save project

lesson2-diy1.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))
+
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+setheading="right"
+look=right
+x,y = 240, 120   #
+p=[(180, 90),(180, 120),(210, 120),(x,y)]
+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 setheading !="down":
+                setheading="up"
+                look=up
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_DOWN and setheading !="up":
+                setheading="down"
+                look=down
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                look=right     
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                look=left
+    if setheading=="right":
+        x+=30 
+    if setheading=="left":
+        x-=30
+    if setheading=="down":
+        y+=30
+    if setheading=="up":
+        y-=30   
+                                
+    x += 30
+    p.append((x,y))
+    p.pop(0)   #
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(right, (x, y))  #
+    # 将贪吃蛇的身体画上去
+    for i in range(len(p)-1):
+        screen.blit(body, p[i])
+    #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
+    pygame.display.update()
+    FPSCLOCK.tick(3)
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