save project

my_game.py

@@ -52,6 +52,8 @@ bg_x = 0
 time = 0
 gamestate = True
 score = 0
+speed = 8
+old_score = 0 
 
 block_list =pygame.sprite.Group()   # 创建精灵组
 
@@ -73,6 +75,7 @@ while True:
             index = 0
 
     if gamestate == True:
+        speed = 8 + score // 3 
         if jumpState == "up":    # 起跳状态
             if t > 0:
                 y -= t
@@ -95,7 +98,7 @@ while True:
             bg_x = 0
         screen.blit(background, (bg_x, 0))      # 远景
 
-        road_x -= 8
+        road_x -= speed
         if road_x<=-1000:
             road_x = 0
         screen.blit(road, (road_x, 500))       # 道路
@@ -110,7 +113,7 @@ while True:
                 obstacle = Block(bush,cacti,stone)  
                 block_list.add(obstacle)
         for sprite in block_list:       # 遍历、展示障碍物精灵
-            sprite.rect.x -= 8
+            sprite.rect.x -= speed
             screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
             if sprite.rect.x <= 0-sprite.rect.width:
                 sprite.kill()
@@ -123,6 +126,9 @@ while True:
                     score += sprite.score
                     
                     sprite.score = 0
+                if score>old_score:
+                    scoresy.play()
+                    old_score = score
         scoreSurf = basic_font.render("分数:"+str(score),True,(255,0,0))
         screen.blit(scoreSurf,(850,20))