Moving Hundreds To Thousands Of Drawn Lines Simultaneously.

Oct 22, 2010

I'm one of the main developers from [URL](which is a gaming website), One of our main games is Free rider 2, Which we have converted to run via a database so people don't have to manually send around track codes so other people can evaluate their tracks. I am trying to build a track previewer in html5/javascript which will eventually replace our current one written in flash (which lags terribly on large tracks)

I am stuck on 1 thing though, With the larger tracks there are up to thousands of lines that are drawn using lineTo() moveTo() etc. And when i move using the arrow keys, It requires the javascript to reload the track, and parse every single line again, Causing the screen to turn white whilst it does so.

Is there a way i can use a similar method to the way it has been done in the flash version, where it is in a movieclip, which then instead of moving each line, it moves the movieclip instead.

Script:
<html>
<head>
<script type="application/javascript">
var offsetx = -133;

[Code]....

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