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POWhat is the best approach for CCSpriteBatchNode and texture sheets in a Cocos2D game scene
 

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  1. POWhat is the best approach for CCSpriteBatchNode and texture sheets in a Cocos2D game scene
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    <p>I am modifying some tutorials I found on <a href="http://www.apress.com/9781430233039/" rel="nofollow noreferrer">Learn Cococs2D</a> and found that whenver I use more than one CCSpriteBatchNode in one class the frame rate drops. </p> <p>Reading a bit around I understood that one CCSpriteBatchNode can accept only 1 texture sheet at a time and this poses some limitations on the level design (sprite sheet can be max 2048x2048 pixels <a href="https://stackoverflow.com/questions/7549266/when-to-use-ccspritebatchnode">discussion</a>). Although there are some extensions that seem to overcome this limitaton (which I haven't yet dared to try) <a href="https://github.com/cocos2d/cocos2d-iphone-extensions/tree/master/Extensions/CCBigImage" rel="nofollow noreferrer">CCBigImage</a>.</p> <p>I am trying to following the one file approach and load all my images in one CCSpriteFrameCache but I haven't found much on <a href="http://www.cocos2d-iphone.org/wiki/doku.php/prog_guide:best_practices" rel="nofollow noreferrer">programming guides</a> about this. </p> <p>In the ShootEmUp example of <a href="http://www.apress.com/9781430233039/" rel="nofollow noreferrer">1</a> the approach is to have a CCSpriteBatchNode in ParallaxNode as well as in other classes such as EnemyCache (find source on folder Chapter 8 on link <a href="http://www.apress.com/downloadable/download/sample/sample_id/640/" rel="nofollow noreferrer">book source code link</a>)</p> <p>Although I have researched a bit on the cocos2d-iphone.org forums and found the following topic where a <strong>moderator suggests to add only one instance of CCSpriteBatchNode to the root layer</strong> <a href="http://www.cocos2d-iphone.org/forum/topic/16827" rel="nofollow noreferrer">forum topic</a>.</p> <p><strong>I am now a bit confused</strong>. The one thing I noticed is that following the <a href="http://www.apress.com/9781430233039/" rel="nofollow noreferrer">1</a> approach (multiple instances) the frame rate is not optimal. Have you similar experiences and how do you tackle this? </p> <p><strong>Multiple CCSpriteBatchNode or not? One texture sheet per level or multiple?</strong></p> <p>Thanks a lot for reading :)</p>
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