save project

snake.py

@@ -5,6 +5,9 @@ import random
 pygame.init()
 pygame.init()
 a_x=240
 a_x=240
 a_y=180
 a_y=180
+a1=0
+a2=0
+
 # 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))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
@@ -55,9 +58,11 @@ while True:
     position.append((x, y))
     position.append((x, y))
     position.pop(0)
     position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
-    while  a_x ==x and a_y ==y:
-       a_x=random.randint(0,660)
-       a_y=random.randint(0,480) 
+    if  a_x ==x and a_y ==y:
+       a1=random.randint(0,21)
+       a2=random.randint(0,15)
+       a_x=a1*30
+       a_y=a2*30
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     screen.blit(snake_head, position[-1])