Environment

class Pacman(pygame.sprite.sprite):
  def __init__(self, x, y):

        self.image = pygame.Surface([1200, 600])
        self.image.fill(WHITE)
 
        # Make our top-left corner the passed-in location.
        self.rect = self.image.get_rect()
        self.rect.y = ypos
        self.rect.x = xpos
        
  def detectWalls(self, walls):
        #left and right
        self.rect.x += self.velocityx
        
        # hit a wall?
        barrier_hit_list = pygame.sprite.spritecollide(self, walls, False)
        for block in block_hit_list:
            # moving right, set right side to left side of wall
            if self.velocityx > 0:
                self.rect.right = block.rect.left
            else:
                # moving left, vice versa.
                self.rect.left = block.rect.right
                
        #up and down
        self.rect.y += self.velocityy

        # hit a wall?
        barrier_hit_list = pygame.sprite.spritecollide(self, walls, False)
        for block in block_hit_list:

            # Reset our position based on the top/bottom of the object.
            if self.velocityy > 0:
                self.rect.bottom = block.rect.top
            else:
                self.rect.top = block.rect.bottom
 class Wall(pygame.sprite.Sprite):
    def __init__(self, wallx, wally, width, height):

        self.image = pygame.Surface([width, height])
        self.image.fill(50, 50, 255) #blue
 
        # top-left corner is passed-in location.
        #self.rect = self.image.get_rect()
        #self.rect.y = ypos
        #self.rect.x = xpos
 class Room(object):

    wallList = None     
    enemySprites = None
 
    def __init__(self):
        self.wallList = pygame.sprite.Group()
        self.enemySprites = pygame.sprite.Group()
 class Room1(Room):

    def __init__(self):

        # Will Make the walls once decided. 
 
        # a list of uncreated walls. Each is in the form [x, y, width, height]
        #walls = [[],
        #         [],
        #        [],
        #         [],
        #         [],
        #         [],
        #         []
        #        ]
 
        # Loop through the list. 
            #wall = Wall( ,  ,  , , , , , ,)
            #self.wallList.add(wall)
 class Room2(Room):

    def __init__(self):

        # Will Make the walls once decided. 
 
        # a list of uncreated walls. Each is in the form [x, y, width, height]
        #walls = [[],
        #         [],
        #        [],
        #         [],
        #         [],
        #         [],
        #         []
        #        ]
 
        # Loop through the list. 
            #wall = Wall( ,  ,  , , , , , ,)
            #self.wallList.add(wall)
def main():
 
    pygame.init()
 
    screen = pygame.display.set_mode([1200, 600])
 
    pygame.display.set_caption('Hackspace Pacman')
 
    player = Player(50, 50)
    movingsprites = pygame.sprite.Group()
    movingsprites.add(player)
 
    rooms = []
 
    room = Room1()
    rooms.append(room)
 
    room = Room2()
    rooms.append(room)  
    current_room_number = 0
    current_room = rooms[current_room_number]
    
    clock = pygame.time.Clock()
 
    ##stop = False
 
    while stop==False:
    
    ##movement stuff
    
    screen.fill(0,0,0)
 
    movingsprites.draw(screen)
    current_room.wallList.draw(screen)
 
    pygame.display.flip() ##updates the entire Surface on the display regardless if any argument is passed
 
    clock.tick(50)
 
    pygame.quit()