About: shawn

Whenever you’re working with HTML5 Canvas, there’s a really annoying security issue anytime you try and read the pixels of your canvas (for example: hit detection). Basically, it will error out, and force you to test on a web server, which is a pain. This affects all major browsers except...

A few months ago, I decided to add an Upgrade option to one of my apps: TouchUp Lite for iOS. I wanted to use the In App Purchase API to allow people to instantly upgrade their Lite version to Pro. It turned out to be one of the best decisions...

We’re extremely excited to announce the release of our latest creation, PicShop Photo Editor! Available today for both iPad and Android. Where TouchUp was good for your basic edits, PicShop takes it one step further offering you more power, more options and a much improved design. For more details, check...

Although GPU Render Mode is quite fast, one downside to using it is that scale-9 movieClips will not work properly. Luckily, this is easily solved by using a Bitmap and a Command created by Grant Skinner. Check here for details: http://gskinner.com/blog/archives/2010/04/bitmapslice9_sc.html To Use: Enable 9-Slice on your MovieClip Import a...

I’ve mentioned this in previous tutorials, but I keep forgetting to make a point out of it. One great performance trick when using gpu renderMode on mobile, is to add this single line of code: stage.quality = “low”; On Android and Playbook, this can almost double your framerate without comprimising...