save project

snake.py

+import pygame
+import random
+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))
+
+FPSCLOCK = pygame.time.Clock()
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('2.png')
+body = pygame.image.load('apple.png')
+food = pygame.image.load('body.png')
+left = pygame.image.load('3.png')
+up = pygame.image.load('luli3.png')
+down = pygame.image.load('1.png')
+
+x,y = 240,120
+position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x = 360
+apple_y = 300
+
+setheading = 'right'
+snake_head = 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()
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading !='left':
+                setheading = 'right'
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading !='right':
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_UP and setheading !='down':
+                setheading = 'up'
+                snake_head = up
+            if event.key == locals.K_DOWN and setheading !='up':
+                setheading = 'down'
+                snake_head = down
+
+    if setheading == 'right':
+        x += 30
+    elif setheading == 'left':
+        x -= 30
+    elif setheading == 'up':
+        y -= 30
+    else:
+        y += 30
+    position.append((x,y))
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        num2= random.randint(1,16)
+        apple_x= 30*num1-30
+        apple_y= 30*num2-30
+    else:
+        position.pop(0)
+
+
+
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(snake_head, position[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+
+    # 将果实画上去
+    screen.blit(food, (apple_x, apple_y))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(5)
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