目錄
- 一、最簡單的切換功能
- 二、實現動態切屏功能
- 三、隨機效果實現
- 四、效果展現
- 五、第二個版本
- （一）修改了核心代碼
- （二）完整代碼
- （三）另一種效果
- 六、小結
一、最簡單的切換功能
（一）源碼
import sys, pygame
import os
import random
pygame.init() # 初始化pygame類
screen = pygame.display.set_mode((600, 600)) # 設置窗口大小
pygame.display.set_caption('美麗的屏保') # 設置窗口標題
tick = pygame.time.Clock()
fps = 10 # 設置刷新率，數字越大刷新率越高
fcclock = pygame.time.Clock()
bglist = []
flag = 0
runimage = None
nextimage = None
def init_image():
path = './image/'
files = []
dirs = os.listdir(path)
for diretion in dirs:
files.append(path + diretion)
for file in files:
picture = pygame.transform.scale(pygame.image.load(file), (600, 600))
dSurface = picture
# dSurface = pygame.image.load(file).convert()
bglist.append(dSurface)
def reset():
global flag,runimage,nextimage
flag = 0
if nextimage is None:
nextimage = random.choice(bglist)
if runimage is None:
runimage = random.choice(bglist)
else:
runimage = nextimage
nextimage = random.choice(bglist)
def run():
global flag,runimage
reset()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT or event.type == pygame.K_F1:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == pygame.K_SPACE:
reset()
if event.type == pygame.MOUSEBUTTONDOWN:
reset()
screen.fill((255, 255, 255)) # 設置背景為白色
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (0, 0))
fcclock.tick(fps)
pygame.display.flip() # 刷新窗口
# time.sleep(10)
if __name__ == '__main__':
init_image()
run()
（二）效果
（三）解析
實際就是使用了runimage和nextimage保存兩個圖片，然后先黏貼nextimage，再黏貼runimage，讓runimage顯示在最前端。
并通過監聽鼠標和鍵盤操作，每點擊一次，切換一次頁面。
并調用reset函數
def reset():
global flag,runimage,nextimage
flag = 0
if nextimage is None:
nextimage = random.choice(bglist)
if runimage is None:
runimage = random.choice(bglist)
else:
runimage = nextimage
nextimage = random.choice(bglist)
二、實現動態切屏功能
（一）向左切換
import sys, pygame
import os
import random
pygame.init() # 初始化pygame類
WIDTH = 600
HEIGHT = 600
screen = pygame.display.set_mode((WIDTH, HEIGHT)) # 設置窗口大小
pygame.display.set_caption('美麗的屏保') # 設置窗口標題
tick = pygame.time.Clock()
fps = 60 # 設置刷新率，數字越大刷新率越高
fcclock = pygame.time.Clock()
bglist = []
flag = 0
runimage = None
nextimage = None
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
step = 10
def init_image():
path = './image/'
files = []
dirs = os.listdir(path)
for diretion in dirs:
files.append(path + diretion)
for file in files:
picture = pygame.transform.scale(pygame.image.load(file), (WIDTH, HEIGHT))
dSurface = picture
# dSurface = pygame.image.load(file).convert()
bglist.append(dSurface)
def reset():
global flag,runimage,nextimage,flag2,i,j
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
if nextimage is None:
nextimage = random.choice(bglist)
if runimage is None:
runimage = random.choice(bglist)
else:
runimage = nextimage
nextimage = random.choice(bglist)
def run():
global flag,runimage,flag2,nextimage,i,j
reset()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT or event.type == pygame.K_F1:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == pygame.K_SPACE:
if flag is False:# FALSE沒有切屏 TRUE 切屏
flag = True
flag2 = False
# if event.type == pygame.MOUSEBUTTONDOWN:
# reset()
screen.fill((255, 255, 255)) # 設置背景為白色
if flag:
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (i, j))
i -= step
if i = -WIDTH:
flag2 = True
else:
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (0, 0))
if flag2:
reset()
fcclock.tick(fps)
pygame.display.flip() # 刷新窗口
# time.sleep(10)
if __name__ == '__main__':
init_image()
run()
（二）向左切換效果
三、隨機效果實現
實現上下左右效果
import sys, pygame
import os
import random
pygame.init() # 初始化pygame類
WIDTH = 600
HEIGHT = 600
screen = pygame.display.set_mode((WIDTH, HEIGHT)) # 設置窗口大小
pygame.display.set_caption('美麗的屏保') # 設置窗口標題
tick = pygame.time.Clock()
fps = 60 # 設置刷新率，數字越大刷新率越高
fcclock = pygame.time.Clock()
bglist = []
flag = 0
runimage = None
nextimage = None
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
step = 10
choose = 0
def init_image():
path = './image/'
files = []
dirs = os.listdir(path)
for diretion in dirs:
