save project

my_Tetris.py

@@ -52,10 +52,10 @@ current_shape = shape[index]
 color = random.choice(cube_colors)
 
 def check(center):
-    for cube in current_shape:
+    for cube in current_shape:#遍历每一个格子
         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:
-            return False
+        if cube[0]<1 or cube[1]<1 or cube[0]>grid_num_height or cube[1]>grid_num_width:#如果有一个格子超出范围
+            return False#返回错误
 
 
 while True:
@@ -65,11 +65,11 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
                 center[1] += 1
-                if check(center) == False:
-                    center[1] -= 1
+                if check(center) == False:#如果是错误
+                    center[1] -= 1#返回原来
             elif event.key == locals.K_LEFT:    # 向左
                 center[1] -= 1
-                if check(center) == False:
+                if check(center) == False:#同上
                     center[1] += 1
             elif event.key == locals.K_DOWN:    # 向下
                 center[0] += 1