# -*- coding: cp1252 -*-
import os, sys, pygame
pygame.init()
pygame.mixer.init()
from time import sleep

# RANDOM settings
#size = width, height = 700, 700
speed = [2, 2]
black = 0, 0, 0

## Assignments
SP = 1

screen = pygame.display.set_mode((700, 700))

background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((250, 250, 250))

# SOUND LOADING
def load_sound(name):
    class NoneSound:
        def play(self): pass
    if not pygame.mixer or not pygame.mixer.get_init():
        return NoneSound()
    fullname = os.path.join('sound', name)
    try:
        sound = pygame.mixer.Sound(fullname)
    except pygame.error, message:
            print 'cannot find\load sound: ', fullname
            raise SystemExit, message
    return sound    

# IMAGE LOADING
def load_ball(name, colorkey=None):
    fullname = os.path.join('image', name)
    try:
        image = pygame.image.load(fullname)
    except pygame.error, message:
        print 'Cannot load image:', name
        raise SystemExit, message
    image = image.convert()
    if colorkey is not None:
        if colorkey is -1:
            colorkey = image.get_at((0,0))
        image.set_colorkey(colorkey)#RLEACCEL
    return image, image.get_rect()

# Classes
class crosshair(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image, self.rect = load_ball('crosshair.gif', -1)
        self.firing = 0

    def update(self):
        pos = pygame.mouse.get_pos()
        self.rect.midtop = pos
        if self.firing:
            self.rect.move_ip(5, 10)
        
    def fire(self, target):
        if not self.firing:
            self.firing = 1
            hitbox = self.rect.inflate(-5, -5)
            return hitbox.colliderect(target.rect)

    def unfire(self):
        self.firing = 0
        sleep(0.26)
        load_sound('cock.wav')

class ball(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image, self.rect = load_ball('ball.bmp', -1)
        screen = pygame.display.get_surface()
        self.area = screen.get_rect()
        self.rect.topleft = 10, 10
        self.move = 9
        self.hit = 0

    def update(self):
        if self.hit:
            self._hit()
        else:
            self._walk()
            self.image = load_ball('ball.bmp')

    def _walk(self):
        newpos = self.rect.move((self.move, 0))
        if self.rect.left < self.area.left or \
           self.rect.right > self.area.right: 	
            self.move = -self.move 	
            newpos = self.rect.move((self.move, 0))
##        if not self.area.contains(newpos):
##            if self.rect.left < self.area.left or \
##                       self.rect.right > self.area.right:
##                    self.move = -self.move
##                    newpos = self.rect.move((self.move, 0))
##            if self.rect.top < self.area.top or \
##                       self.rect.bottom > self.area.bottom:
##                    self.move = -self.move
##        self.rect = newpos

    def _hit(self):
        if self.hit:
            self.image = load_ball('BS1.gif')
            sleep(0.25)
            self.image = load_ball('BS4.gif')

    def punched(self):
        if not self.hit:
            self.hit = 1
            self.original = self.image

allsprites = pygame.sprite.RenderPlain((crosshair(), ball()))

def ControllerTick():
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            load_sound('gameover.wav')
            sleep(1.2)
            sys.exit()
            SP = 0
        elif event.type == pygame.MOUSEBUTTONDOWN:
            load_sound('M3_Fire.wav')
            #FIRE_sound.play()
            if crosshair.fire(crosshair(), ball()):
                load_sound('bodysplat.wav')
                #Bsplatter_sound.play()
                ball.punched(ball())
        elif event.type == pygame.MOUSEBUTTONUP:
            crosshair.unfire(crosshair())

def ViewTick():
    PS = pygame.Surface
    allsprites.update()
    screen.blit(background, (0, 0))
    screen.draw(allsprites)     <-- changed
    pygame.display.flip()


def main():
    pygame.init()
    #screen = pygame.display.set_mode((700, 700))
    pygame.display.set_caption('BALL')
    pygame.mouse.set_visible(0)

##    background = pygame.Surface(screen.get_size())
##    background = background.convert()
##    background.fill((250, 250, 250))

    if pygame.font:
        font = pygame.font.Font('4yeostamp.ttf', 40)
        text = font.render("Made by lillEkU", 1, (10, 10, 10))
        TP = text.get_rect()
        background.blit(text, TP)                 

    #screen.blit(background, (0, 0))
    #pygame.display.flip()
    B = ball()
    CH = crosshair()
    #allsprites = pygame.sprite.RenderPlain((crosshair(), ball()))
    clock = pygame.time.Clock()
    SP = 1
    while (SP==1):
        clock.tick(60)
        if ControllerTick() == 0:
            return
        ViewTick()

#if __name__ == '__main__': main()
if SP == 1:
    main()
------------------------------------------------------
END OF CODE
------------------------------------------------------

ERROR MESSAGE:

Traceback (most recent call last):
  File "H:\programmer-python\SICKball\ball.py", line 176, in ?
    main()
  File "H:\programmer-python\SICKball\ball.py", line 172, in main
    ViewTick()
  File "H:\programmer-python\SICKball\ball.py", line 141, in ViewTick
    allsprites.draw(PS,screen)
TypeError: draw() takes exactly 2 arguments (3 given)

----------------------------------------------------------
PS = pygame.Surface

if i write : allsprites.draw(screen)
i get a message saying that "the first argument must be pygame.Surface"