save project

lesson3-diy3.py

@@ -27,7 +27,7 @@ apple_y = 300   # 苹果纵坐标
 setheading = "right"
 snake_head = right
 score = 0
-
+v=6
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -56,18 +56,26 @@ while True:
         y -= 30
     else:
         y += 30
-    position.append((x, y))
+    
+    for o in position:
+        a,b=o
+        if a==x and b==y:
+            exit()
+    position.append((x,y))
     # 贪吃蛇吃到了苹果
     if x == apple_x and y == apple_y:
         num1= random.randint(1, 22)   # 横排第几个格子
         num2 = random.randint(1, 16)   # 竖排第几个格子
         apple_x = 30*num1-30   # 苹果的x坐标
         apple_y = 30*num2-30
-        score+=10   # 苹果的y坐标
+        score+=10
+        v+=1
+           # 苹果的y坐标
     else:
         
         position.pop(0)
-    if x>=630 or x<0 or y>=450 or y<0 or score==100:
+
+    if x>=660 or x<0 or y>=480 or y<0 or score==100:
         exit()
 
     # 将背景图画上去
@@ -87,4 +95,4 @@ while True:
 
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(15)
\ No newline at end of file
+    FPSCLOCK.tick(v)
\ No newline at end of file