save project

snake.py

@@ -8,24 +8,49 @@ screen = pygame.display.set_mode((660,480))
 food = pygame.image.load("apple.png")
 background = 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")
 body=pygame.image.load("body.png")
 x,y=210,120
 l=[(210,120),(180,120),(180,90),(x,y)]
+settheading="right"
+snake_head=right
 while True:
-    x+=30
     
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and settheading!="left":
+                settheading="right"
+                snake_head=right
+            if event.key==locals.K_LEFT and settheading!="right":
+                settheading="left"
+                snake_head=left
+            if event.key==locals.K_UP and settheading!="down":
+                settheading="up"
+                snake_head=up
+            if event.key==locals.K_DOWN and settheading!="up":
+                settheading="down"
+                snake_head=down
+    if settheading=="right":
+        x+=30
+    elif settheading=="left":
+        x-=30
+    elif settheading=="down":
+        y+=30
+    else:
+        y-=30
     l.append((x,y))
     l.pop(0)
     screen.blit(background,(0,0))
     for i in range(len(l)-1):
         screen.blit(body,l[i])
     screen.blit(food,(360,300))
-    screen.blit(right,(x,y))
+    screen.blit(snake_head,(x,y))
     pygame.display.update()
     a=pygame.time.Clock()
-    a.tick(3)
+    a.tick(10)