save project

snake.py

@@ -6,26 +6,12 @@ pygame.init()
 x,y = (240,120)
 clock = pygame.time.Clock()
 q = right
+head='right'
 
 
 
 while True:
-    for a in pygame.event.get():
-        if a.type == locals.QUIT:
-            exit()
-        if a.type == locals.K-UP and q != done
-            y -= 30
-            q = up       
-        if a.type == locals.K-DONE and q != up
-            y += 30
-            q = done 
-        if a.type == locals.K-RIGHT and q != left
-            x += 30
-            q = right
-        if a.type == locals.K-LEFT and q != right
-            x -= 30 
-            q = left                   
-    clock.tick(3)
+
 
 
     # 创建一个窗口
@@ -39,6 +25,34 @@ while True:
     body=pygame.image.load('body.png')
 
 
+    for a in pygame.event.get():
+        if a.type == locals.QUIT:
+            exit()
+        if a.type == locals.K-UP and q != 'done':
+            head = 'up'
+            q = up      
+        if a.type == locals.K-DONE and q != 'up':
+            head = 'done'
+            q = done 
+        if a.type == locals.K-RIGHT and q != 'left':
+            head = 'right'
+            q = right
+        if a.type == locals.K-LEFT and q != 'right':
+            head = 'left'
+            q = left                   
+    clock.tick(3)
+
+
+    if  head == 'up':
+        y -= 30
+    if  head == 'done':
+        y += 30
+    if  head == 'right':
+        x += 30
+    if  head == 'left':
+        x -= 30
+
+
     h=[(210,120),(180,120),(180,90),(x,y)]
     h.blit(bg,(0,0))
     h.append((x,y))