save project

my_Tetris.py

@@ -55,22 +55,32 @@ indox = random.randint(0,len(shape)-1)
 curr_shape = shape[indox]  # 当前形状
 color = random.choice(cube_colors)
 
+def check(center):
+    for event in curr_shape:
+        cube = (cube[0] +center[0],cube[1]+center[1])
+        if cube[0]<1 or cube[1]<0 or cube[0]>gril_num_height \
+            or cube[1]>gril_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:
-                if center[1] < 15:
                     center[1] = center[1]+1
+                    if check(center)== False:
+                        center[1] = center[1]-1
 
             elif event.key == locals.K_LEFT:
-                if center[1] > 1:
                     center[1] = center[1] - 1
+                    if check(center)== False:
+                        center[1] = center[1]+1
 
             elif event.key == locals.K_DOWN:
-                if center[0] < 25:
                     center[0] = center[0] + 1
+                    if check(center)== False:
+                        center[0] = center[0]-1
 
     # 将背景图画上去
     screen.blit(background, (0, 0))