public static (Vector2F position, Vector2F size, float angle, Vector2F center) TransformArea(RectF area, Matrix44F transform)
{
var pos3 = new Vector3F(area.Position.X, area.Position.Y, 0.0f);
var a = new Vector3F(area.Position.X + area.Size.X, area.Position.Y, 0.0f);
var b = new Vector3F(area.Position.X, area.Position.Y + area.Size.Y, 0.0f);
var pos3t = transform.Transform3D(pos3);
var at = transform.Transform3D(a);
var bt = transform.Transform3D(b);
var aDiff = at - pos3t;
var bDiff = bt - pos3t;
var position = new Vector2F(pos3t.X, pos3t.Y);
var size = new Vector2F(aDiff.Length, bDiff.Length);
var angle = MathF.Atan2(aDiff.Y, aDiff.X);
var center3 = pos3t + at * 0.5f + bt * 0.5f;
return(position, size, angle, new Vector2F(center3.X, center3.Y));
}
