32 lines
911 B
Python
32 lines
911 B
Python
#!/usr/bin/env python
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# coding=utf-8
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'''
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@Author: John
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@Email: johnjim0816@gmail.com
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@Date: 2020-06-10 15:28:30
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@LastEditor: John
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LastEditTime: 2020-09-01 10:57:36
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@Discription:
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@Environment: python 3.7.7
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'''
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import gym
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import numpy as np
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class NormalizedActions(gym.ActionWrapper):
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''' 将action范围重定在[0.1]之间
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'''
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def action(self, action):
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low_bound = self.action_space.low
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upper_bound = self.action_space.high
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action = low_bound + (action + 1.0) * 0.5 * (upper_bound - low_bound)
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action = np.clip(action, low_bound, upper_bound)
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return action
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def reverse_action(self, action):
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low_bound = self.action_space.low
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upper_bound = self.action_space.high
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action = 2 * (action - low_bound) / (upper_bound - low_bound) - 1
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action = np.clip(action, low_bound, upper_bound)
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return action |