import pygame, random, sys, time
from pygame.locals import *
from MyLibrary import *


global screen, timer

pygame.init()
screen = pygame.display.set_mode((640,480))
pygame.display.set_caption("Coins!")
timer = pygame.time.Clock()
nncoin = False


class Coin(MySprite):
    def off_screen_check(self):
        if self.Y > 480:
            pygame.kill(self)




#create groups
coin_group = pygame.sprite.Group()
pointer_group = pygame.sprite.Group()
collected_group = pygame.sprite.Group()

pointer = MySprite()
pointer.load("pointer.png", 32, 32, 1)
pointer_group.add(pointer)

def create_coins(n):
    n = int(n)
    for i in range(n):
        coin = Coin()
        coin.load("coin1.png", 32, 32, 1)
        coin.position = random.randint(0,640),-64
        coin_group.add(coin)

def create_newcoin():
    bcoin = Coin()
    bcoin.load("coin1s.png", 32, 32, 1)
    bcoin.position = 0,0
    collected_group.add(bcoin)

def move_pointer():
    pointer_group.update(ticks, 15)
    for pointer in pointer_group:
        x,y = pygame.mouse.get_pos()
        pointer.position = x,y

def move_coins():
    coin_group.update(ticks, 30)
    for coin in coin_group:
        if coin.Y > 480:
            coin.velocity = Point(0,0)
            coin.kill()
        else:
            coin.velocity = Point(0,1)
            coin.Y += coin.velocity.y
    collected_group.update(ticks, 30)
    for coin in collected_group:
        if coin.Y > 480:
            coin.velocity = Point(0,0)
            coin.kill()
        else:
            coin.velocity = Point(0,1)
            coin.Y += coin.velocity.y

def check_collision():
    for coin in coin_group:
        if pygame.sprite.collide_rect(coin, pointer):
            create_newcoin()

            ##coin_group.remove(coin)









#main program begins
game_over = False
last_time = 0
pygame.mouse.set_visible(False)


#repeating loop
while True:
    timer.tick(30)
    ticks = pygame.time.get_ticks()

    #check keypresses
    for event in pygame.event.get():
        if event.type == QUIT:
            sys.exit("Exit")
    keys = pygame.key.get_pressed()
    if keys[K_ESCAPE]:
        sys.exit("Exit")


    if ticks > last_time + 1000:
        create_coins(1)
        last_time = ticks


    screen.fill((0,0,0))

    if not game_over:
        move_coins()
        move_pointer()
        if pygame.sprite.spritecollideany(pointer, coin_group):
            print_text(pygame.font.Font(None,16), 0, 0, "Collision!")
            check_collision()

    coin_group.draw(screen)
    collected_group.draw(screen)
    pointer_group.draw(screen)

    pygame.display.update()