diff --git a/.idea/.gitignore b/.idea/.gitignore
index 4607abd..3e37603 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -1,8 +1,125 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/../../../:\ai-project\.idea/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/
+# Editors
+.vscode/
+.idea/
+
+# Vagrant
+.vagrant/
+
+# Mac/OSX
+.DS_Store
+
+# Windows
+Thumbs.db
+
+# Source for the following rules: https://raw.githubusercontent.com/github/gitignore/master/Python.gitignore
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
\ No newline at end of file
diff --git a/survival/textureatlas.py b/survival/textureatlas.py
new file mode 100644
index 0000000..4628c60
--- /dev/null
+++ b/survival/textureatlas.py
@@ -0,0 +1,24 @@
+import pygame
+
+
+class TextureAtlas(object):
+    def __init__(self, filename):
+        self.atlas = pygame.image.load(filename).convert()
+
+    def image_at(self, rectangle, color_key=None):
+        rect = pygame.Rect(rectangle)
+        image = pygame.Surface(rect.size).convert()
+        image.blit(self.atlas, (0, 0), rect)
+        if color_key is not None:
+            if color_key is -1:
+                color_key = image.get_at((0, 0))
+            image.set_colorkey(color_key, pygame.RLEACCEL)
+        return image
+
+    def images_at(self, rects, color_key=None):
+        return [self.image_at(rect, color_key) for rect in rects]
+
+    def load_row(self, rect, image_count, color_key=None):
+        images = [(rect[0] + rect[2] * x, rect[1], rect[2], rect[3])
+                  for x in range(image_count)]
+        return self.images_at(images, color_key)