auto save

my_Tetris.py

@@ -53,20 +53,34 @@ index = random.randint(0, len(shape)-1)  # 随机选出一个方块形状绘制
 current_shape = shape[index]  # 生成索引下标
 current_shape = shape[index]  # 生成索引下标
 color = random.choice(cube_colors)  # 方块颜色调用random模块的choice方法随机选取一种
 color = random.choice(cube_colors)  # 方块颜色调用random模块的choice方法随机选取一种
 
 
+def check(center):  # def定义函数check()，参数center表示行、列
+    for cube in current_shape:   # for循环
+        # 计算出移动后每个小方块的行、列位置
+        cube = (cube[0] + center[0], cube[1] + center[1])
+        # if判断当前的小方块超出网格的行、列，就返回False
+        if cube[0] < 1 or cube[1] < 1 or cube[0] > grid_num_height\
+                or cube[1] >grid_num_width:
+            return False  # 返回False
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             exit()
             exit()
         if event.type == locals.KEYDOWN:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 15:
-                    center[1] += 1
+                center[1] = center[1] + 1  # 中心点右移1列
+                # if判断方块是否超出网格范围，使用检查函数进行检测
+                if check(center) == False:
+                    center[1] = center[1] - 1  # 左移1列，位置还原
             elif event.key == locals.K_LEFT:    # 向左
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
+                center[1] = center[1] - 1  # 中心点左移1列
+                # if判断方块有没有超出网格范围，使用检查函数进行检测
+                if check(center) == False:
+                    center[1] = center[1] + 1  # 右移1列，位置还原
             elif event.key == locals.K_DOWN:    # 向下
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
+                center[0] = center[0] + 1  # 中心点下移1行
+                # if判断方块有没有超出网格范围，使用检查函数进行检测
+                if check(center) == False:
+                    center[0] = center[0] - 1  # 上移1列，位置还原
 
 
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))