save project

snake.py

+import random
 import pygame
 from pygame import locals
 x,y=240,120
+apple_x = 360
+apple_y = 300 #
 position=[(180,90),(180,120),(210,120),(x,y)]
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -38,19 +41,26 @@ while True:
                 setheading = "up"
                 snake_head = up
     if setheading == "right":
-        x += 10
+        x += 30
     elif setheading == "left":
-        x -= 10
+        x -= 30
     if setheading == "up":
-        y -= 10
+        y -= 30
     elif setheading == "down":
-        y += 10
+        y += 30
 
-        
              
-    
     position.append((x,y))
-    position.pop(0)       
+
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = num1 * 30 - 30
+        apple_y = num2 * 30 - 30
+    else:
+        position.pop(0)     
+
+           
     # 将背景图画上去
     screen.blit(background, (0, 0))
     
@@ -61,7 +71,7 @@ while True:
         screen.blit(body,position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(10)
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