files.append(path + diretion)
for file in files:
picture = pygame.transform.scale(pygame.image.load(file), (WIDTH, HEIGHT))
dSurface = picture
# dSurface = pygame.image.load(file).convert()
bglist.append(dSurface)
def reset():
global flag,runimage,nextimage,flag2,i,j,choose
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
choose = random.randint(0,3)
if nextimage is None:
nextimage = random.choice(bglist)
if runimage is None:
runimage = random.choice(bglist)
else:
runimage = nextimage
nextimage = random.choice(bglist)
def run():
global flag,runimage,flag2,nextimage,i,j,choose
reset()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT or event.type == pygame.K_F1:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == pygame.K_SPACE:
if flag is False:# FALSE沒有切屏 TRUE 切屏
flag = True
flag2 = False
screen.fill((255, 255, 255)) # 設置背景為白色
if flag:
screen.blit(nextimage, (0,0))
print(i+WIDTH,j+HEIGHT)
screen.blit(runimage, (i, j))
if choose==0:
i -= step
if i = -WIDTH:
flag2 = True
elif choose==1:
i += step
if i >= WIDTH:
flag2 = True
elif choose==2:
j -= step
if j = -HEIGHT:
flag2 = True
elif choose==3:
j += step
if j >= HEIGHT:
flag2 = True
else:
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (0, 0))
if flag2:
reset()
# print(choose)
fcclock.tick(fps)
pygame.display.flip() # 刷新窗口
# time.sleep(10)
if __name__ == '__main__':
init_image()
run()
四、效果展現
五、第二個版本
（一）修改了核心代碼
if flag:
if choose==0:
i -= step
screen.blit(nextimage, (i+WIDTH, 0))
if i = -WIDTH:
flag2 = True
elif choose==1:
screen.blit(nextimage, (i-WIDTH, 0))
i += step
if i >= WIDTH:
flag2 = True
elif choose==2:
screen.blit(nextimage, (0, j+HEIGHT))
j -= step
if j = -HEIGHT:
flag2 = True
elif choose==3:
screen.blit(nextimage, (0, j-HEIGHT))
j += step
if j >= HEIGHT:
flag2 = True
screen.blit(runimage, (i, j))
else:
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (0, 0))
（二）完整代碼
import sys, pygame
import os
import random
pygame.init() # 初始化pygame類
WIDTH = 600
HEIGHT = 600
screen = pygame.display.set_mode((WIDTH, HEIGHT)) # 設置窗口大小
pygame.display.set_caption('美麗的屏保') # 設置窗口標題
tick = pygame.time.Clock()
fps = 60 # 設置刷新率，數字越大刷新率越高
fcclock = pygame.time.Clock()
bglist = []
flag = 0
runimage = None
nextimage = None
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
step = 10
choose = 0
def init_image():
path = './image/'
files = []
dirs = os.listdir(path)
for diretion in dirs:
files.append(path + diretion)
for file in files:
picture = pygame.transform.scale(pygame.image.load(file), (WIDTH, HEIGHT))
dSurface = picture
# dSurface = pygame.image.load(file).convert()
bglist.append(dSurface)
def reset():
global flag,runimage,nextimage,flag2,i,j,choose
flag = False # FALSE沒有切屏 TRUE 切屏
flag2 = False
i = 0
j = 0
choose = random.randint(0,3)
if nextimage is None:
nextimage = random.choice(bglist)
if runimage is None:
runimage = random.choice(bglist)
else:
runimage = nextimage
nextimage = random.choice(bglist)
def run():
global flag,runimage,flag2,nextimage,i,j,choose
reset()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT or event.type == pygame.K_F1:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == pygame.K_SPACE:
if flag is False:# FALSE沒有切屏 TRUE 切屏
flag = True
flag2 = False
screen.fill((255, 255, 255)) # 設置背景為白色
if flag:
if choose==0:
i -= step
screen.blit(nextimage, (i+WIDTH, 0))
if i = -WIDTH:
flag2 = True
elif choose==1:
screen.blit(nextimage, (i-WIDTH, 0))
i += step
if i >= WIDTH:
flag2 = True
elif choose==2:
screen.blit(nextimage, (0, j+HEIGHT))
j -= step
if j = -HEIGHT:
flag2 = True
elif choose==3:
screen.blit(nextimage, (0, j-HEIGHT))
j += step
if j >= HEIGHT:
flag2 = True
screen.blit(runimage, (i, j))
else:
screen.blit(nextimage, (0, 0))
screen.blit(runimage, (0, 0))
if flag2:
reset()
# print(choose)
fcclock.tick(fps)
pygame.display.flip() # 刷新窗口
# time.sleep(10)
if __name__ == '__main__':
init_image()
run()
（三）另一種效果
六、小結
Ok，V1和V2版本，兩個版本，任君選擇，比較簡單，大家將就著看看啊。后面會有修訂和更多有趣的案例，歡迎關注，感謝支持！
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