換顏色 紅 綠 藍

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System;
using System.Linq;
using System.Collections.Generic;

public class NewBehaviourScript : MonoBehaviour {

// Use this for initialization
void Start () {

}

// Update is called once per frame
void Update () {

}

public void myfun()
{
float rnum=0;
float gnum=0;
float bnum=0;
rnum=GameObject.Find("Slider").GetComponent<Slider>().value;
gnum=GameObject.Find("Slider1").GetComponent<Slider>().value;
bnum=GameObject.Find("Slider2").GetComponent<Slider>().value;
Text mytxt=GameObject.Find("Text").GetComponent<Text>();
Text mytxt1=GameObject.Find("Text1").GetComponent<Text>();
Text mytxt2=GameObject.Find("Text2").GetComponent<Text>();
mytxt.text =rnum.ToString();
mytxt1.text =rnum.ToString();
mytxt2.text =rnum.ToString();
Image img = GameObject.Find ("Image").GetComponent<Image> ();
Image img1 = GameObject.Find ("Image1").GetComponent<Image> ();
Image img2 = GameObject.Find ("Image2").GetComponent<Image> ();
Image img4 = GameObject.Find ("Image4").GetComponent<Image> ();
img.color = new Color(rnum, 0.0F, 0.0F, 1.0F); // (紅red,綠green,藍blue,透明)
img1.color = new Color(0.0F, gnum, 0.0F, 1.0F); // (紅red,綠green,藍blue,透明)
img2.color = new Color(0.0F, 0.0F, bnum, 1.0F); // (紅red,綠green,藍blue,透明)
img4.color = img.color+img.color+img1.color+img2.color;
}
}