save project

snake.py

@@ -12,11 +12,12 @@ left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
 down = pygame.image.load('down.png')
 x, y = 240, 120
 x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
+position = [(180,90),(180,120),(210,120),(x, y)]
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
 apple_x = randint(0,630)
 apple_x = randint(0,630)
 apple_y = randint(0,430)
 apple_y = randint(0,430)
+changdu=4
 while apple_x%30!=0 or apple_y%30!=0:
 while apple_x%30!=0 or apple_y%30!=0:
     apple_x = randint(0,630)
     apple_x = randint(0,630)
     apple_y = randint(0,430)
     apple_y = randint(0,430)
@@ -46,12 +47,14 @@ while True:
     else:
     else:
         y += 30
         y += 30
     if x==apple_x and y==apple_y:
     if x==apple_x and y==apple_y:
+        changdu+=1
         apple_x = randint(0,630)
         apple_x = randint(0,630)
         apple_y = randint(0,430)
         apple_y = randint(0,430)
         while apple_x%30!=0 or apple_y%30!=0:
         while apple_x%30!=0 or apple_y%30!=0:
             apple_x = randint(0,630)
             apple_x = randint(0,630)
             apple_y = randint(0,430)
             apple_y = randint(0,430)
     position.append((x, y))
     position.append((x, y))
+    if not changdu>=len(position):
         position.pop(0)
         position.pop(0)
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     screen.blit(snake_head, position[-1])
     screen.blit(snake_head, position[-1])
@@ -59,4 +62,4 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
     screen.blit(food, (apple_x, apple_y))
     screen.blit(food, (apple_x, apple_y))
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(14)
\ No newline at end of file