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//----------------------------------------------
//            NGUI: Next-Gen UI kit
// Copyright © 2011-2012 Tasharen Entertainment
//----------------------------------------------
 
using UnityEngine;
 
/// <summary>
/// Tween the object's alpha.
/// </summary>
 
[AddComponentMenu("NGUI/Tween/Alpha")]
public class TweenAlpha : UITweener
{
    public float from = 1f;
	public float to = 1f;
 
	Transform mTrans;
	UIWidget mWidget;
 
	/// <summary>
	/// Current alpha.
	/// </summary>
 
	public float alpha { get { return mWidget.alpha; } set { mWidget.alpha = value; } }
 
	/// <summary>
	/// Find all needed components.
	/// </summary>
 
	void Awake () { mWidget = GetComponentInChildren<UIWidget>(); }
 
	/// <summary>
	/// Interpolate and update the alpha.
	/// </summary>
 
	override protected void OnUpdate (float factor, bool isFinished) { alpha = Mathf.Lerp(from, to, factor); }
 
	/// <summary>
	/// Start the tweening operation.
	/// </summary>
 
	static public TweenAlpha Begin (GameObject go, float duration, float alpha)
	{
		TweenAlpha comp = UITweener.Begin<TweenAlpha>(go, duration);
		comp.from = comp.alpha;
		comp.to = alpha;
		return comp;
	}
}

prog.cs(6,7): error CS0246: The type or namespace name `UnityEngine' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(18,9): error CS0246: The type or namespace name `Transform' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(19,9): error CS0246: The type or namespace name `UIWidget' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(37,33): error CS0115: `TweenAlpha.OnUpdate(float, bool)' is marked as an override but no suitable method found to override
prog.cs(12,2): error CS0246: The type or namespace name `AddComponentMenu' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(12,2): error CS0246: The type or namespace name `AddComponentMenuAttribute' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(43,41): error CS0246: The type or namespace name `GameObject' could not be found. Are you missing a using directive or an assembly reference?
Compilation failed: 7 error(s), 0 warnings

Standard output is empty