add the menu of two mode and the timer

main.py

@@ -1,5 +1,21 @@
 import pgzrun
 import random
+import time
+
+# 窗口参数
+WIDTH = 1920
+HEIGHT = 1080
+TITLE = "Ping_Pang"
+
+# 计时变量
+start_time = time.perf_counter()
+elapsed_time = 0
+TIME_LIMIT = 60  # 分数模式限时60秒
+
+# 游戏状态：menu / playing / gameover
+game_state = "menu"
+# mode 1=Score Mode(1分钟限时)  2=Game Over Mode
+game_mode = 1
 
 #分数
 scorep1 = 0
@@ -8,29 +24,24 @@ scorep2 = 0
 hit_paddle1 = False
 hit_paddle2 = False
 
-#随机数生成
+#随机方块坐标
 random_intX = random.randint(235, 1685)
 random_intY = random.randint(235, 845)
 
-
+# 背景音乐
 music.play('bgm')
-# 窗口参数
-WIDTH = 1920
-HEIGHT = 1080
-TITLE = "Ping_Pang"
 
 # 左右球拍
 paddle1 = Actor("1")
-paddle1.x = 80
+paddle1.x = 10
 paddle1.y = HEIGHT / 2
 paddle_speed = 8
 
 paddle2 = Actor("2")
-paddle2.x = WIDTH - 80
+paddle2.x = WIDTH - 10
 paddle2.y = HEIGHT / 2
 
-
+# 障碍方块
-#box生成
 tbox = Actor("t_box")
 tbox.x = random_intX
 tbox.y = HEIGHT / 2
@@ -41,8 +52,6 @@ ball.pos = (WIDTH//2, HEIGHT//2)
 ball_speed_x = 7
 ball_speed_y = 7
 
-# 游戏状态: playing / gameover
-game_state = "playing"
 lose_text = ""
 
 # 球拍上下限位
@@ -53,29 +62,67 @@ bottom = HEIGHT - half_h
 bg = Actor("bg")
 
 def draw():
-    global scorep1, scorep2
+    global elapsed_time
     screen.clear()
     bg.draw()
+
+    # 开局选择菜单界面
+    if game_state == "menu":
+        screen.draw.text("PING PONG GAME", center=(WIDTH//2, 200), fontsize=90, color="white")
+        screen.draw.text("Please select game mode", center=(WIDTH//2, 320), fontsize=45, color="yellow")
+        screen.draw.text("Press D - Score Mode (1 minute time limit)", center=(WIDTH//2, 420), fontsize=40, color="white")
+        screen.draw.text("Ball out of bounds → add score, ball reset to center", center=(WIDTH//2, 470), fontsize=28, color="#cccccc")
+        screen.draw.text("Press F - Game Over Mode", center=(WIDTH//2, 570), fontsize=40, color="white")
+        screen.draw.text("Ball out of bounds → opponent wins, game end", center=(WIDTH//2, 620), fontsize=28, color="#cccccc")
+        return
+
+    # 游戏进行画面
     paddle1.draw()
     paddle2.draw()
     ball.draw()
     tbox.draw()
 
-    #分数
+    # 左右分数
-    screen.draw.text('Score_p1: ' + str(scorep1), (15,10), color=(255,255,255), fontsize=30)
+    screen.draw.text(f'Player 1 Score: {scorep1}', (15,10), color=(255,255,255), fontsize=30)
-    screen.draw.text('Score_p2: ' + str(scorep2), (1750,10), color=(255,255,255), fontsize=30)
+    screen.draw.text(f'Player 2 Score: {scorep2}', (1700,10), color=(255,255,255), fontsize=30)
+
+    # 顶部居中计时，区分限时模式显示剩余时间
+    if game_mode == 1:
+        remain = TIME_LIMIT - elapsed_time
+        if remain < 0:
+            remain = 0
+        screen.draw.text(f"Time Left: {remain:.1f} s", center=(WIDTH//2, 12), color=(255,255,255), fontsize=32)
+    else:
+        screen.draw.text(f"Time: {elapsed_time:.2f} s", center=(WIDTH//2, 12), color=(255,255,255), fontsize=32)
 
