using UnityEngine;

namespace uc
{
    public static class RectExtensions
    {
        public static Rect FitIntoRect(this Rect rect, Rect target)
        {
            float srcAspect = rect.width/ rect.height;
            float dstAspect = target.width / target.height;

            Rect rr = target;
            if (srcAspect > dstAspect)
            {
                float h = rr.height;
                rr.height = rr.width / srcAspect;
                rr.y += h * 0.5f - rr.height * 0.5f;
            }
            else
            {
                float w = rr.width;
                rr.width = rr.height * srcAspect;
                rr.x += w * 0.5f - rr.width * 0.5f;
            }

            return rr;
        }
    }

}