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my_Tetris.py

@@ -53,8 +53,7 @@ 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_height \
-                 or cube[1]>grid_num_width:
+        if cube[0]<1 or cube[1]<1 or cube[0]>grid_num_height or cube[1]>grid_num_width:
             return False
 while True:
     for event in pygame.event.get():
@@ -62,28 +61,28 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             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
+                if check(center) == False:
+                    center[1] = center[1]-1
 
             elif event.key == locals.K_LEFT:    # 向左
-                center[1]=center[1]-1
-                if check(center)==False:
-                    center[1]=center[1]+1
+                center[1] = center[1]-1
+                if check(center) == False:
+                    center[1] = center[1]+1
             elif event.key == locals.K_DOWN:    # 向下
-                center[0]=center[0]+1
-                if check(center)==False:
-                    center[0]=center[0]-1
+                center[0] = center[0]+1
+                if check(center) == False:
+                    center[0] = center[0]-1
 
-            elif event.key==locals.K_UP:
-                old_index=index
-                index+=1
-                if index>=len(shape):
-                    index=0
-                current_shape=shape[index]   
-                if check(center)==False:     
-                    index=old_index
-                    current_shape=shape[index]
+            elif event.key == locals.K_UP:
+                old_index = index
+                index += 1
+                if index >= len(shape):
+                    index = 0
+                current_shape = shape[index]   
+                if check(center) == False:     
+                    index = old_index
+                    current_shape = shape[index]
 
     # 将背景图画上去
     screen.blit(background, (0, 0))