import pygame
pygame.init()

class Pacman(pygame.sprite.Sprite):
    """ The class that creates Pacman """
    
    def __init__(self, posX, posY):
        """ Creates the creature """
        pygame.sprite.Sprite.__init__(self)
        self.imageMaster = pygame.image.load("data/pacman.gif").convert()
        self.image = self.imageMaster
        self.rect = self.image.get_rect()
        self.rect.center = (posX, posY)
        self.FacingDir = 0
        
    def Update(self):
        oldCenter = self.rect.center
        self.image = pygame.transform.rotate(self.imageMaster, self.FacingDir)
        self.rect = self.image.get_rect()
        self.rect.center = oldCenter
        
    def FaceUp(self):
        FacingDeg = 90
        
    def FaceDown(self):
        FacingDeg = 270
        
    def FaceLeft(self):
        FacingDeg = 180
        
    def FaceRight(self):
        FacingDeg = 0

def main():
    # set up the display
    screen = pygame.display.set_mode((390, 390))
    pygame.display.set_caption("Pacman clone")

    # set up the background
    background = pygame.Surface(screen.get_size())
    background.fill((0, 0, 0))

    hero = Pacman(100, 150)
    allSprites = pygame.sprite.Group(hero)

    # set up tha main loop
    keepGoing = True
    clock = pygame.time.Clock()
    pygame.mouse.set_visible(False)

    while keepGoing:
        clock.tick(30)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                keepGoing = False
                
            elif event.type == pygame.KEYDOWN:
                
                if event.key == pygame.K_LEFT:
                    hero.FaceLeft()
                
                elif event.key == pygame.K_RIGHT:
                    hero.FaceRight()
                    
                elif event.key == pygame.K_UP:
                    hero.FaceUp()
                    
                elif event.key == pygame.K_DOWN:
                    hero.FaceDown()

        allSprites.clear(screen, background)
        allSprites.update()
        allSprites.draw(screen)

        pygame.display.flip()

    pygame.mouse.set_visible(True)

if __name__ == "__main__":
    main()