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))
+
+# 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')
+
+FPS=pygame.time.Clock()
+
+x,y = 240,120
+XY=[(180, 90),(180, 120),(210, 120),(x,y)]
+
+heading=left
+
+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()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and heading != down:
+                heading=up
+            if event.key == locals.K_RIGHT and heading != left:
+                heading=right
+            if event.key == locals.K_DOWN and heading != up:
+                heading=down
+            if event.key == locals.K_LEFT and heading != right:
+                heading=left
+
+    if heading == left:
+        x -= 30
+    if heading == right:
+        x += 30
+    if heading == up:
+        y -= 30
+    if heading == down:
+        y += 30
+    XY.append((x,y))
+    XY.pop(0)
+
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(heading, (x,y))
+    # 将贪吃蛇的身体画上去
+    for i in range(len(XY)-1):
+        screen.blit(body,XY[i])
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPS.tick(3)
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