Squares is an easy-to-use, customizable AS3 component, wich is accessible through pure actionscript (squares API),or into the flash Authoring Tool, using the related component. Into the package you will find: A complete user manual (.pdf) with fully explained tutorials. Check it out for a quick reference! Source files for manual's tutorials. Some usefull examples; squares API documentation into the "docs/" folder. squares uses 'Tweener' as tweening engine. You can have a look to the Tweener Transitions cheatsheet to have a complete overview of all available transitions:
