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#!/usr/bin/env python3 | |
#-*- coding: utf-8 -*- | |
# Very simple tetris implementation | |
# | |
# Control keys: | |
# Down - Drop stone faster | |
# Left/Right - Move stone | |
# Up - Rotate Stone clockwise | |
# Escape - Quit game |
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""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """ | |
import numpy as np | |
import cPickle as pickle | |
import gym | |
# hyperparameters | |
H = 200 # number of hidden layer neurons | |
batch_size = 10 # every how many episodes to do a param update? | |
learning_rate = 1e-4 | |
gamma = 0.99 # discount factor for reward |