save project

snake.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+FPSLOCK = pygame.time.Clock()
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+a,b=240,120
+getxy = [(180,90),(180,120),(210,120),(a,b)]
+seth = 'right'
+setou = right
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()# 将背景图画上去
+        if event.type == locals.KEYDOWN:
+            if  event.key == locals.K_RIGHT and seth != 'left':
+                seth = 'right'
+                setou = eval(seth)
+            if  event.key == locals.K_LEFT and seth != 'right':
+                seth = 'left'
+                setou = eval(seth)
+            if  event.key == locals.K_UP and seth != 'down':
+                seth = 'up'
+                setou = eval(seth)
+            if  event.key == locals.K_DOWN and seth != 'up':
+                seth = 'down'
+                setou = eval(seth)
+    if seth == 'down':
+        b+=30
+    elif seth == 'up':
+        b-=30
+    elif seth == 'left':
+        a-=30
+    else:
+        a+=30
+    getxy.append((a,b))
+    getxy.pop(0)
+    screen.blit(background, (0, 0))# 将贪吃蛇画上去
+    screen.blit(setou, getxy[-1])
+    for h in range(0,len(getxy)-1):
+        screen.blit(body, getxy[h])
+    # 将贪吃蛇的身体画上去
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSLOCK.tick(17)
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