save project

my_Tetris.py

@@ -50,21 +50,32 @@ shape = random.choice(shape_list)
 index=random.randint(0,len(shape)-1)
 current_shape=shape[index]
 color=cube_colors[random.randint(0,len(cube_colors)-1)]
+
+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:
+            return False
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 14:
-                    center[1] += 1
-            elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 2:
+                center[1] += 1
+                if check(center)==False:
                     center[1] -= 1
+            elif event.key == locals.K_LEFT:    # 向左
+                center[1] -= 1
+                if check(center)==False:
+                    center[1] += 1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
 
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置