save project

snake.py

@@ -5,12 +5,18 @@ x,y=150,180
 position=[(90,150),(90,180),(120,180),(x,y)]
 position=[(90,150),(90,180),(120,180),(x,y)]
 
 
 
 
+  
 # 载入图片
 # 载入图片
 bg = pygame.image.load('bg.png')
 bg = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 apple = pygame.image.load('apple.png')
 apple = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
+setheading="right"
+st=right
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 # 创建一个窗口
 # 创建一个窗口
@@ -20,6 +26,27 @@ while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             exit()
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and setheading != "down":
+                setheading="up"
+                st=right
+            if event.key == locals.K_DOWN and setheading !="up":
+                setheading="down"
+                st=down
+            if event.key == locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                st=right
+
+            if event.key == locals.K_LEFT and setheading !="right":
+                setheading="left"
+                st=right
+    if  setheading=="left":
+        x-=30
+    elif  setheading=="up":
+        y-=30
+    elif setheading=="down":
+        y+=30
+    else:
         x+=30
         x+=30
         
         
     position.append((x,y))
     position.append((x,y))
@@ -29,7 +56,7 @@ while True:
     srceen.blit(bg,(0,0))
     srceen.blit(bg,(0,0))
     srceen.blit(apple,(540,420))
     srceen.blit(apple,(540,420))
 
 
-    srceen.blit(right,position[-1])
+    srceen.blit(st,position[-1])
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         srceen.blit(body,position[i])
         srceen.blit(body,position[i])