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var unit=15;
var uwh=20;
var canMove=false;
var dir=2;
var score=0;
aPieceList=new Array();
mouseListener=new Object();
mouseListener.onMouseDown=function()
{
if(!canMove)
{
canMove=true;
startGame();
}
};
Mouse.addListener(mouseListener);
k=new Object();
k.onKeyDown=function()
{
var k=Key.getCode();
if (k==Key.UP && dir!=2&&canMove)
{
dir=0;a
canMove=false;
}
else if (k==Key.LEFT&&dir!=3&&canMove)
{
dir=1;
canMove=false;
}
else if (k==Key.DOWN&&dir!=0&&canMove)
{
dir=2;
canMove=false;
}
else if (k==Key.RIGHT&&dir!=1&&canMove)
{
dir=3;
canMove=false;
}
};
Key.addListener(k);
function addPiece()
{
var p=this.attachMovie("piece","piece"+aPieceList.length,aPieceList.length);
p._x=aPieceList[aPieceList.length-1]._x;
p._y=aPieceList[aPieceList.length-1]._y;
aPieceList.push(p);
}
function moveFood()
{
var moveIt=true;
while (moveIt)
{
food._x=Math.floor(Math.random() * uwh) * unit;
food._y=Math.floor(Math.random() * uwh) * unit;
moveIt=false;
for (var i=0;i<aPieceList.length;i++)
{
if (aPieceList._x==food._x&&aPieceList._y==food._y)
{
moveIt=true;
}
}
}
}
function gameOver()
{
delete this.onEnterFrame;
tScore.text="You Lose.Score:"+score;
canMove=false;
}
function startGame()
{
for (var i=aPieceList.length-1;i>=0;i--)
{
aPieceList.removeMovieClip();
aPieceList.pop();
}
score=0;
var p=this.attachMovie("piece","piece"+aPieceList.length,aPieceList.length);
aPieceList.push(p);
p._x=10 * unit;
p._y=10 * unit;
var food=this.attachMovie("food","food",-1);
var c=0;
moveFood();
var startingLength=3;
for (var i=1;i<startingLength;i++)
{
addpiece();
}
this.onEnterFrame=function()
{
canMove=true;
tScore.text=score;
for (var i=aPieceList.length-1;i>0;i--)
{
aPieceList._x=aPieceList[i-1]._x;
aPieceList._y=aPieceList[i-1]._y;
}
if (dir==0)
{
aPieceList[0]._y-=unit;
}
else if (dir==1)
{
aPieceList[0]._x-=unit;
}
else if (dir==2)
{
aPieceList[0]._y+=unit;
}
else if (dir==3)
{
aPieceList[0]._x+=unit;
}
if (aPieceList[0]._y/unit==20)
{
aPieceList[0]._y=0;
}
else if (aPieceList[0]._y/unit==-1)
{
aPieceList[0]._y=19 * unit;
}
else if (aPieceList[0]._x/unit==-1)
{
aPieceList[0]._x =19 * unit;
}
else if (aPieceList[0]._x/unit==20)
{
aPieceList[0]._x=0;
}
if (aPieceList[0]._x==food._x&&aPieceList[0]._y==food._y)
{
score+=10 * aPieceList.length/2;
moveFood();
addPiece();
}
for (var i=1;i<aPieceList.length;i++)
{
if (aPieceList[0]._x==aPieceList._x&&aPieceList[0]._y==aPieceList._y)
{
gameOver();
}
}
};
}





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