save project

snake.py

@@ -4,30 +4,56 @@ FPSLOCK=pygame.time.Clock()
 
 
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
+screen = pygame.display.set_mode((660,480))
+
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.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')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 
 
 x,y=240,120
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
-# 创建一个窗口
-screen = pygame.display.set_mode((660,480))
+
+setheading = 'right'
+snake_head = right
+
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             exit()
             exit()
-    x+=30
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_LEFT and setheading != 'right':
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_RIGHT and setheading != 'left':
+                setheading = 'right'
+                snake_head = right
+            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))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
     screen.blit(background,(0,0))
     screen.blit(background,(0,0))
     screen.blit(right,position[-1])
     screen.blit(right,position[-1])
-    #screen.blit(right,(x,y))
+    
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])
-    # screen.blit(body,(210,120))
-    # screen.blit(body,(180,120))
-    # screen.blit(body,(180,90))
+
     screen.blit(food,(360,300))
     screen.blit(food,(360,300))
     pygame.display.update()
     pygame.display.update()
     FPSLOCK.tick(3)
     FPSLOCK.tick(3)
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