add comment

donghaiwang · Aug 20, 2018 · c58e5c6 · c58e5c6
1 parent d196e07
commit c58e5c6
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/DQN-tensorflow/config.py b/DQN-tensorflow/config.py
@@ -7,7 +7,7 @@ class AgentConfig(object):
   memory_size = 60 * scale               # 内存大小（原来是：100*scale）
 
   batch_size = 32
-  random_start = 30
+  random_start = 30                       # 0-29个游戏（随机选择）
   cnn_format = 'NCHW'                     # GPU的输入图片格式
   discount = 0.99                         # 折扣因子
   target_q_update_step = 1 * scale        # 目标Q值更新的频率

diff --git a/DQN-tensorflow/dqn/environment.py b/DQN-tensorflow/dqn/environment.py
@@ -39,7 +39,7 @@ def _random_step(self):
     action = self.env.action_space.sample()
     self._step(action)
 
-  @ property
+  @ property  # 该属性很可能不是直接暴露的，而是通过getter和setter方法来实现的
   def screen(self):
     return imresize(rgb2gray(self._screen)/255., self.dims)  # utils.py里的工具函数
     #return cv2.resize(cv2.cvtColor(self._screen, cv2.COLOR_BGR2YCR_CB)/255., self.dims)[:,:,0]