Pygame Sprites Dissapearing

时间:2017-04-17 21:36:30

标签: python python-2.7 pygame sprite

在我之前的question上,我遇到了精灵问题。所以我决定在绘制它们之前使用clear方法。它似乎有效,但是当精灵们到达屏幕的底部时,也就是当它们应该回到顶部时,它们消失了。只剩下9个中的2个。

在他们到达底部之前。

enter image description here

在他们到达底部并重置到顶部之后。


enter image description here

主文件

from mypackage.data_transform.g1 import my_func

raindrop.py(class)

#!/usr/bin/python
VERSION = "0.1"
import os, sys, raindrop
from os import path

try:
    import pygame
    from pygame.locals import *
except ImportError, err:
    print 'Could not load module %s' % (err)
    sys.exit(2)

# main variables
WIDTH, HEIGHT, FPS = 300, 300, 30


# initialize game
pygame.init()
screen = pygame.display.set_mode((WIDTH,HEIGHT))
pygame.display.set_caption("Rain and Rain")

# background
background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((40,44,52))

# blitting
screen.blit(background,(0,0))
pygame.display.flip()

# clock for FPS settings
clock = pygame.time.Clock()


def main():
    raindrops = pygame.sprite.Group()

    # a function to create new drops
    def newDrop():
        nd = raindrop.Raindrop()
        raindrops.add(nd)

    # creating 10 rain drops
    for x in range(0,9): newDrop()

    # variable for main loop
    running = True

    # event loop
    while running:
        clock.tick(FPS)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False


        screen.blit(background,(100,100))
        raindrops.clear(screen,background)
        raindrops.update()
        raindrops.draw(screen)
        pygame.display.flip()
    pygame.quit()

if __name__ == '__main__': main()

1 个答案:

答案 0 :(得分:1)

0,1,2,3,4
ab,b,Ge,Stas,sap
cd,,TT,,d3
,,,,ch99

问题是有些降雨量会超过if self.rect.y == HEIGHT: ,因为HEIGHT是范围[1,8]中的随机数,因此speedy的多个可能无法被{{{1}整除1}}。例如speedy2*HEIGHT从-HEIGHT = -300变为-293,-286,...,295,然后变为302,大于300,因此speedy = 7检查永远不会是真的,雨水会永远消失。

rect.y的简单更改将解决问题:

==