save project

snake.py

@@ -10,22 +10,51 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+
+
+
 x, y = 240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head = right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-    x += 30 
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_LEFT and setheading !="left":
+                setheading ='right'
+                snake_head = right
+            if event.key == locals.K_RIGHT and setheading !="right":
+                setheading ='left'
+                snake_head = left
+            if event.key == locals.K_DOWN and setheading !="down":
+                setheading ='up'
+                snake_head = up
+            if event.key == locals.K_UP 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.pop(0)     
     screen.blit(background,(0,0))
-    screen.blit(right,position[-1])
+    screen.blit(snake_head,position[-1])
     for i in range(len(position)-1):
         screen.blit(body,position[i])
     
     screen.blit(food,(360,300))
     pygame.display.update()
-    FPSCLOCK.tick(9)
+    FPSCLOCK.tick(3)