1.包含相关文件

import sys
import pygame
import time as delay
import datetime
from pygame.locals import *

2.MySprite类

class MySprite(pygame.sprite.Sprite):
    def __init__(self, target):
        pygame.sprite.Sprite.__init__(self)
        self.master_image = None
        self.old_frame = -1
        self.frame = 0
        self.frame_width = 1
        self.frame_height = 1
        self.first_frame = 0
        self.last_frame = 0
        self.columns = 1
        self.last_time = 0

    def _getx(self):
        return self.rect.x

    def _setx(self, value):
        self.rect.x = value

    def _gety(self):
        return self.rect.y

    def _sety(self, value):
        self.rect.y = value

    def get_pos(self):
        return self.rect.topleft

    def set_pos(self, pos):
        self.rect.topleft = pos

    def load(self, filename, width, height, columns):
        self.master_image = pygame.image.load(filename).convert_alpha()
        self.frame_width = width
        self.frame_height = height
        self.rect = Rect(0,0,width,height)
        self.columns = columns
        rect = self.master_image.get_rect()
        self.last_frame = (rect.width//width) * (rect.height//height) - 1

    def update(self, current_time, rate=30):
        if current_time > self.last_time + rate:
            self.frame += 1
            if self.frame > self.last_frame:
                self.frame = self.first_frame
            self.last_time = current_time
            if self.frame != self.old_frame:
                frame_x = (self.frame % self.columns) * self.frame_width
                frame_y = (self.frame // self.columns) * self.frame_height
                rect = Rect(frame_x, frame_y, self.frame_width, self.frame_height)
                self.image = self.master_image.subsurface(rect)
                self.old_frame = self.frame

    def __str__(self):
        return str(self.frame)+","+str(self.first_frame)+","+ \
               str(self.last_frame)+","+str(self.frame_width) + "," + \
               str(self.frame_height)+","+str(self.columns)+","+ str(self.rect)

3.主函数部分

def print_text(font, x, y, text, color=(255,255,255)):
    imageText = font.render(text, True, color)
    screen.blit(imageText, (x,y))

pygame.init()
screen = pygame.display.set_mode((600,500))
pygame.display.set_caption("Sprite Animation Demo")
font = pygame.font.Font(None, 18)
framerate = pygame.time.Clock()

dragon = MySprite(screen)
dragon.load("brid.png", 141, 85, 4)
dragon.set_pos((0,100))

group = pygame.sprite.Group()
group.add(dragon)

while True:

    framerate.tick(30)
    ticks = pygame.time.get_ticks()

    for event in pygame.event.get():
        if event.type == QUIT:
            sys.exit()

    keys = pygame.key.get_pressed()

    if keys[K_ESCAPE]:
        sys.exit()

    screen.fill((0,0,100))
    group.update(ticks)
    group.draw(screen)

    print_text(font, 0, 0, "Sprite: "+str(dragon))

    pygame.display.update()

    delay.sleep(1.0/60)

4.使用到的图片

110233wfnvarbi3fbaxhjo.png

5.示例截图

捕获.PNG