save project

snake.py

-import pygame
-from pygame import locals
-
-# 初始化pygame，为使用pygame做准备
-pygame.init()
-# 创建一个窗口
-screen =pygame.display.set_mode((660,480))
-bg=pygame.image.load("bg.png")
-apple=pygame.image.load("apple.png")
-body=pygame.image.load("body.png")
-down=pygame.image.load("down.png")
-while True:
-    for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            exit()
-    screen.blit(bg,(0,0))
-    screen.blit(apple,(270,240))
-    screen.blit(body,(240,90))
-    screen.blit(body,(240,60))
-    screen.blit(body,(240,30))
-    screen.blit(body,(210,30))
-    screen.blit(body,(180,30))
-    screen.blit(body,(150,30))
-    screen.blit(down,(240,120))
-    pygame.display.update()
-
+import pygame
+from pygame import locals
+pygame.init()
+ticks=pygame.time.Clock()
+a="right"
+x=330
+y=60
+location=[(270,90),(300,90),(300,60),(x,y)]
+screen=pygame.display.set_mode((660,480))
+apple=pygame.image.load("apple.png")
+bg=pygame.image.load("bg.png")
+body=pygame.image.load("body.png")
+down=pygame.image.load("down.png")
+left=pygame.image.load("left.png")
+right=pygame.image.load("right.png")
+up=pygame.image.load("up.png")
+b=right
+while True:
+    
+    for i in pygame.event.get():
+        if i.type == locals.QUIT:
+            exit()
+        elif i.type==locals.KEYDOWN:
+            if i.key==locals.K_RIGHT and a != "left":
+                a="right"
+                b=right
+            elif i.key==locals.K_LEFT and a != "right":
+                a="left"
+                b=left
+            elif i.key==locals.K_UP and a != "down":
+                a="up"
+                b=up
+            elif i.key==locals.K_DOWN and a != "up":
+                a="down"
+                b=down
+    
+    if a=="right":
+        x+=30
+    elif a=="left":
+        x-=30
+    elif a=="up":
+        y-=30
+    elif a=="down":
+        y+=30
+
+    
+    
+    location.append((x,y))
+    location.pop(0)
+    screen.blit(bg,(0,0))
+    screen.blit(apple,(30,90))
+    for j in range(len(location)-1):
+        screen.blit(body,location[j])
+    screen.blit(b,location[-1])
+
+
+
+
+
+
+
+    
+    pygame.display.update()
+    ticks.tick(5)
+