     # 游戏结束提示
     if game_state == "gameover":
         screen.draw.text(lose_text, center=(WIDTH//2, HEIGHT//2), fontsize=80, color="red")
-        screen.draw.text("click space to restar", center=(WIDTH//2, HEIGHT//2+80), fontsize=40, color="white")
+        screen.draw.text("Press SPACE to restart", center=(WIDTH//2, HEIGHT//2+80), fontsize=40, color="white")
 
 def update():
     global ball_speed_x, ball_speed_y, game_state, lose_text
     global scorep1, scorep2, hit_paddle1, hit_paddle2
-    global random_intX, random_intY
+    global random_intX, random_intY, elapsed_time, start_time
+
+    # 菜单界面不运行游戏逻辑
+    if game_state == "menu":
+        return
+
+    # 游戏进行中刷新计时
+    if game_state == "playing":
+        elapsed_time = time.perf_counter() - start_time
+        # 分数模式计时到60秒结束游戏
+        if game_mode == 1 and elapsed_time >= TIME_LIMIT:
+            game_state = "gameover"
+            if scorep1 > scorep2:
+                lose_text = "Player 1 Win!"
+            elif scorep2 > scorep1:
+                lose_text = "Player 2 Win!"
+            else:
+                lose_text = "Draw!"
+            sounds.zhanbai.play()
 
-    # 每一帧重置碰撞标记，保证一次碰撞只加一次分
     hit_paddle1 = False
     hit_paddle2 = False
 
@@ -102,60 +149,91 @@ def update():
         ball_speed_y *= -1
         sounds.bump.play()
 
-    # 左球拍接住加分
+    # 左球拍碰撞加分
     if ball.colliderect(paddle1) and not hit_paddle1:
         ball_speed_x *= -1
         sounds.bump.play()
         scorep1 += 1
         hit_paddle1 = True
 
-    # 右球拍接住加分
+    # 右球拍碰撞加分
     if ball.colliderect(paddle2) and not hit_paddle2:
         ball_speed_x *= -1
         sounds.bump.play()
         scorep2 += 1
         hit_paddle2 = True
 
-    #方块实现
+    # 撞击方块逻辑
     if ball.colliderect(tbox):
         sounds.box_co.play()
-        # 判断撞方块左侧/右侧：翻转X速度
         if ball.centerx < tbox.x:
             ball_speed_x = -abs(ball_speed_x) - 1
         else:
             ball_speed_x = abs(ball_speed_x) + 1
-        # 判断撞方块上侧/下侧：翻转Y速度
         if ball.centery < tbox.y:
             ball_speed_y = -abs(ball_speed_y)
         else:
             ball_speed_y = abs(ball_speed_y)
-        # 重新生成方块坐标
         random_intX = random.randint(235, 1685)
         random_intY = random.randint(235, 845)
         tbox.x = random_intX
         tbox.y = random_intY
 
-    # 出左右边界游戏结束，这里不再加分
+    # 球出界逻辑，区分两种模式
     if ball.left <= 0:
-        game_state = "gameover"
+        if game_mode == 1:
-        lose_text = "player 2 win!"
+            # 计分模式：仅加分，球回中心继续
-        sounds.zhanbai.play()
+            scorep2 += 1
-    if ball.right >= WIDTH:
+            ball.pos = (WIDTH//2, HEIGHT//2)
-        game_state = "gameover"
+            ball_speed_x = 7
-        lose_text = "player 1 win!"
+            ball_speed_y = 7
-        sounds.zhanbai.play()
+        else:
+            # 出局即结束模式
+            game_state = "gameover"
+            lose_text = "Player 2 Win!"
+            sounds.zhanbai.play()
+
+    if ball.right >= WIDTH:
+        if game_mode == 1:
+            scorep1 += 1
+            ball.pos = (WIDTH//2, HEIGHT//2)
+            ball_speed_x = 7
+            ball_speed_y = 7
+        else:
+            game_state = "gameover"
+            lose_text = "Player 1 Win!"
+            sounds.zhanbai.play()
 
-# 空格重新开局
 def on_key_down(key):
     global game_state, ball_speed_x, ball_speed_y, scorep1, scorep2
+    global start_time, elapsed_time, game_mode
+
+    # 菜单界面按 D / F 选择模式
+    if game_state == "menu":
+        if key == keys.D:
+            game_mode = 1
+            game_state = "playing"
+            start_time = time.perf_counter()
+            elapsed_time = 0
+        elif key == keys.F:
+            game_mode = 2
+            game_state = "playing"
+            start_time = time.perf_counter()
+            elapsed_time = 0
+        return
+
+    # 游戏结束按空格重启
     if key == keys.SPACE and game_state == "gameover":
         game_state = "playing"
         ball.pos = (WIDTH//2, HEIGHT//2)
         ball_speed_x = 7
         ball_speed_y = 7
-        # 重启清空分数，不需要就注释掉下面两行
         scorep1 = 0
         scorep2 = 0
+        start_time = time.perf_counter()
+        elapsed_time = 0
 
 pgzrun.go()
 
+
+