Menu学习

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using UnityEditor;

using UnityEngine;

public class Menu : MonoBehaviour {

    // Add a menu item named "Do Something" to MyMenu in the menu bar.

    [MenuItem ("MyMenu/Do Something")]

    static void DoSomething () {

        Debug.Log ("Doing Something...");

    }

    // Validated menu item.

    // Add a menu item named "Log Selected Transform Name" to MyMenu in the menu bar.

    // We use a second function to validate the menu item

    // so it will only be enabled if we have a transform selected.

    [MenuItem ("MyMenu/Log Selected Transform Name")]

    static void LogSelectedTransformName ()

    {

        Debug.Log ("Selected Transform is on " + Selection.activeTransform.gameObject.name + ".");

    }

    // Validate the menu item defined by the function above.

    // The menu item will be disabled if this function returns false.

    [MenuItem ("MyMenu/Log Selected Transform Name", true)]

    static bool ValidateLogSelectedTransformName () {

        // Return false if no transform is selected.

        return Selection.activeTransform != null;

    }

    // Add a menu item named "Do Something with a Shortcut Key" to MyMenu in the menu bar

    // and give it a shortcut (ctrl-g on Windows, cmd-g on OS X).

    [MenuItem ("MyMenu/Do Something with a Shortcut Key %g")]

    static void DoSomethingWithAShortcutKey () {

        Debug.Log ("Doing something with a Shortcut Key...");

    }

    // Add a menu item called "Double Mass" to a Rigidbody's context menu.

    [MenuItem ("CONTEXT/Rigidbody/Double Mass")]

    static void DoubleMass (MenuCommand command) {

        Rigidbody body = (Rigidbody)command.context;

        body.mass = body.mass * ;

        Debug.Log ("Doubled Rigidbody's Mass to " + body.mass + " from Context Menu.");

    }

    // Add a menu item to create custom GameObjects.

    // Priority 1 ensures it is grouped with the other menu items of the same kind

    // and propagated to the hierarchy dropdown and hierarch context menus.

    [MenuItem("GameObject/MyCategory/Custom Game Object", false, )]

    static void CreateCustomGameObject(MenuCommand menuCommand) {

        // Create a custom game object

        GameObject go = new GameObject("Custom Game Object");

        // Ensure it gets reparented if this was a context click (otherwise does nothing)

        GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject);

        // Register the creation in the undo system

        Undo.RegisterCreatedObjectUndo(go, "Create " + go.name);

        Selection.activeObject = go;

    }

}