SyntaxScrewer's Blog

October 11, 2011

Fast Masked! Scrolling! MovieClips – iPAD

Filed under: Mobile — geekymaira @ 11:58 am

Hello people,

I was asked to develop a dynamic 360 degree product viewer for the iPAD using a PNG sequence. I created the component but it was slugging on the device. I wasn’t getting the 60FPS that I should
have. After brainstorming with a few colleagues, I came across a new  Greensock API that did the job BRILLIANTLY. They claim upto 1000% smoother animations.

It’s called BlitMask.
Here’s the link
http://www.greensock.com/blitmask/

Another method to do the same thing is using
https://github.com/theflashbum/BitmapScroller
Here’s an example by Lee BrimeLow  using the above.
http://www.leebrimelow.com/?p=2839

Other interesting links for Spriting/Blitting/Smooth Scrolling
http://www.greensock.com/throwprops/
http://www.gotoandlearn.com/play.php?id=140
http://gotoandlearn.com/play.php?id=141
http://gotoandlearn.com/play.php?id=142

Cheers!

SyntaxScrewer

 

 

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