Change material color with a three slider

Question

Hi everyone,

I'm a beginner in programming and I'm trying to change the color of my material by using a UI with 3 sliders. I manage to change the color with the slider but it's only affect the script and not the material (I create a visualization of the color in the script, that I can see in the inspector of my mesh).

I'm very closed, I just need to match my color with the one of material and it will be good and I can't found how to do it.

Here the code:

 public Color altColor;
 public Renderer rend;
 public Material colors;
 void slider()
 {
     altColor.r = 0.5f;
     altColor.g = 0.5f;
     altColor.b = 1.0f;
 }
 void Start ()
 {
     slider();
     Renderer rend = GetComponent<Renderer>();
     rend.material.color = altColor;
     //Material rend = GetComponent<Material>();
     //rend.material.colorRed = altColor;
 }
 
 public void colorRed (float newRed)
 {
     altColor.r = newRed;
 }
 public void colorGreen(float newGreen)
 {
     altColor.g = newGreen;
 }
 public void colorBlue(float newBlue)
 {
     altColor.b = newBlue;
 }
 // Update is called once per frame
 void Update () {
 
 }

Answer 1

Thanks @alucardj for the corrective comment...here is my updated answer. (I removed the slider function and call because I'm assuming that's there only for testing?)

 using UnityEngine;
 using System.Collections;
 
 public class ColorChanger : MonoBehaviour {
     public Color altColor;
     private Renderer rend;
 
     void Start ()
     {
         // Make sure you only get the rend component here
         // because when you get the color, you only store the
         // values of the color, not access to the color of 
         // the material.
         //
         // Also, 'rend' accesses the declared, private renderer
         // so this CAN'T be:
         //
         // Renderer rend = GetComponent<Renderer>();
         //
         // because that would store a new 'rend' that would not be 
         // accessible outside of this function.
         rend = GetComponent<Renderer>();
     }
 
     // set r, g, and b floats with slider
     public void colorRed (float newRed)
     {
         altColor.r = newRed;
         // Here we get the color of the 'gotten' Renderer
         rend.material.color = altColor;
     }
     public void colorGreen(float newGreen)
     {
         altColor.g = newGreen;
         rend.material.color = altColor;
     }
     public void colorBlue(float newBlue)
     {
         altColor.b = newBlue;
         rend.material.color = altColor;
     }
 }

Change material color with a three slider

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