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    NGUIのUIScrollBarのバグ?

    UIScrollBarにてスクロールすると、勝手にforegroundのバーの大きさがbackground
    のサイズに合わさってしまう。

    このように関係ない方向が修正されないようにしたがこれでいいのか?

    	public void ForceUpdate ()
    	{
    		mIsDirty = false;
    
    		if (mBG != null && mFG != null)
    		{
    			mSize = Mathf.Clamp01(mSize);
    			mScroll = Mathf.Clamp01(mScroll);
    
    			Vector4 bg = mBG.border;
    			Vector4 fg = mFG.border;
    
    			// Space available for the background
    			Vector2 bgs = new Vector2(
    				Mathf.Max(0f, mBG.cachedTransform.localScale.x - bg.x - bg.z),
    				Mathf.Max(0f, mBG.cachedTransform.localScale.y - bg.y - bg.w));
    
    			float val = mInverted ? 1f - mScroll : mScroll;
    
    			if (mDir == Direction.Horizontal)
    			{
    				Vector2 fgs = new Vector2(bgs.x * mSize, bgs.y);
    
    				mFG.pivot = UIWidget.Pivot.Left;
    				mBG.pivot = UIWidget.Pivot.Left;
    				mBG.cachedTransform.localPosition = Vector3.zero;
    				mFG.cachedTransform.localPosition = new Vector3(bg.x - fg.x + (bgs.x - fgs.x) * val, 0f, 0f);
    				//mFG.cachedTransform.localScale = new Vector3(fgs.x + fg.x + fg.z, fgs.y + fg.y + fg.w, 1f);
    				// modified by shinriyo
    				mFG.cachedTransform.localScale = new Vector3(fgs.x + fg.x + fg.z, mFG.cachedTransform.localScale.y, 1f);
    				if (val < 0.999f && val > 0.001f) mFG.MakePixelPerfect();
    			}
    			else//vertical
    			{
    				Vector2 fgs = new Vector2(bgs.x, bgs.y * mSize);
    
    				mFG.pivot = UIWidget.Pivot.Top;
    				mBG.pivot = UIWidget.Pivot.Top;
    				mBG.cachedTransform.localPosition = Vector3.zero;
    				mFG.cachedTransform.localPosition = new Vector3(0f, -bg.y + fg.y - (bgs.y - fgs.y) * val, 0f);
    //				mFG.cachedTransform.localScale = new Vector3(fgs.x + fg.x + fg.z, fgs.y + fg.y + fg.w, 1f);
    				// modified by shinriyo
    				mFG.cachedTransform.localScale = new Vector3(mFG.cachedTransform.localScale.x, fgs.y + fg.y + fg.w, 1f);
    				if (val < 0.999f && val > 0.001f) mFG.MakePixelPerfect();
    			}
    		}
    	}