save project

snake.py

+import pygame
+from pygame import locals
+import random
+
+# 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()  # pygame时钟，控制游戏速度（帧数）
+
+# 背景
+background = pygame.image.load('bg.png')
+d = pygame.image.load('right.png')      # 头 朝右
+food = pygame.image.load('apple.png')       # 食物 苹果
+body = pygame.image.load('body.png')        # 身体
+a = pygame.image.load('left.png')        # 头 朝左
+w = pygame.image.load('up.png')            # 头 朝上
+s = pygame.image.load('down.png')        # 头 朝下
+x, y = 240, 120
+apple_x,apple_y=360,300
+position = [(180, 90), (180, 120), (210, 120), (x, y)]
+
+setheading = "d"
+snake_head = d
+
+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_D and setheading != "a":
+                setheading = 'd'
+                snake_head = d
+            if event.key == locals.K_A and setheading != "d":
+                setheading = 'a'
+                snake_head = a
+            if event.key == locals.K_W and setheading != "s":
+                setheading = 'w'
+                snake_head = w
+            if event.key == locals.K_S and setheading != "w":
+                setheading = 's'
+                snake_head = s
+
+    # 设置贪吃蛇的头部坐标
+    if setheading == "d":
+        x += 30
+    elif setheading == "a":
+        x -= 30
+    elif setheading == "w":
+        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=num1*30-30
+        apple_y=num2*30-30
+    else:
+        position.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇的头画上去
+    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(3)
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