import pygame

class Jatekos(pygame.sprite.Sprite):
	def __init__(self, *groups):
		super(Jatekos, self).__init__(*groups)		
		self.image = pygame.image.load('jatekos.png')
		self.rect = pygame.rect.Rect((320, 240), self.image.get_size())
	
	def update(self, dt):
		key = pygame.key.get_pressed()
		if key[pygame.K_LEFT]:
			self.rect.x -= 300 * dt
		if key[pygame.K_RIGHT]:
			self.rect.x += 300 * dt
		if key[pygame.K_UP]:
			self.rect.y -= 300 * dt
		if key[pygame.K_DOWN]:
			self.rect.y += 300 * dt

class Jatek(object):
	def main(self, kepernyo):
		clock = pygame.time.Clock()
		
		background = pygame.image.load('hatter.png')
		sprites = pygame.sprite.Group()
		self.player = Jatekos(sprites)
		
		while True:
			dt = clock.tick(30)
			
			for event in pygame.event.get():
				if event.type == pygame.QUIT:
					return
				if event.type == pygame.KEYDOWN and \
						event.key == pygame.K_ESCAPE:
					return
			sprites.update(dt / 1000.)
			# ~ kepernyo.fill((200, 200, 200))
			kepernyo.blit(background, (0, 0))
			sprites.draw(kepernyo)
			pygame.display.flip()

if __name__ == '__main__':
	pygame.init()
	kepernyo = pygame.display.set_mode((640, 480))
	Jatek().main(kepernyo)