HTML and CSS Reference
In-Depth Information
<!doctype html>
<html
<html lang=
"en"
>
<head>
<head>
<meta
<meta charset=
"UTF-8"
>
<title>
<title>
Chapter 8 Example 17 - A* with Grass Tiles and Diagonal Moves
</title>
</title>
<
script src
=
"modernizr.js"
><
/script>
<
script type
=
'text/javascript'
src
=
'graph.js'
><
/script>
<
script type
=
'text/javascript'
src
=
'astar.js'
><
/script>
<
script type
=
"text/javascript"
>
window
.
addEventListener
(
'load'
,
eventWindowLoaded
,
false
false
);
function
function
eventWindowLoaded
() {
canvasApp
();
}
function
function
canvasSupport
() {
return
return
Modernizr
.
canvas
;
}
function
function
canvasApp
(){
iif
(
!
canvasSupport
()) {
return
return
;
}
else
else
{
var
var
theCanvas
=
document
.
getElementById
(
'canvas'
);
var
var
context
=
theCanvas
.
getContext
(
'2d'
);
}
//set up tile map
var
var
mapRows
=
15
;
var
var
mapCols
=
15
;
var
var
tileMap
=
[
[
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
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,
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]
,[
0
,
1
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1
,
1
,
1
,
1
,
1
,
1
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1
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1
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1
,
1
,
1
,
0
]
,[
0
,
1
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1
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1
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1
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,
1
,
0
,
1
,
0
]
,[
0
,
1
,
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,
1
,
0
,
0
,
1
,
0
,
1
,
0
,
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,
1
,
0
,
1
,
0
]
,[
0
,
1
,
0
,
1
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
1
,
0
,
1
,
0
]
,[
0
,
2
,
2
,
1
,
1
,
1
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
1
,
0
]
,[
0
,
1
,
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,
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,
0
,
1
,
0
,
0
,
0
,
1
,
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,
0
,
0
,
1
,
0
]
,[
0
,
1
,
1
,
1
,
2
,
1
,
0
,
0
,
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,
1
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1
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1
,
1
,
1
,
0
]
,[
0
,
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,
0
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0
,
1
,
1
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
0
]
,[
0
,
1
,
1
,
1
,
1
,
1
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
1
,
0
]
,[
0
,
1
,
0
,
1
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
1
,
0
,
1
,
0
]
,[
0
,
1
,
0
,
1
,
0
,
0
,
2
,
0
,
1
,
0
,
0
,
1
,
0
,
1
,
0
]
,[
0
,
1
,
0
,
1
,
0
,
0
,
1
,
0
,
1
,
0
,
0
,
1
,
0
,
1
,
0
]
