightPartition(Camera.Instance.center)))
{
AddCellToUpdate(CellSpacePartition.GetBottomRightPartition(Camera.Instance.center));
//cellSpacePartition.dynamicCells[CellSpacePartition.GetBottomRightPartition(Camera.Instance.center)].Update(gameTime);
}
for (int i = 0; i < _partitionsToUpdate.Count; i++)
{
cellSpacePartition.dynamicCells[_partitionsToUpdate[i]].Update(gameTime);
}
// clear the partitions after every update
_partitionsToUpdate.Clear();
}