save project

snake.py

-import turtle
-for i in range(4):
-    turtle.setheading(i*90)
-    turtle.circle(50,90)
-    turtle.setheading(i*90-90)
-    turtle.circle(50,90)
-turtle.hideturtle()
+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+x=240
+y=120
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+# 创建一个窗口
+screen =pygame.display.set_mode((660, 480))
+fpsclock=pygame.time.Clock()
+position=[(210, 120),(180, 120),(180, 90),(x,y)]
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+left = pygame.image.load("left.png")
+down = pygame.image.load("down.png")
+up = pygame.image.load("up.png")
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+setheading = "right"
+snake_head = right
+x=240
+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 == K_UP and setheading != "down":
+                setheading = "up"
+                snake_head = up
+            if event.key == K_DOWN and setheading != "up":
+                setheading = "down"
+                snake_head = down
+            if event.key==K_LEFT and setheading !="left":
+                setheading ="left"
+                snake_head=left
+            if event.key==K_LEFT and setheading !="right":
+                setheading ="right"
+                snake_head=right                    
+    position.append((x,y))
+    position.pop    
+    # 将背景图画上去
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background, (0, 0)
+    # 将贪吃蛇画上去
+    screen.blit(right,(x, 120))
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #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
+    pygame.display.update()
+    fpsclock.tick(3)
+    
+    
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