:mod:`util <util>`---general utility functions
==============================================

.. module:: util

.. toctree::
   :maxdepth: 2

   util-cb
   util-grid

Abstract
--------

.. autofunction:: engine.util.dd
.. autofunction:: engine.util.ir
.. autofunction:: engine.util.sum_pos
.. autofunction:: engine.util.pos_in_rect
.. autofunction:: engine.util.normalise_colour
.. autofunction:: engine.util.call_in_nest
.. autofunction:: engine.util.bezier
.. autoclass:: engine.util.Singleton
.. autoclass:: engine.util.OwnError
.. autoclass:: engine.util.Owned

Random
------

.. autofunction:: engine.util.randsgn
.. autofunction:: engine.util.rand0
.. autofunction:: engine.util.weighted_rand

Graphics
--------

.. autofunction:: engine.util.align_rect
.. autofunction:: engine.util.position_sfc
.. autofunction:: engine.util.convert_sfc
.. autofunction:: engine.util.combine_drawn
.. autofunction:: engine.util.blank_sfc