devNotes 9-14-16 Double Slider UI Work

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class UI_Control : MonoBehaviour {

    public Slider Col1_Sld;
    public Slider Col2_Sld;

    public RectTransform pan1;
    public RectTransform pan2;
    public RectTransform pan2Child;
    public RectTransform pan3;

    public Text val_1_Txt;
    public Text val_2_Txt;
    public Text val_3_Txt;

    public void onColSld()
    {
        float valSld1 = Col1_Sld.value;
        float valSld2 = Col2_Sld.value;

        val_1_Txt.text = valSld1.ToString("F2");

        float remainder = (1 - valSld1);
        float val2 = remainder * valSld2;
        val_2_Txt.text = val2.ToString("F2");
        float val3 = remainder * (1 - valSld2);
        val_3_Txt.text = val3.ToString("F2");

        RectTransform Sld2rct = Col2_Sld.GetComponent<RectTransform>();

        float width = baseSld2_rct.sizeDelta.x;
        float dx = valSld1 * width;

        Sld2rct.sizeDelta = new Vector2(baseSld2_rct.sizeDelta.x - dx, baseSld2_rct.sizeDelta.y);

        width = basePan1_rct.sizeDelta.x;
        dx = valSld1 * width;
        pan1.sizeDelta = new Vector2(dx, basePan1_rct.sizeDelta.y);

        width = basePan3_rct.sizeDelta.x;
        float width2 = Sld2rct.sizeDelta.x;
        float dx1 = valSld1 * width + valSld2 * width2;
        pan3.sizeDelta = new Vector2(basePan3_rct.sizeDelta.x - dx1, basePan3_rct.sizeDelta.y);

        dx = valSld1;
        pan2.pivot = new Vector2(basePan2Pivot.x - dx, basePan2Pivot.y);
        width = basePan2Child_rct.sizeDelta.x;
        dx = (valSld1) * width + (1-valSld2) * width2;
        pan2Child.sizeDelta = new Vector2(basePan2Child_rct.sizeDelta.x - dx, basePan2Child_rct.sizeDelta.y);
        //pan2.sizeDelta = new Vector2(basePan2_rct.sizeDelta.x - dx1, basePan2_rct.sizeDelta.y);

    }

    RectTransform baseSld1_rct;
    RectTransform baseSld2_rct;
    RectTransform basePan1_rct;
    RectTransform basePan2_rct;
    RectTransform basePan3_rct;
    RectTransform basePan2Child_rct;

    Vector2 basePan2Pivot;

	void Start ()
    {

        baseSld1_rct = Col1_Sld.GetComponent<RectTransform>(); //does not change;
        baseSld2_rct = Instantiate(Col2_Sld.GetComponent<RectTransform>());

        basePan1_rct = Instantiate(pan1);
        basePan2_rct = Instantiate(pan2);
        basePan3_rct = Instantiate(pan3);
        basePan2Pivot = pan2.pivot;
        basePan2Child_rct = Instantiate(pan2Child);
    }
}