Class TGameEnv

java.lang.Object
  TGameEnv

Direct Known Subclasses:

TGameEnvRand

public class TGameEnv
extends java.lang.Object

This applet demonstrates a simple game. It isn't designed to be general or reusable.

Copyright (C) 2006 David Poole.

This program gives the environment of the simulation. The GUI is in TGameGUI.java. The environemnt code is at TGameEnv.java. The controller is at TGameController.java.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Field Summary

int	currX
int	currY
double	minReward
int	minStep
int	numberOfSteps
double	reward
double	totalReward
boolean	tracing
int	xDim
int	yDim
int	zeroCrossing

Constructor Summary

TGameEnv()

Method Summary

void	doreset() resets the number of steps and the reward.
double	dostep(int action) does one step.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

xDim

public final int xDim

See Also:

Constant Field Values

yDim

public final int yDim

See Also:

Constant Field Values

numberOfSteps

public int numberOfSteps

totalReward

public double totalReward

minReward

public double minReward

minStep

public int minStep

zeroCrossing

public int zeroCrossing

currX

public int currX

currY

public int currY

tracing

public boolean tracing

reward

public double reward

Constructor Detail

TGameEnv

public TGameEnv()

Method Detail

doreset

public void doreset()

resets the number of steps and the reward.

dostep

public double dostep(int action)

does one step.

The actions are

• 0 is up
• 1 is right
• 2 is careful up
• 3 is left

Parameters:

action - the action that the agent does

Returns:

reward