An animation clip is the runtime equivalent of the Microsoft.Xna.Framework.Content.Pipeline.Graphics.AnimationContent type. It holds all the keyframes needed to describe a single animation
Class that stores information about the graphics and physics models that are the same for each instance of the model that appears in the game world. GameModelInstance stores information that is unique to each use of the GameModel in the world, such as the animation details
1.8.0 
