CopyTransform

// TransformCopier.cs v 1.1
// homepage: http://wiki.unity3d.com/index.php/CopyTransform

using UnityEngine;
using UnityEditor;
using System.Collections;

public class TransformCopier : ScriptableObject {

    private static Vector3 position;
    private static Quaternion rotation;
    private static Vector3 scale;
    private static string myName;

    [MenuItem ("Window/Transform Copier/Copy",false,)]
    static void DoRecord () {
        position = Selection.activeTransform.localPosition;
        rotation = Selection.activeTransform.localRotation;
        scale = Selection.activeTransform.localScale;
        myName = Selection.activeTransform.name;
        EditorUtility.DisplayDialog("Transform Copy", "Local position, rotation, & scale of "+myName +" copied relative to parent.", "OK", "");
    }

    // PASTE POSITION:
    [MenuItem ("Window/Transform Copier/Paste Position",false,)]
    static void DoApplyPositionXYZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localPosition = position;
    }

    [MenuItem ("Window/Transform Copier/Paste Position X",false,)]
    static void DoApplyPositionX () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localPosition = new Vector3(position.x, selection.localPosition.y, selection.localPosition.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Position Y",false,)]
    static void DoApplyPositionY () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localPosition = new Vector3(selection.localPosition.x, position.y, selection.localPosition.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Position Z",false,)]
    static void DoApplyPositionZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localPosition = new Vector3(selection.localPosition.x, selection.localPosition.y, position.z);
    }

    // PASTE ROTATION:
    [MenuItem ("Window/Transform Copier/Paste Rotation",false,)]
    static void DoApplyRotationXYZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = rotation;
    }

    [MenuItem ("Window/Transform Copier/Paste Rotation X",false,)]
    static void DoApplyRotationX () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = Quaternion.Euler(rotation.eulerAngles.x, selection.localRotation.eulerAngles.y, selection.localRotation.eulerAngles.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Rotation Y",false,)]
    static void DoApplyRotationY () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = Quaternion.Euler(selection.localRotation.eulerAngles.x, rotation.eulerAngles.y, selection.localRotation.eulerAngles.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Rotation Z",false,)]
    static void DoApplyRotationZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = Quaternion.Euler(selection.localRotation.eulerAngles.x, selection.localRotation.eulerAngles.y, rotation.eulerAngles.z);
    }

    // PASTE SCALE:
    [MenuItem ("Window/Transform Copier/Paste Scale",false,)]
    static void DoApplyScaleXYZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localScale = scale;
    }

    [MenuItem ("Window/Transform Copier/Paste Scale X",false,)]
    static void DoApplyScaleX () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localScale = new Vector3(scale.x, selection.localScale.y, selection.localScale.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Scale Y",false,)]
    static void DoApplyScaleY () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localScale = new Vector3(selection.localScale.x, scale.y, selection.localScale.z);
    }

    [MenuItem ("Window/Transform Copier/Paste Scale Z",false,)]
    static void DoApplyScaleZ () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localScale = new Vector3(selection.localScale.x, selection.localScale.y, scale.z);
    }

    // CHANGE LOCAL ROTATION :
    [MenuItem ("Window/Transform Copier/localRotation.x + 90",false,)]
    static void localRotateX90 () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = selection.localRotation*Quaternion.Euler(90f,0f,0f);
    }

    [MenuItem ("Window/Transform Copier/localRotation.y + 90",false,)]
    static void localRotateY90 () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = selection.localRotation*Quaternion.Euler(0f,90f,0f);
    }

    [MenuItem ("Window/Transform Copier/localRotation.z + 90",false,)]
    static void localRotateZ90 () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localRotation = selection.localRotation*Quaternion.Euler(0f,0f,90f);
    }

    // SWAP:
    [MenuItem ("Window/Transform Copier/Swap Y and Z Scale", false, )]
    static void SwapYZScale () {
        Transform[] selections  = Selection.transforms;
        foreach (Transform selection  in selections) selection.localScale = new Vector3 (selection.localScale.x,selection.localScale.z,selection.localScale.y);
    }
}