save project

snake.py

+import pygame
+import random
+import math
+from pygame import locals
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+# 创建一个窗口
+screen=pygame.display.set_mode((780,600))
+
+FPSCLOCK=pygame.time.Clock()
+
+backgroung=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')
+
+x,y=90,0
+xa,ya=300,420
+applenum=0
+position=[(0,0),(30,0),(60,0),(x,y)]
+
+setheading="right"
+snake_head=right
+
+while True:
+    
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        if 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 x>=780:
+        exit()
+    if y>=600:
+        exit()
+    if y<0:
+        exit()
+    if x<0:
+        exit()
+    
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else :
+        y+=30
+    screen.blit(backgroung,(0,0))
+    screen.blit(food,(xa,ya))
+    if xa==x and ya==y:
+        screen.blit(food,(900,900))
+        position.append((x,y))
+        applenum+=1
+        print("苹果数量："+str(applenum))
+        xa=math.floor(random.randint(60,720)/30)*30
+        ya=math.floor(random.randint(60,540)/30)*30
+    else:
+        position.pop(0)
+        
+    
+    position.append((x,y))
+    screen.blit(snake_head,position[-1])
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    pygame.display.update()
+    FPSCLOCK.tick(3)