public SkeletonRegionRenderer(GraphicsDevice device)
{
this.device = device;
batcher = new RegionBatcher();
effect = new BasicEffect(device);
effect.World = Matrix.Identity;
effect.View = Matrix.CreateLookAt(new Vector3(0.0f, 0.0f, 1.0f), Vector3.Zero, Vector3.Up);
effect.TextureEnabled = true;
effect.VertexColorEnabled = true;
rasterizerState = new RasterizerState();
rasterizerState.CullMode = CullMode.None;
Bone.yDown = true;
}