save project

my_Tetris.py

@@ -53,6 +53,10 @@ color = random.choice(cube_colors)
 def check(center):
     for cube in current_shape:
         cube = (cube[0]+center[0],cube[1]+center[1])
+        if cube[0]< 1 or cube[1]< 1 or cube[0] > grid_num_heigh\
+            or cube[1] >grid_num_width:
+        return False
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -61,7 +65,7 @@ while True:
             if event.key == locals.K_RIGHT:     # 向右
                 center[1] = center[1]+1
                 if check(center) == False:
-                    center[1] = center[1]+1 
+                    center[1] = center[1]-1 
 
             elif event.key == locals.K_LEFT:    # 向左
                 center[1] = center[1]-1