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hexboard-games
Module Materials
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3befc8bf
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3befc8bf
authored
6 years ago
by
Piers Williams
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slides/content/ai.tex
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3befc8bf
...
@@ -320,8 +320,8 @@ List<UUID> entities
...
@@ -320,8 +320,8 @@ List<UUID> entities
\begin{frame}
{
GA for Simple Game
}
\begin{frame}
{
GA for Simple Game
}
\begin{itemize}
[<+->]
\begin{itemize}
[<+->]
\item
Given a time budget
\item
Given a time budget
\item
Spend it evolving ``plans''
\item
Spend it
\textbf
{
evolving
}
``plans''
\item
Plan is a sequence of possible actions
\item
Plan is a
\textbf
{
sequence
}
of possible actions
\item
Simulate the plan and evaluate resultant state for score
\item
Simulate the plan and evaluate resultant state for score
\item
Sound like a possible GA?
\item
Sound like a possible GA?
\item
This is called a Rolling Horizon Evolutionary Algorithm
\item
This is called a Rolling Horizon Evolutionary Algorithm
...
@@ -330,8 +330,9 @@ List<UUID> entities
...
@@ -330,8 +330,9 @@ List<UUID> entities
\begin{frame}
{
Boosting the horizon
}
\begin{frame}
{
Boosting the horizon
}
\begin{itemize}
[<+->]
\begin{itemize}
[<+->]
\item
RHEA is quite jerky in games
\item
Length of the sequence increases parameters for GA
\item
Macro Actions can solve this
\item
RHEA is quite
\textbf
{
jerky
}
in games
\item
Macro Actions can sometimes solve this
\item
Locking the agent to consider each move
$
N
$
times
\item
Locking the agent to consider each move
$
N
$
times
\item
Means you can think for
$
N
$
turns
\item
Means you can think for
$
N
$
turns
\item
Works great in real-time engines like PTSP
\item
Works great in real-time engines like PTSP
...
@@ -407,6 +408,23 @@ List<UUID> entities
...
@@ -407,6 +408,23 @@ List<UUID> entities
\end{itemize}
\end{itemize}
\end{frame}
\end{frame}
\begin{frame}
{
Problems
}
\begin{tabularx}
{
6cm
}{
X | r r
}
Controller
&
ops/min
&
Error
\\
\hline
random
&
512.840
&
13.846
\\
noop
&
509.314
&
5.730
\\
RangedRush
&
273.362
&
2.345
\\
MixedRush
&
284.875
&
7.453
\\
MedievalGA
&
3.538
&
2.286
\\
\end{tabularx}
\begin{itemize}
\item
An ``op'' is building a full game and playing it to the end
\item
MedievalGA is the VLMAGA
\item
I wish that were an error for MedievalGA
\end{itemize}
\end{frame}
\begin{comment}
\begin{comment}
\section
{
Monte-Carlo Tree Search
}
\section
{
Monte-Carlo Tree Search
}
\begin{frame}
[fragile]
{
Monte-Carlo Tree Search
}
\begin{frame}
[fragile]
{
Monte-Carlo Tree Search
}
...
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