save project

my_Tetris.py

@@ -51,11 +51,21 @@ current_shape=shape[index]
 color=random.choice(cube_colors)
 current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
 color=random.choice(cube_colors)
+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:
             exit()
         if event.type == locals.KEYDOWN:
+            if event.key==locals.K_LEFT:
+                center[1]=center[1]-1
+                if check(center)==False:
+                    center[1]=center[1]+1
             if event.key == locals.K_RIGHT:     # 向右
                 if center[1] < 15:
                     center[1] += 1