MaterialPropertyBlockTest.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MaterialPropertyBlockTest : MonoBehaviour {


    public bool lerp;
    public float amplitude = 3f;

    [Header("Color Primary")]
    [Range(0, 1)]
    public float HueMin1 ;
    [Range(0, 1)]
    public float HueMax1 =1f;
    [Range(0, 1)]
    public float SaturationMin1;
    [Range(0, 1)]
    public float SaturationMax1=1f;
    [Range(0, 1)]
    public float ValueMin1;
    [Range(0, 1)]
    public float ValueMax1=1f;
    [Header("Color Secondary")]
    [Range(0, 1)]
    public float HueMin2;
    [Range(0, 1)]
    public float HueMax2=1f;
    [Range(0, 1)]
    public float SaturationMin2;
    [Range(0, 1)]
    public float SaturationMax2=1f;
    [Range(0, 1)]
    public float ValueMin2;
    [Range(0, 1)]
    public float ValueMax2=1f;
    [Header("Color Tertiary")]
    [Range(0, 1)]
    public float HueMin3;
    [Range(0, 1)]
    public float HueMax3=1f;
    [Range(0, 1)]
    public float SaturationMin3;
    [Range(0, 1)]
    public float SaturationMax3=1f;
    [Range(0, 1)]
    public float ValueMin3;
    [Range(0, 1)]
    public float ValueMax3=1f;

    Color randomColor;
    Color randomColor2;
    Color randomColor3;
    MeshRenderer renderer;
    MaterialPropertyBlock props;

    // Use this for initialization
    void Start () {
        props = new MaterialPropertyBlock();

        randomColor =  Random.ColorHSV(HueMin1, HueMax1, SaturationMin1, SaturationMax1, ValueMin1, ValueMax1);
        randomColor2 = Random.ColorHSV(HueMin2, HueMax2, SaturationMin2, SaturationMax2, ValueMin2, ValueMax2);
        randomColor3 = Random.ColorHSV(HueMin3, HueMax3, SaturationMin3, SaturationMax3, ValueMin3, ValueMax3);

        props.SetColor("_Color", randomColor);
        props.SetColor("_ColorSec", randomColor2);
        props.SetColor("_ColorTert", randomColor3);
        renderer = GetComponent<MeshRenderer>();
        renderer.SetPropertyBlock(props);
    }

    // Update is called once per frame
    void Update () {
       if (lerp)
       {
            props.SetColor("_Color", Color.Lerp(Color.cyan, Color.magenta, (Mathf.Sin(Time.time * amplitude + (transform.position.x + transform.position.z)) + 1) / 2f));
            renderer.SetPropertyBlock(props);
        }
    }



}