~~NOTOC~~

====== SXPointSpriteGroup ======

---- dataentry extension ----
type          : extension #or 'mod' if it requires changing the Sparrow source
author_mail   : pixelrevision@gmail.com Malcolm
description   : Create a point sprite group for things like particle effects. #enter a short description of the extension
lastupdate_dt : 2011-04-11 #the date you created the extension
compatible    : v1.1 #the Sparrow version you tested the extension with
depends       :  #if the ext. depends on others, list them here
tags          : point sprites, particles #enter a few tags, separated by commas
homepage_url  : https://gist.github.com/912119 #if the ext. has an URL (e.g. a Gist-page), add it here
download_url  : https://gist.github.com/gists/912119/download #a direct link to the download (e.g. the Gist-archive)
----

===== Usage =====
Subclass the class and override the update method to mess with particles:
<code>
- (void)update:(SPEnterFrameEvent*)event{
	for(int i=0; i<numPointSprites; i++){
		SXPSData *ps = &pointSprites[i];
		ps->x += i * .1;
		ps->y += i * .1;
	}
	[super update:event];
}
</code>


===== Changelog =====

  * //2011/04/11 22:24//: First public version

===== Source Code =====


%gist(912119)%

===== Discussion =====

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