XRLib/Assets/Scripts/UVC/Extention/RectTransformEx.cs

using UnityEngine;


namespace UVC.Extension
{
    /// <summary>
    /// RectTransform<72><6D> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Ȯ<><C8AE> <20>޼<EFBFBD><DEBC>带 <20><><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD> Ŭ<><C5AC><EFBFBD><EFBFBD><EFBFBD>Դϴ<D4B4>.
    /// </summary>
    public static class RectTransformEx
    {
        /// <summary>
        /// RectTransform<72><6D> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>. <20>θ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ü <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>¿<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// <20><>Ŀ<EFBFBD><C4BF> <20>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD> <20>𼭸<EFBFBD><F0BCADB8><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>˴ϴ<CBB4>(anchorMin=[0,0], anchorMax=[1,1]).
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <param name="left"><3E><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD></param>
        /// <param name="right"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD></param>
        /// <param name="top"><3E><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD></param>
        /// <param name="bottom"><3E>Ʒ<EFBFBD><C6B7><EFBFBD> <20><><EFBFBD><EFBFBD></param>
        /// <example>
        /// <code>
        /// // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE> RectTransform<72><6D> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// RectTransform panelRect = panel.GetComponent<RectTransform>();
        /// panelRect.SetRectMargin(10f, 10f, 10f, 10f); // <20><><EFBFBD><EFBFBD> 10<31>ȼ<EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// 
        /// // UI <20><><EFBFBD>Ҹ<EFBFBD> <20>θ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>̳ʿ<CCB3> <20><><EFBFBD>ߵ<EFBFBD> <20><><EFBFBD><EFBFBD> <20>ֱ<EFBFBD>
        /// RectTransform childRect = childObject.GetComponent<RectTransform>();
        /// childRect.SetRectMargin(5f, 5f, 20f, 5f); // <20><><EFBFBD>ܿ<EFBFBD> <20><> ū <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// </code>
        /// </example>
        public static void SetRectMargin(this RectTransform trans, float left, float right, float top, float bottom)
        {
            trans.anchorMin = new Vector2(0, 0);
            trans.anchorMax = new Vector2(1f, 1f);
            trans.offsetMin = new Vector2(left, bottom);
            trans.offsetMax = new Vector2(-right, -top);
        }

        /// <summary>
        /// RectTransform<72><6D> <20>ʺ<EFBFBD><CABA><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <param name="width"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ʺ<EFBFBD></param>
        /// <example>
        /// <code>
        /// // <20><>ư<EFBFBD><C6B0> <20>ʺ<EFBFBD><CABA><EFBFBD> 200<30><30><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// RectTransform buttonRect = button.GetComponent<RectTransform>();
        /// buttonRect.SetWidth(200f);
        /// </code>
        /// </example>
        public static void SetWidth(this RectTransform trans, float width)
        {
            trans.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, width);
        }

        /// <summary>
        /// RectTransform<72><6D> <20><><EFBFBD≯<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <param name="height"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD></param>
        /// <example>
        /// <code>
        /// // <20>г<EFBFBD><D0B3><EFBFBD> <20><><EFBFBD≯<EFBFBD> 150<35><30><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// RectTransform panelRect = panel.GetComponent<RectTransform>();
        /// panelRect.SetHeight(150f);
        /// </code>
        /// </example>
        public static void SetHeight(this RectTransform trans, float height)
        {
            trans.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, height);
        }

        /// <summary>
        /// RectTransform<72><6D> ũ<>⸦ <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <param name="size"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ũ<><C5A9> (<28>ʺ<EFBFBD>, <20><><EFBFBD><EFBFBD>)</param>
        /// <example>
        /// <code>
        /// // <20>̹<EFBFBD><CCB9><EFBFBD><EFBFBD><EFBFBD> ũ<>⸦ 100x100<30><30><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        /// RectTransform imageRect = image.GetComponent<RectTransform>();
        /// imageRect.SetSize(new Vector2(100f, 100f));
        /// </code>
        /// </example>
        public static void SetSize(this RectTransform trans, Vector2 size)
        {
            trans.SetWidth(size.x);
            trans.SetHeight(size.y);
        }

        /// <summary>
        /// RectTransform<72><6D> <20><>Ŀ<EFBFBD><C4BF> <20>߾ӿ<DFBE> <20><>ġ<EFBFBD><C4A1>Ű<EFBFBD><C5B0> <20>ǹ<EFBFBD><C7B9><EFBFBD> <20>߾<EFBFBD><DFBE><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <example>
        /// <code>
        /// // <20><>ư<EFBFBD><C6B0> ȭ<><C8AD> <20>߾ӿ<DFBE> <20><>ġ<EFBFBD><C4A1>Ű<EFBFBD><C5B0>
        /// RectTransform buttonRect = button.GetComponent<RectTransform>();
        /// buttonRect.SetAnchorsToCenter();
        /// buttonRect.anchoredPosition = Vector2.zero; // <20>߾<EFBFBD> <20><>ġ<EFBFBD><C4A1> <20><>ġ
        /// </code>
        /// </example>
        public static void SetAnchorsToCenter(this RectTransform trans)
        {
            trans.anchorMin = new Vector2(0.5f, 0.5f);
            trans.anchorMax = new Vector2(0.5f, 0.5f);
            trans.pivot = new Vector2(0.5f, 0.5f);
        }

