auto save

.py

+import pygame
+import sys240 120
+from pygame.locals import *
+
+pygame.init()
+size = width,height = 600,400
+bg = (255,255,255)
+speed = [5,0]
+fullscreen = False # 默认不全屏
+# 创建指定大小的窗口 Surface，窗口可改变
+screen = pygame.display.set_mode(size,RESIZABLE)
+pygame.display.set_caption("初次见面，请大家多多关照")
+
+# 设置放大缩小的比率
+ratio = 1.0
+dog = pygame.image.load("dog.png")
+dog_t = dog # 方便观察只操作 dog_t
+
+# roate 逆时针旋转角度
+dog_right = pygame.transform.rotate(dog,90)
+dog_top = pygame.transform.rotate(dog,180)
+dog_left = pygame.transform.rotate(dog,270)
+dog_bottom = dog
+dog = dog_top # 初始状态从上边界开始
+
+# 获得图像的位置矩形
+dog_rect = dog.get_rect()
+position = dog_t_rect = dog_rect
+
+# 设置为死循环，确保窗口一直显示
+while True:
+    # 遍历所有的事件
+    for event in pygame.event.get():
+        # 如果单击关闭窗口，则退出
+        if event.type == pygame.QUIT:
+            sys.exit()
+        # 根据键盘操作来控制小狗的移动
+        if event.type == KEYDOWN:
+            # 全屏（F11）
+            if event.key == K_F11:
+                fullscreen = not fullscreen
+                if fullscreen:
+                    #list_modes()可以自动获取电脑屏幕所支持的显示大小，默认由大到小排列成一个列表
+                    # 所以取第一个即是全屏
+                    size = width, height =  pygame.display.list_modes()[0]
+                    screen = pygame.display.set_mode(size,FULLSCREEN | HWSURFACE)
+                else:
+                    size = width,height = 600,400
+                    screen = pygame.display.set_mode(size)
+            # 放大缩小，空格键恢复原始尺寸
+            if event.key == K_EQUALS or event.key == K_MINUS or event.key == K_SPACE:
+                # 最大只能放大一倍，最小缩小 50%
+                if event.key == K_EQUALS and ratio < 2:
+                    ratio += 0.1
+                if event.key == K_MINUS and ratio > 0.5:
+                    ratio -= 0.1
+                if event.key == K_SPACE:
+                    ratio = 1.0
+                dog = pygame.transform.smoothscale(dog_t,\
+                                             (int(dog_t_rect.width*ratio),\
+                                             int(dog_t_rect.height*ratio)))
+        # 用户手动调整窗口尺寸
+        if event.type == VIDEORESIZE:
+            size = event.size
+            width, height = size
+            screen = pygame.display.set_mode(size, RESIZABLE)
+
+    # 移动图像
+    #position.move(x,y) 返回由给定偏移量移动的新矩形。x和y参数可以是任何整数值，正数或负数。
+    position = position.move(speed)
+
+    if position.right >width:
+        dog = dog_right
+        position = dog_rect = dog.get_rect()
+        # 这里重新获取了 dog，即 left 和 top 又初始了0
+        print(position.left,position.right,position.top,position.bottom)
+        # 因此这里需要重新更新下 left 保证沿右边界运行
+        position.left = width - dog_rect.width
+        speed = [0,2]
+    if position.bottom >height:
+        dog = dog_bottom
+        position = dog_rect = dog.get_rect()
+        position.left = width - dog_rect.width
+        position.top = height - dog_rect.height
+        speed = [-2,0]
+    if position.left <0:
+        dog = dog_left
+        position = dog_rect = dog.get_rect()
+        position.top = height - dog_rect.height
+        speed = [0,-2]
+    if position.top <0:
+        dog = dog_top
+        position = dog_rect = dog.get_rect()
+        speed = [2,0]
+
+    # 填充背景
+    screen.fill(bg)
+    # 更新图像
+    screen.blit(dog,position)
+    # 更新界面
+    pygame.display.flip()
+    # 延迟 5 毫秒
+    pygame.time.delay(5)
+###原文链接：https://blog.csdn.net/nanhuaibeian/article/details/99091384
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snake.py

@@ -8,18 +8,23 @@ pygame.init()
 screen = pygame.display.set_mode((660, 480))
 
 # 背景
-background = pygame.image.load('bg.png')
+bg = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+FPS=pygame.time.Clock()
+
+x=0
+y=0
 
 while True:
     for event in pygame.event.get():
+        print(event)
         if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
             exit()
+        if event.type ==locals.KEYDOWN:
     # 将背景图画上去
-    screen.blit(background, (0, 0))
+    screen.blit(bg, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
     # 将贪吃蛇的身体画上去
@@ -29,4 +34,5 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPS.tick(3)
\ No newline at end of file