### Scene Kit Material Editor ###
Demonstrates the capabilities of Scene Kit materials. The user interface allows to tweak many SCNMaterial and SCNMaterialProperty properties and offers a live preview on several built-in geometries.
This is the main controller for the application and handles the setup of the view and the creation of a scene. It declares properties for Cocoa Bindings extensively used in MainMenu.xib to display rich information about a node's geometry and its materials. An instance of this class resides in MainMenu.xib and uses an IBOutlet reference for the view (which has been wired up through Interface Builder).
A subclass of SCNView that handles mouse events to rotate a specific node only.
Declare and implement value transformers needed in the user interface for bindings.
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