save project

my_Tetris.py

@@ -47,11 +47,22 @@ cube_colors = [
 center = [2, 8]     # 第2行第8列
 current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
 
+def check(center):
+    for cube in current_shage:
+        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:
+            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
@@ -71,7 +82,7 @@ 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, color,
+        pygame.draw.rect(screen, (0, 0, 0),
                     (cube[1] * 20-20, cube[0] * 20-20, 20, 20), 0)
         pygame.draw.rect(screen, (255, 255, 255), 
                         (cube[1] * 20-20, cube[0] * 20-20, 20, 20), 1)