public override void Update(GameTime gameTime)
{
// Create the Transform used by any
// spritebatch process
Transform = Matrix.Identity *
Matrix.CreateTranslation(-Position.X, -Position.Y, 0) *
Matrix.CreateRotationZ(Rotation) *
Matrix.CreateTranslation(Origin.X, Origin.Y, 0) *
Matrix.CreateScale(new Vector3(Scale, Scale, Scale));
Origin = ScreenCenter / Scale;
// Move the Camera to the position that it needs to go
var delta = (float)gameTime.ElapsedGameTime.TotalSeconds;
_position.X += (Focus.Get <TransformPart>().GetPositionX - Position.X) * MoveSpeed * delta;
_position.Y += (Focus.Get <TransformPart>().GetPositionY - Position.Y) * MoveSpeed * delta;
base.Update(gameTime);
}