save project

snake.py

@@ -4,24 +4,56 @@ from pygame import locals
 # 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()
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
-a=pygame.image.load("bg.png")
-b=pygame.image.load("right.png")
-c=pygame.image.load("apple.png")
-d=pygame.image.load("body.png")
-e=pygame.time.Clock()
+bg=pygame.image.load("bg.png")
+R=pygame.image.load("right.png")
+apple=pygame.image.load("apple.png")
+body=pygame.image.load("body.png")
+U=pygame.image.load("up.png")
+D=pygame.image.load("down.png")
+L=pygame.image.load("left.png")
+setheading='right'
+snake_head=R
+
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
 # 创建一个窗口
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
 screen=pygame.display.set_mode((660,480))
 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()
-    
-        
-    screen.blit(a,(0,0))
-    screen.blit(b,(240,300))
-    screen.blit(c,(300,360))
-    screen.blit(d,(210,300))
-    screen.blit(d,(180,300))
-    screen.blit(d,(180,270))
+        if event.type== locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading!='left':
+                setheading='right'
+                snake_head=R
+            if event.key==locals.K_LEFT and setheading!='right':
+                setheading='left'
+                snake_head=L
+            if event.key==locals.K_DOWN and setheading!='up':
+                setheading='down'
+                snake_head=D
+            if event.key==locals.K_UP and setheading!='down':
+                setheading='up'
+                snake_head=U
+    if setheading=='right':
+        x+=30
+    if setheading=='left':
+        x-=30
+    if setheading=='up':
+        y-=30
+    if setheading=='down':
+        y+=30
+    position.append((x,y))
+    position.pop(0)
+
+
+    screen.blit(bg,(0,0))
+    screen.blit(snake_head,position[-1])
+    for i in range (len(position)-1):
+        screen.blit(body,position[i])
+    screen.blit(apple,(300,360))
+    # screen.blit(body,(210,120))
+    # screen.blit(body,(180,120))
+    # screen.blit(body,(180,90))
     pygame.display.update()
     pygame.display.update()
-FPSCLOCK.tick(3)
+    FPSCLOCK.tick(3)
\ No newline at end of file