using UnityEngine;

using UnityEditor;

public class ExampleWindow : EditorWindow

{

    [MenuItem("Window/Colorizer")]

    public static void ShowWindow()

    {

        //Create Instance of Example Window

        GetWindow<ExampleWindow>("Colorizer");

    }

    private Color color;

    private void OnGUI()

    {

        //Show a label

        GUILayout.Label("Color the selected objects!",EditorStyles.boldLabel);

        //Show Input text field  Name: m_Name

        //string name = EditorGUILayout.TextField("Name", name);

        //name = EditorGUILayout.TextField("Name", name);

        color = EditorGUILayout.ColorField("Color", color);

        //Button

        if (GUILayout.Button("COLORIZE!"))

        {

            //Colorize objs which are selected

            Renderer renderer;

            foreach (GameObject obj in Selection.gameObjects)

            {

                renderer = obj.GetComponent<Renderer>();

                if (renderer != null)

                {

                    renderer.sharedMaterial.color = color;

                }

            }

        }

    }

}