save project

my_Tetris.py

@@ -49,21 +49,35 @@ shape=random.choice(shape_list)
 index=random.randint(0,len(shape)-1)   # 第2行第8列
 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:
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 15:
-                    center[1] += 1
-            elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
-            elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
 
+            if event.key == locals.K_RIGHT:                       # 向右
+                center[1]=center[1]+1
+                if check(center)==False:
+                    center[1]-=1
+
+            elif event.key == locals.K_LEFT:
+                center[1]=center[1]-1    # 向左
+                if check(center) ==False:
+                    center[1]=center[1]+1
+                
+                   
+            elif event.key == locals.K_DOWN:    # 向下
+                center[0] += 1
+                if check(center) ==False:
+                    center[0]=center[0]-1
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置