public void SetDefaultWorldCamera(Vector3 target)
{
// Do a little trigonometry, we want to look at our target from a distance of 1500 units at an angle of 70deg
var distance = 2000;
var angle = MathHelper.DegreesToRadians(60);
var location = target + new Vector3(0, -distance * (float)Math.Cos(angle), distance * (float)Math.Sin(angle));
var cameraMatrix = Matrix4.CreateRotationY(angle) * Matrix4.CreateRotationZ(MathHelper.PiOver2) * Matrix4.CreateTranslation(location);
// Set camera
ActiveCamera = new Camera(cameraMatrix, "worldspawn");
}