save project

my_Tetris.py

@@ -50,6 +50,14 @@ index = random.randint(0,len(shape)-1)
 current_shape = shape[index]
 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:
@@ -59,8 +67,9 @@ while True:
                 if center[1] < 15:
                     center[1] += 1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
+                center[1] = center[1] - 1
+                if check(center) == False:
+                    center[1] = center[1] + 1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
@@ -74,7 +83,7 @@ while True:
         current_pos.append(pos)
     # 取出所有小方块的行、列位置，计算坐标，绘制俄罗斯方块
     for cube in current_pos:
-        pygame.draw.rect(screen, (255,0,0),
+        pygame.draw.rect(screen, color,
                     (center[1] * 20-20, center[0] * 20-20, 20, 20), 0)
         pygame.draw.rect(screen, (255, 255, 255), 
                         (center[1] * 20-20, center[0] * 20-20, 20, 20), 1)