save project

my_Tetris.py

@@ -50,7 +50,11 @@ suiji=random.choice(shape_list)
 index=random.randint(0,len(suiji)-1)
 color=random.choice(cube_colors)
 current_shape=suiji[index]
-
+def chock(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():
@@ -60,12 +64,16 @@ while True:
             if event.key == locals.K_RIGHT:     # 向右
                 if center[1] < 15:
                     center[1] += 1
+                    if chock(center)==False:
+                     center[1] -= 1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
                     center[1] -= 1
+                    if chock(center)==False:
+                     center[1] += 1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
                     center[0] += 1
+                    if chock(center)==False:
+                     center[0] -= 1
 
     # 将背景图画上去
     screen.blit(background, (0, 0))