EditorWindow.Repaint

Description

Make the window repaint.

Randomize the rotation of the Selected Objects.

// Simple script that randomizes the rotation of the Selected GameObjects
// and lets you see which objects are currently selected

using UnityEngine;
using UnityEditor;

public class RandomizeInSelection : EditorWindow
{
    string selected = "";
    public float rotationAmount = 0.33f;

    [MenuItem("Example/Randomize Children In Selection")]
    static void Init()
    {
        RandomizeInSelection window =
            EditorWindow.GetWindow<RandomizeInSelection>(true, "Select Randomized Selected Objects");
        window.ShowUtility();
    }

    void OnInspectorUpdate()
    {
        Repaint();
    }

    void OnGUI()
    {
        foreach (var transform in Selection.transforms)
            selected += transform.name + " ";

        EditorGUILayout.LabelField("Selected Object:", selected);

        selected = "";
        if (GUILayout.Button("Randomize!"))
            RandomizeSelected();

        if (GUILayout.Button("Close"))
            this.Close();
    }

    void RandomizeSelected()
    {
        foreach (var transform in Selection.transforms)
        {
            var rotation = Random.rotation;
            transform.localRotation =
                Quaternion.Slerp(transform.localRotation, rotation, rotationAmount);
        }
    }
}