Color Shader

color.shader

Shader "Custom/Color" {

	Properties {
		_Color ("Color", Color) = (1,1,1,1)
	}
  
	SubShader {
		Pass {
			CGPROGRAM
				// Our two programs 
				#pragma vertex vert
				#pragma fragment frag
				
				// vertex shader
				float4 vert (float4 vertex : POSITION) : SV_POSITION
				{
						return mul(UNITY_MATRIX_MVP, vertex);
				}
				
				// color from the material
				fixed4 _Color;

				// pixel shader, no inputs needed
				fixed4 frag () : SV_Target
				{
						return _Color; // just return it
				}
			ENDCG
		}
	}
	FallBack "Diffuse"
}

ColorShaderScript.cs

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

public class ColorShaderScript : ShaderBaseScript {

	void Update()
	{	
		mat.SetColor("_Color", Color.white * new Vector4(
			0.5f * Mathf.Sin(Time.timeSinceLevelLoad) + 0.5f,
			0.5f * -Mathf.Sin(Time.timeSinceLevelLoad) + 0.5f,
			0.5f * Mathf.Cos(Time.timeSinceLevelLoad) + 0.5f,
			1)
		);
	}

}