using OpenTK.Mathematics;
using System.Drawing;

public class UISprite
{
    public Vector2 Position;  // Screen pixels (not normalized)
    public Vector2 Size;      // Size in pixels
    public Rectangle TextureRegion;  // Which part of atlas to use
    public Color Tint = Color.White;
    public float Rotation = 0f;
    public Vector2 Origin = Vector2.Zero;  // Rotation/scale origin

    public void Draw()
    {
        // Draw textured quad using TextureRegion coordinates
    }
}