save project

my_Tetris.py

@@ -49,6 +49,13 @@ shape  = random.choice(shape_list)
 index = random.randint(0,len(shape)-1)
 current_shape = shape[index]
 color = random.choice(cube_colors)
+
+def check(center):
+    for check 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:
@@ -58,8 +65,10 @@ while True:
                 if center[1] < 15:
                     center[1] += 1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 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
                 if center[0] < 25:
                     center[0] += 1