save project

my_Tetris.py

@@ -50,21 +50,29 @@ index = random.randint(0, len(shape)-1)
 current_shape = shape[index]
 color = random.choice(cube_colors)
 
+def check(center):
+    for i in current_shape:
+        i = (i[0] + center[0], i[0] + center[1])
+        if i[0] < 1 or i[1] < 1 or i[0] > grid_num_height or i[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] < 15:
                 center[1] += 1
+                if check(center) ==False:
+                   center[1] -= 1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
                 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
-
+                if check(center) ==False:
+                   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