save project

my_Tetris.py

@@ -54,6 +54,13 @@ color=random.choice(cube_colors)
 center = [2, 8]     # 第2行第8列
 current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
 
+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:
@@ -69,6 +76,16 @@ while True:
                 if center[0] < 25:
                     center[0] += 1
 
+            else if event.key==locals.K_UP:
+                 old_index=index
+                 index+=1
+                 if index>=len(shape):
+                     index=0       
+                 if check(center)==Fales:
+                     index=old_index
+                     current_shape=shape[index]
+
+
     # 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