self._height = len(level_data['tiles'])
self._width = len(level_data['tiles'][0])
self._tiles = level_data['tiles']
self._height = len(level_data['tiles'])
self._width = len(level_data['tiles'][0])
self._tiles = level_data['tiles']
# Consistency check, so we can assume things are correct
# in the level renderer
for row, row_data in enumerate(self._tiles):
# Consistency check, so we can assume things are correct
# in the level renderer
for row, row_data in enumerate(self._tiles):