save project

snake.py

 import pygame,random
 from pygame import locals
 
+
+
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
+
+
 # 帧率初始化
 FPSCLICK = pygame.time.Clock()
 
@@ -19,8 +23,12 @@ up = pygame.image.load("up.png")
 down = pygame.image.load("down.png")
 
 apple = pygame.image.load("apple.png")    #屁股
+bad_food = pygame.image.load("bad_food.png") # 坏食物
 body = pygame.image.load("body.png")      #身体
 
+#字体
+my_font = pygame.font.Font('neuropol.ttf',18)
+
 
 
 # 头部初始化坐标
@@ -30,6 +38,10 @@ x,y = 240,120
 apple_x = 360
 apple_y = 300
 
+#坏屁股初始化坐标
+bad_apple_x = 330
+bad_apple_y = 240
+
 # 吃屁股
 eat_apple = 0
 
@@ -39,7 +51,25 @@ position = [(180,120),(180,270),(210,120),(x,y)]
 setheading = 'right'
 snake_head = right
 
+
+# 亿些封装
+def move():
+    global apple_y,apple_x
+    apple_x = 30 * random.randint(0,21)
+    apple_y = 30 * random.randint(0,15)
+def bad_apple_move():
+    global bad_apple_y,bad_apple_x
+    bad_apple_x = 30 * random.randint(0,21)
+    bad_apple_y = 30 * random.randint(0,15)
+def cantKeyDonw():
+    global x,y
+    if x>630 or x<0 or y>480 or y<0:
+        return False
+    else:
+        return True
+
 while True:
+    # global eat_apple
     for event in pygame.event.get():
         if event.type == 12:
             # 接收到退出事件后退出程序
@@ -48,19 +78,19 @@ while True:
         # 按键设置       
         if event.type == locals.KEYDOWN:
             # w键
-            if event.key == locals.K_w and setheading != 'down':
+            if event.key == locals.K_w and setheading != 'down' and cantKeyDonw():
                 setheading = 'up'
                 snake_head = up
             # a键
-            if event.key == locals.K_a and setheading != 'right':
+            if event.key == locals.K_a and setheading != 'right' and cantKeyDonw():
                 setheading = 'left'
                 snake_head = left
             # s键        
-            if event.key == locals.K_s and setheading != 'up':
+            if event.key == locals.K_s and setheading != 'up' and cantKeyDonw():
                 setheading = 'down'
                 snake_head = down
             # d键
-            if event.key == locals.K_d and setheading != 'left':
+            if event.key == locals.K_d and setheading != 'left'  and cantKeyDonw():
                 setheading = 'right'
                 snake_head = right
                     
@@ -79,20 +109,40 @@ while True:
     
 
 
-    # 恰苹果
+    # 恰屁股 和 恰坏屁股
     if (x,y) == (apple_x,apple_y):
-        apple_x = 30 * random.randint(0,16)
-        apple_x = 30 * random.randint(0,20)
+        move()
         eat_apple += 1
+    elif (apple_x,apple_y) in position[0:-1]:
+        move() 
+    elif (x,y) == (bad_apple_x,bad_apple_y):
+        bad_apple_move()
+        eat_apple -= 1    
+        for i in range(2):
+            position.pop(0)  
+    elif (apple_x,apple_y) in position[0:-1]:
+        bad_apple_move()                  
     else:
         position.pop(0)
 
     # 碰墙退出
-    if x > 660 or y > 480 or x < 0 or y < 0:
-        exit()
+    # if x > 660 or y > 480 or x < 0 or y < 0:
+    #     exit()
+
+    # 穿墙
+    if x < 0:
+        x = 630
+    if x > 630:
+        x = -30
+    if y < 0:
+        y = 480
+    if y > 480:
+        y = -30            
 
     # 分数退出
-    if eat_apple > 150:
+    if eat_apple > 15:
+        exit()
+    elif eat_apple < 0:
         exit()    
 
     # 自杀退出
@@ -108,11 +158,19 @@ while True:
     # 屁股图片添加于屏幕
     screen.blit(apple,(apple_x,apple_y))
 
+    # 坏屁股图片添加于屏幕
+    screen.blit(bad_food,(bad_apple_x,bad_apple_y))
 
+    # 身体图片添加于屏幕
     for i in range(len(position)-1):
         screen.blit(body,position[i])  
+    # 绘制分数
+    info = 'Score' + str(eat_apple)
+    text = my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10)) 
+    # 刷新画面    
     pygame.display.update()
 
     # 帧率
-    FPSCLICK.tick(5) 
+    FPSCLICK.tick(6)