public static ImmutableTransform LookAt(this ImmutableTransform t, Vector3 lookTarget, Vector3 up) { var relativePosition = lookTarget - t.Position; return(t.UpdateRotation(Quaternion.LookRotation(relativePosition, up))); }
public static ImmutableTransform RotateWorld(this ImmutableTransform t, Quaternion rotation) { return(t.UpdateRotation(rotation * t.Rotation)); }