UnityTricksAndCodeSpippet/CustomUILayout at master · Ribosome2/UnityTricksAndCodeSpippet · GitHub

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using UnityEngine;
using UnityEngine.Serialization;

namespace AnimationOrTween
{
    [System.Serializable]
    public class ChildLayoutConfig
    {
        public Vector3 Pos;
        public Vector3 Rot;
    }
    /// <summary>
    /// 子对象按照摆好的位置和朝向布局
    /// </summary>
    [ExecuteInEditMode]
    public class CustomUILayout : MonoBehaviour
    {
        public ChildLayoutConfig[] ChildConfigs;
        void Update()
        {
            UpdateLayout();
        }
        public void UpdateLayout()
        {
            if (ChildConfigs != null && ChildConfigs.Length > 0)
            {
                int Index = 0;
                int childCount = transform.childCount;

                for (int i = 0; i < childCount; i++)
                {
                    var child = transform.GetChild(i);
                    if (Index >= ChildConfigs.Length)
                    {
                        break;
                    }
                    if (child.gameObject.activeSelf)
                    {
                        var config = ChildConfigs[Index];
                        if (child.transform.localPosition != config.Pos)
                        {
                            child.transform.localPosition = config.Pos;
                        }

                        if (child.transform.localEulerAngles != config.Rot)
                        {
                            child.transform.localEulerAngles = config.Rot;
                        }

                        Index++;
                    }
                }
            }

        }
    }
}


using AnimationOrTween;
using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(CustomUILayout), true)]
public class CustomLayoutEditor : Editor
{
    public override void OnInspectorGUI()
    {
        GUILayout.Space(6f);
        CustomUILayout script = target as CustomUILayout;
        base.OnInspectorGUI();

    }


    void OnSceneGUI()
    {
        CustomUILayout script = target as CustomUILayout;
        if (script)
        {
            for (int i = 0; i < script.ChildConfigs.Length; i++)
            {
                var config = script.ChildConfigs[i];
                var worldPos = script.transform.TransformPoint(config.Pos);
                var worldDir = script.transform.TransformVector(config.Rot);
                Handles.Label(worldPos,"Child"+i);
                var worldRotation = new Quaternion();
                worldRotation.eulerAngles = worldDir;

                if (Tools.current == Tool.Move)
                {
                    config.Pos =script.transform.InverseTransformPoint(Handles.PositionHandle(worldPos, worldRotation));
                }
                else if(Tools.current==Tool.Rotate)
                {
                    config.Rot = script.transform.InverseTransformVector(Handles.RotationHandle(worldRotation, worldPos).eulerAngles);
                }

                if (GUI.changed)
                {
                    script.UpdateLayout();
                }
            }
        }

    }

}