class GameWindow:
def __init__(self):
self._window = None
self._graphics = None
self._sprite = None
self._running = True
self._renderer = SDL_Renderer()
self._player = None
self._input = Input()
def gameLoop(self):
sdl2.ext.init()
self._window = sdl2.ext.Window("Game Window", size=(800, 600))
self._graphics = Graphics(self._window)
self._player = Player(self._graphics, 100, 100)
self._window.show()
LAST_UPDATE_TIME = 0
while self._running:
self._input.beginNewFrame()
events = sdl2.ext.get_events()
for event in events:
if event.type == SDL_KEYDOWN:
if event.key.repeat == 0:
self._input.keyDownEvent(event)
elif event.type == SDL_KEYUP:
self._input.keyUpEvent(event)
elif event.type == sdl2.SDL_QUIT:
self._running = False
break
if self._input.wasKeyPressed(SDL_SCANCODE_LEFT):
self._player.moveLeft()
elif self._input.wasKeyPressed(SDL_SCANCODE_RIGHT):
self._player.moveRight()
if not self._input.isKeyHeld(SDL_SCANCODE_LEFT) and not self._input.isKeyHeld(SDL_SCANCODE_RIGHT):
self._player.stopMoving()
CURRENT_TIME_MS = sdl2.SDL_GetTicks()
ELAPSED_TIME_MS = CURRENT_TIME_MS - LAST_UPDATE_TIME
self.update(min([ELAPSED_TIME_MS, MAX_FRAME_TIME]))
LAST_UPDATE_TIME = CURRENT_TIME_MS
self.draw()
return 0
def draw(self):
self._graphics.clear()
self._player.draw()
self._graphics.flip()
def update(self, elapsed_time):
self._player.update(elapsed_time)
def start(self):
sys.exit(self.gameLoop())
