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SceneKit

SceneKit, sometimes rendered Scene Kit, is a 3d graphics application programming interface (API) for Apple Inc. platforms written in Objective-C. It is a mid-level framework designed to provide an easy-to-use layer over the lower level APIs like OpenGL and Metal. SceneKit maintains an object based scene graph, along with a physics engine, particle system, and links to Core Animation and other frameworks to easily animate that display. SceneKit views can be mixed with other views, for instance, allowing a SpriteKit 2d display to be mapped onto the surface of an object in SceneKit, or a UIBezierCurve from Core Graphics to define the geometry of a SceneKit object. SceneKit also supports import and export of 3D scenes using the COLLADA format. SceneKit was first released for Mac OS in 2012, and iOS in 2014.