        /// <summary>
        /// RectTransform<72><6D> <20><>Ŀ<EFBFBD><C4BF> <20>ǹ<EFBFBD><C7B9><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <example>
        /// <code>
        /// // UI <20><><EFBFBD>Ҹ<EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD>ܿ<EFBFBD> <20><>ġ<EFBFBD><C4A1>Ű<EFBFBD><C5B0>
        /// RectTransform elementRect = element.GetComponent<RectTransform>();
        /// elementRect.SetAnchorsToTopLeft();
        /// elementRect.anchoredPosition = new Vector2(10f, -10f); // <20>ణ<EFBFBD><E0B0A3> <20><><EFBFBD><EFBFBD> <20>߰<EFBFBD>
        /// </code>
        /// </example>
        public static void SetAnchorsToTopLeft(this RectTransform trans)
        {
            trans.anchorMin = new Vector2(0f, 1f);
            trans.anchorMax = new Vector2(0f, 1f);
            trans.pivot = new Vector2(0f, 1f);
        }

        /// <summary>
        /// RectTransform<72><6D> <20>θ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>(<28><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>).
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <example>
        /// <code>
        /// // <20><><EFBFBD><EFBFBD> <20>̹<EFBFBD><CCB9><EFBFBD><EFBFBD><EFBFBD> <20>г<EFBFBD> <20><>ü<EFBFBD><C3BC> ä<><C3A4><EFBFBD><EFBFBD>
        /// RectTransform backgroundRect = backgroundImage.GetComponent<RectTransform>();
        /// backgroundRect.StretchToParentEdges();
        /// </code>
        /// </example>
        public static void StretchToParentEdges(this RectTransform trans)
        {
            trans.SetRectMargin(0f, 0f, 0f, 0f);
        }

        /// <summary>
        /// RectTransform<72><6D> <20><>ġ<EFBFBD><C4A1> <20>θ<EFBFBD> RectTransform <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><>ġ(0~1)<29><> <20><><EFBFBD><EFBFBD><EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <param name="normalizedPosition"><3E><><EFBFBD><EFBFBD>ȭ<EFBFBD><C8AD> <20><>ġ (0,0=<3D><><EFBFBD><EFBFBD> <20>ϴ<EFBFBD>, 1,1=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>)</param>
        /// <example>
        /// <code>
        /// // <20><><EFBFBD>Ҹ<EFBFBD> <20>θ<EFBFBD><CEB8><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ܿ<EFBFBD> <20><>ġ
        /// RectTransform elementRect = element.GetComponent<RectTransform>();
        /// elementRect.SetNormalizedPosition(new Vector2(0.95f, 0.95f));
        /// </code>
        /// </example>
        public static void SetNormalizedPosition(this RectTransform trans, Vector2 normalizedPosition)
        {
            if (trans.parent is RectTransform parent)
            {
                trans.anchorMin = trans.anchorMax = new Vector2(0, 0);
                trans.pivot = new Vector2(0.5f, 0.5f);

                Rect parentRect = parent.rect;
                float x = parentRect.x + parentRect.width * normalizedPosition.x;
                float y = parentRect.y + parentRect.height * normalizedPosition.y;

                trans.anchoredPosition = new Vector2(x, y);
            }
        }

        /// <summary>
        /// RectTransform<72><6D> <20>簢<EFBFBD><E7B0A2> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><>ǥ<EFBFBD><C7A5> <20><>ȯ<EFBFBD>մϴ<D5B4>.
        /// </summary>
        /// <param name="trans"><3E><><EFBFBD><EFBFBD> RectTransform</param>
        /// <returns><3E><><EFBFBD><EFBFBD> <20><>ǥ<EFBFBD><C7A5><EFBFBD><EFBFBD> <20>簢<EFBFBD><E7B0A2> <20><><EFBFBD><EFBFBD></returns>
        /// <example>
        /// <code>
        /// // UI <20><><EFBFBD>Ұ<EFBFBD> Ư<><C6AF> <20><><EFBFBD><EFBFBD> <20><>ǥ<EFBFBD><C7A5> <20><><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD> Ȯ<><C8AE>
        /// RectTransform elementRect = element.GetComponent<RectTransform>();
        /// Rect worldRect = elementRect.GetWorldRect();
        /// Vector3 worldPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
        /// bool isOverUI = worldRect.Contains(new Vector2(worldPos.x, worldPos.y));
        /// </code>
        /// </example>
        public static Rect GetWorldRect(this RectTransform trans)
        {
            Vector3[] corners = new Vector3[4];
            trans.GetWorldCorners(corners);
            Vector2 min = corners[0];
            Vector2 max = corners[2];
            return new Rect(min, max - min);
        }
    }
}