save project

my_Tetris.py

@@ -51,22 +51,42 @@ current_shape=shape[index]
 color=random.choice(cube_colors)
 current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
 
+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False
+        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_LEFT:    # 向左
+                center[1] = center[1] - 1       # 左移1列
+                if check(center) == False:
+                    center[1] = center[1] + 1   # 右移1列
 
-    # 将背景图画上去
+            elif event.key == locals.K_RIGHT:     # 向右
+                center[1] = center[1] + 1
+                if check(center) == False:
+                    center[1] = center[1] - 1
+                    
+            elif event.key == locals.K_DOWN:    # 向下
+                center[0] = center[0] + 1
+                if check(center) == False:
+                    center[0] = center[0] - 1
+            elif event.key==locals.K_UP :
+                old_index=index
+                index+=1
+                if index>=len(shape):
+                    index=0
+                current_shape=shape[index]
+                if check(center)==False:
+                    index=old_index
+                current_shape=shape[index]
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置
     current_pos = []