Doc update

Author: einarf

TODO.md

@@ -6,7 +6,6 @@ don't have a binary distribution for darwin.
 
 - Write documentation (readthedocs)
   - Pyrr / Math
-- EffectManagers
 - Properly verify all settings
 - Make EffectControllers
   - TrackSystemEffectController

docs/source/effects.rst

@@ -70,6 +70,18 @@ Remember that you can also create global resource directories for all
 the effects in your projects as well. This can be achieved by configuring
 resource finders in :doc:`settings`.
 
+Methods fetching resources can take additional parameters to override defaults.
+
+Example setting texture repeat and enable anisotropic filtering:
+
+.. code-block:: bash
+
+    self.get_texture("cube/texture.png",
+                     wrap_s=GL_REPEAT, wrap_t=GL_REPEAT,
+                     anisotropy=16)
+
+This will also automatically generate mipmaps for the texture.
+
 The Effect Module
 ^^^^^^^^^^^^^^^^^