save project

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
 FPSCLOCK=pygame.time.Clock()
 
 # 背景
@@ -14,11 +14,17 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
+apple_x=360
+apple_y=300
 
 setheading="right"
+snake_head=right
 
 while True:
     for event in pygame.event.get():
@@ -28,12 +34,16 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_RIGHT and setheading !="left":
                 setheading="right"
+                snake_head=right
             if event.key==locals.K_LEFT and setheading !="right":
                 setheading="left"
+                snake_head=left
             if event.key==locals.K_UP and setheading !="down":
                 setheading="up"
+                snake_head=up
             if event.key==locals.K_DOWN and setheading !="up":
                 setheading="down"
+                snake_head=down
     if setheading=="right":
         x=x+30
     elif setheading=="left":
@@ -42,21 +52,22 @@ while True:
         y=y-30
     else:
         y=y+30
-    #x=x+30  #x+=30
     position.append((x,y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, position[-1])
+    screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
-    # screen.blit(body, (210, 120))
-    # screen.blit(body, (180, 120))
-    # screen.blit(body, (180, 90))
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file

snake2.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+FPSCLOCK=pygame.time.Clock()
+
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+
+setheading="right"
+snake_head=right
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                x=x+30
+                snake_head=right
+                position.append((x,y))
+                position.pop(0)
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                x=x-30
+                snake_head=left
+                position.append((x,y))
+                position.pop(0)
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up"
+                y=y-30
+                snake_head=up
+                position.append((x,y))
+                position.pop(0)
+            if event.key==locals.K_DOWN and setheading !="up":
+                setheading="down"
+                y=y+30
+                snake_head=down
+                position.append((x,y))
+                position.pop(0)
+    # if setheading=="right":
+    #     x=x+30
+    # elif setheading=="left":
+    #     x=x-30
+    # elif setheading=="up":
+    #     y=y-30
+    # else:
+    #     y=y+30
+    # position.append((x,y))
+    # position.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(snake_head, position[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(5)
\ No newline at end of file

作业

+++ "b/\344\275\234\344\270\232"