save project

snake.py

@@ -6,16 +6,42 @@ background=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")
+left=pygame.image.load("left.png")
+up=pygame.image.load("up.png")
+down=pygame.image.load("down.png")
 # 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))
 x,y=240,120
 x,y=240,120
+setheading="right"
 position=[(180,90),(210,90),(210,120),(x,y)]
 position=[(180,90),(210,90),(210,120),(x,y)]
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 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:
             exit()
             exit()
-    x+=30
+        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+=30
+    if setheading=="left":
+        x-=30
+    if setheading=="up":
+        y-=30
+    if setheading=="down":
+        y+=30
+
    
    
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)