pygame动态背景之熊熊大火燃烧场景类

你就像那冬天里的一把火，熊熊火焰燃烧了我的心窝。以下是部分代码预览:

"""动态背景之熊熊大火燃烧场景,本程序的类是用来做动态背景的"""

import time
import pygame
from pygame.locals import *

class Dynamic_background(pygame.sprite.Sprite):
    """动态背景类,把一系列帧图像做为背景不断地显示"""
    
    def __init__(self,images,size):
        """images:已转换成surface的对象列表,size:屏幕尺寸"""
        pygame.sprite.Sprite.__init__(self)
        self.screen_size = size
        self.images = images                   # images是surface列表
        self.image_index = 0                   # 切换造型从0开始
        self.images_amount = len(images)       # 造型数量
        self.image = self.images[0]            # 当前待渲染的图像
        self.rect = self.image.get_rect()      # 获取图像的矩形对象
 
def update(self):
        """超时更换图像"""
        if time.time() - self.start_time > self.interval:
            self.image_index += 1
            self.image_index = self.image_index % self.images_amount

def main():
    """主要的调用函数"""
    
    width,height = 960,720
    pygame.init()
    screen = pygame.display.set_mode((width,height))
    pygame.display.set_caption("pygame动态背景之熊熊大火燃烧场景,作者:李兴球")
    
    bgs = Dynamic_background(images,(width,height))
    running = True
    while running :
        event = pygame.event.poll()
        if event.type == QUIT:running = False
        bgs.update()
        pygame.display.update()

    pygame.quit()
       
if __name__ == "__main__":

    main()       
        

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