save project

my_Tetris.py

@@ -59,7 +59,10 @@ def a():
     pygame.draw.rect(screen, (255, 255, 255), (cube[1] * 20-20, cube[0] * 20-20, 20, 20), 1)
 
 def check():
-
+    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():
@@ -67,13 +70,17 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-
+                center[1]+=1
+                if check()==False:
+                    center[1]-=1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
+                center[1] -= 1
+                if check()==False:
+                    center[1]+=1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
+                center[0] += 1
+                if check()==False:
+                    center[0]-=1
 
     # 将背景图画上去
     screen.blit(background, (0, 0))