save project

snake.py

@@ -3,7 +3,10 @@ from pygame import locals
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
-
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+fpsclock=pygame.time.Clock()
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 
 
@@ -15,18 +18,41 @@ body = pygame.image.load('body.png')
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
+        if event.type == locals.QUIT: 
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    # 将背景图画上去
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading!="left":
+                setheading="right"
+            if event.key==locals.K_LEFT and setheading!="right":
+                setheading="left"
+            if event.key==locals.K_UP and setheading!="down":
+                setheading="up" 
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading="down"
+        if setheading=="left":
+            x-=30
+        elif setheading=="right":
+            x+=30
+        elif setheading=="up":
+            y-=30
+        else:
+            y+=30               
+    position.append((x,y))
+    position.pop(0)
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(right, position[-1])
     # 将贪吃蛇的身体画上去
     # 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))
+    #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
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
+    #x+=30
+    fpsclock.tick(3)
+
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
\ No newline at end of file