jhsad

import pygame
import random
import sys
import time

WIDTH, HEIGHT = 600, 700
WHITE = (255, 255, 255)
BLUE = (0,100,200)
RAIN_DENSITY = 50
dropList = []

canvas = pygame.display.set_mode((WIDTH,HEIGHT))
background  = pygame.Surface((WIDTH,HEIGHT))
pygame.display.set_caption('Rain')
pygame.init()

def quitGame():
    pygame.quit()
    sys.exit(0)

class Drop():
    def __init__(self):
        pass

    def randomize(self):
        self.x = random.randint(0, WIDTH-2)
        self.y = random.randint(-700, -10)
        self.speed = random.randint(1, 2)

        return self.x, self.y, self.speed

    def getDropList(self):
        dropList.append([self.x, self.y, self.speed])
        return dropList

    def update(self, dropList):
        for d in dropList:
            d[1] += d[2]
            self.drop = (d[0], d[1], 2, 20)

            rain.show()

            if d[1] > HEIGHT:
                d[0], d[1], d[2] = rain.randomize()

    def show(self):
        pygame.draw.rect(canvas, BLUE, self.drop, 3)

rain = Drop()
for i in range(RAIN_DENSITY):
    rain.randomize()
    dropList = rain.getDropList()

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            quitGame()

    canvas.blit(background, (0,0))
    rain.update(dropList)
    pygame.display.flip()