public override void UpdateViewMatrix()
{
if (Beta < MinBeta)
{
Beta = MinBeta;
}
var sideRadius = Radius * Beta.Cos();
var height = Radius * Beta.Sin();
if (Target.Y + height < MinY)
{
height = MinY - Target.Y;
}
Position = new Vector3(
Target.X + sideRadius * Alpha.Cos(),
Target.Y + height,
Target.Z + sideRadius * Alpha.Sin());
SetView(Matrix.LookAtRH(Position, Target, GetUpTilt(Target, Vector3.UnitY)));
Right = new Vector3(View.M11, View.M21, View.M31);
Right.Normalize();
Up = new Vector3(View.M12, View.M22, View.M32);
Up.Normalize();
Look = -new Vector3(View.M13, View.M23, View.M33);
Look.Normalize();
}