save project

my_game.py

+import random
 import pygame
 from pygame import locals
 index=0
@@ -13,6 +14,12 @@ cacti = pygame.image.load('cacti.png')      # 仙人掌
 apple = pygame.image.load('bush.png')      # 灌木丛
 hero = pygame.image.load('hero1.png')
 index = 0 
+obs=[stone,cacti,apple]
+obstacle=random.choice(obs)
+rect=obstacle.get_rect()
+rect.x=1000
+rect.y=500-rect.height
+
 heros=[
 pygame.image.load('hero1.png'),
 pygame.image.load('hero2.png'),
@@ -35,13 +42,13 @@ while True:
         
         if t>0:
             y=y-t
-            t=t-2
+            t=t-1.85
         else:
             herostatus="down"
     elif herostatus=="down":
         if t<=30:
             y=y+t
-            t=t+2
+            t=t+1.85
         else:
             t=30
             herostatus="running"
@@ -53,6 +60,15 @@ while True:
         index=index+1
         if index>4:
             index=0
+    if rect.x+rect.width>0:
+        rect.x=rect.x-15
+    else:
+        obs=[stone,cacti,apple]
+        obstacle=random.choice(obs)
+        rect=obstacle.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height  
+    screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()
-    FPS.tick(60)
+    FPS.tick(25)