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')
+t = pygame.time.Clock()
+sh_x = 240
+sh_y = 120
+sb_l = [(180, 90),(180, 120),(210, 120),(sh_x, sh_y)]
+cx = 'right'
+cx_1 = right
+while True:
+    for i in pygame.event.get():
+        if i.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if i.type == locals.KEYDOWN:
+            if i.key == locals.K_RIGHT  and cx != 'left':
+                cx = 'right'
+                cx_1 = right
+            if i.key == locals.K_LEFT  and cx != 'right':
+                cx = 'left'
+                cx_1 = left
+            if i.key == locals.K_DOWN  and cx != 'up':
+                cx = 'down'
+                cx_1 = down
+            if i.key == locals.K_UP  and cx != 'down':
+                cx = 'up'
+                cx_1 = up
+    # 将背景图画上去
+    if cx == 'right':
+        sh_x += 30
+    elif cx == 'left':
+        sh_x -= 30
+    elif cx == 'down':
+        sh_y += 30
+    else :
+        sh_y -= 30
+    sb_l.append((sh_x, sh_y))
+    sb_l.pop(0)
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(cx_1, (sh_x, sh_y))
+    # 将贪吃蛇的身体画上去
+    for a in range(len(sb_l)-1):
+        screen.blit(body, sb_l[a])
+    # screen.blit(body, (210, 120))
+    # screen.blit(body, (180, 120))
+    # screen.blit(body, (180, 90))
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    t.tick(5)
+    pygame.display.update()
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