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my_Tetris.py

@@ -51,20 +51,41 @@ shape = random.choice(shape_list) #随机的形状
 index = random.randint(0,len(shape)-1) #索引 随机的方向
 current_shape = shape[index]
 color = random.choice(cube_colors) #随机的颜色
+
+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
+                if check(center)==False:
                     center[1] -= 1
+            elif event.key == locals.K_LEFT:    # 向左
+                center[1] -= 1
+                if check(center)==False:
+                    center[1] += 1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
+                center[0] += 1
+                if check(center)==False:
+                    center[0] -= 1
+            elif event.key == locals.K_UP:
+                old_index = index
+                index += 1
+                if index >= len(shape):
+                    index = 0  # 按上键旋转角度循环
+                current_shape = shape[index] #显示出来
+                if check(center) == False:
+                    index = old_index
+                    current_shape = shape[index] 
+
 
     # 将背景图画上去
     screen.blit(background, (0, 0))