Class SGameEnv

java.lang.Object
  SGameEnv

Direct Known Subclasses:

SGameAdvEnv

public class SGameEnv
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 core of the simulation. The GUI is in SGameGUI.java. The environemnt code is at SGameEnv.java. The controller is at SGameController.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

double	crashReward
int	currX
int	currY
boolean	damaged
boolean	m03
boolean	m13
boolean	m21
boolean	m33
boolean	m42
double	minReward
int	minStep
int	numberOfSteps
int	prize Prize Location.
double	totalReward
boolean	tracing
int	xDim
int	yDim
int	zeroCrossing

Constructor Summary

SGameEnv()

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

m21

public boolean m21

m42

public boolean m42

m03

public boolean m03

m13

public boolean m13

m33

public boolean m33

prize

public int prize

Prize Location.

• 4 means there is no prize
• 0 means prize is at the top left
• 1 means the prize is at the top right
• 2 means the prize is ar the bottom left
• 3 means the prize is at the bottom right

damaged

public boolean damaged

crashReward

public double crashReward

Constructor Detail

SGameEnv

public SGameEnv()

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 down
• 3 is left

Parameters:

action - the action that the agent does

Returns:

reward