add

Assets/CoolapeFrame/3rd/NGUI_Enhance/Examples/Scripts/Other/Spin.cs

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+using UnityEngine;
+
+/// <summary>
+/// Want something to spin? Attach this script to it. Works equally well with rigidbodies as without.
+/// </summary>
+
+[AddComponentMenu("NGUI/Examples/Spin")]
+public class Spin : MonoBehaviour
+{
+	public Vector3 rotationsPerSecond = new Vector3(0f, 0.1f, 0f);
+	public bool ignoreTimeScale = false;
+
+	Rigidbody mRb;
+	Transform mTrans;
+
+	void Start ()
+	{
+		mTrans = transform;
+		mRb = GetComponent<Rigidbody>();
+	}
+
+	void Update ()
+	{
+		if (mRb == null)
+		{
+			ApplyDelta(ignoreTimeScale ? RealTime.deltaTime : Time.deltaTime);
+		}
+	}
+
+	void FixedUpdate ()
+	{
+		if (mRb != null)
+		{
+			ApplyDelta(Time.deltaTime);
+		}
+	}
+
+	public void ApplyDelta (float delta)
+	{
+		delta *= Mathf.Rad2Deg * Mathf.PI * 2f;
+		Quaternion offset = Quaternion.Euler(rotationsPerSecond * delta);
+
+		if (mRb == null)
+		{
+			mTrans.rotation = mTrans.rotation * offset;
+		}
+		else
+		{
+			mRb.MoveRotation(mRb.rotation * offset);
+		}
+	}
+}