save project

snake.py

@@ -6,8 +6,13 @@ backgrond=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')
+left=pygame.image.load('left.png')
+down=pygame.image.load('down.png')
 # 创建一个窗口
 # 创建一个窗口
 screen=pygame.display.set_mode((800,600))
 screen=pygame.display.set_mode((800,600))
+setheading="right"
+S_head=right
 x,y=90,0
 x,y=90,0
 FPSLOCK=pygame.time.Clock()
 FPSLOCK=pygame.time.Clock()
 position=[(0,0),(30,0),(60,0),(x,y)]
 position=[(0,0),(30,0),(60,0),(x,y)]
@@ -15,11 +20,31 @@ 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()
-    x+=30
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_RIGHT:
+                setheading="right"
+                S_head=right
+            if event.key==locals.K_LEFT:
+                setheading="left"
+                S_head=left
+            if event.key==locals.K_UP:
+                setheading="up"
+                S_head=up
+            if event.key==locals.K_DOWN:
+                setheading="down"
+                S_head=down
+    if setheading=='right':
+        x+=30
+    elif setheading=='left':
+        x-=30
+    elif setheading=='up':
+        y-=30
+    else:
+        y+=30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
     screen.blit(backgrond,(0,0))
     screen.blit(backgrond,(0,0))
-    screen.blit(right,(x,y))
+    screen.blit(S_head,(x,y))
     screen.blit(apple,(300,270))
     screen.blit(apple,(300,270))
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])