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my_Tetris.py

@@ -51,6 +51,14 @@ shape = random.choice(shape_list)
 index = random.randint(0,len(shape)-1)
 index = random.randint(0,len(shape)-1)
 current_shape = shape[index]
 current_shape = shape[index]
 color = random.choice(cube_colors)
 color = random.choice(cube_colors)
+def check(center):
+    for cube in current_shape:
+        cube = (cube[0]+ center[0],cube[1]+center[1])
+        #当前的小方块超出网格的行列就返回F
+        if cube[0] < 1 or cube[1] <1 or cube[0] > grid_num_height \
+              or cube[1] >grid_num_width:
+            return False
+        
 
 
 
 
 while True:
 while True:
@@ -60,17 +68,16 @@ while True:
         if event.type == locals.KEYDOWN:            
         if event.type == locals.KEYDOWN:            
             if event.key == locals.K_LEFT:    # 向左
             if event.key == locals.K_LEFT:    # 向左
                 center[1] = center[1]-1
                 center[1] = center[1]-1
-                for cube in current_pos:
-                    if cube[1] <= 1: 
+                if check(center) == False:
                     center[1] = center[1]+1
                     center[1] = center[1]+1
-                        break  
 
 
             elif event.key == locals.K_RIGHT:     
             elif event.key == locals.K_RIGHT:     
                 if center[1] < 15:
                 if center[1] < 15:
                     center[1] += 1                     
                     center[1] += 1                     
             elif event.key == locals.K_DOWN:    # 向下
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
+                center[0] = center[0]+1
+                if check(center) == False:
+                    center[0] = center[0]-1
 
 
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))