o NEW! Powerful scriptable animation editor 强大的脚本化动画编辑器
o NEW! Platform specific sprite collections 特定平台的精灵集合
o NEW! Full Unity4 support 支持Unity 4.0
o Non-rectangular and sliced sprites 非矩形切片精灵
o Fire & forget atlasing system. Atlases will be automatically regenerated when source files change
o Pixel perfect rendering Sprites• Fire and forget atlasing system. Set it up once, and it will be automatically regenerated when it needs to be.• Automatically cut up sprites, eliminates empty space in textures and saves altas area and fill-rate.• Supports arbitrarily sized sprites.• Set up anchor points so your sprites rotate at the right points, and to line up animated sprites.• Supports pixel perfect rendering on orthographic and perspective cameras.• Efficient batching system for background static sprites. Create combined static sprite meshes seamlessly and efficiently.• Scale sprites without breaking dynamic batching.• As much data as possible is precomputed offline, ***ntime transformations are kept to a minimum.• User friendly editor, creating and using sprites has never been simpler! Sprite Animations• Easily build large libraries of sprite animations for your projects.• Supports arbitrarily sized sprites for animation.• Sprites for animations can be sourced from any number of atlases.• Easy to use in-game API. Text• Use bitmap fonts created in BMFont / Hiero.• Tint and scale your text meshes without breaking dynamic batching.• Supports vertical gradients.
在线演示：http://www.unikronsoftware.com/2dtoolkit/2dtk150demo/ColliderDemo.html