def __init__(self): # 0 additional arguments, self is self-reference
pygame.init()
# Renderer, handles rendering functions on behalf of the game
rendererOptions = type('', (), {})()
rendererOptions.width = 800
rendererOptions.height = 600
self.gameRenderer = Renderer(rendererOptions)
# Renderer before GameState, since Spritesheet depends on display.set_mode
# Game state object, tracks state of game and all objects in game
self.gameState = GameState() # Example of tightly coupled code.
# TODO: Refactor coupled code, separate dependencies
self.gameRenderer.game = self.gameState
# Internal variables to handle frame ticks/FPS
self.clock = pygame.time.Clock()
self.currentTime = 0
# Event Handler dictionaries
self.keydownHandlers = defaultdict(list)
self.keyupHandlers = defaultdict(list)
