ParallaxMoving.shader

Shader "Custom/Parallax Moving"
{
    Properties
    {
        _Color("Color", Color) = (1,1,1,1)
        _MainTex("Albedo (RGB)", 2D) = "white" {}

        _Glossiness("Smoothness", Range(0,1)) = 0.5
        _Metallic("Metallic", Range(0,1)) = 0.0
        _DepthMap("DepthMap", 2D) = "grey" {}
        _Normal("Normal", 2D) = "bump" {}
        _Parallax("Parallax Depth", Range(0,10)) = 0.0
        _Layers("Parallax Layers", Range(0,10)) = 1.0
        _Speed("Speed", Range(0,10)) = 1.0
        _Distort("Albedo Deep (RGB)", 2D) = "white" {}


    }
        SubShader
        {
            Tags { "RenderType" = "Opaque" }
            LOD 200

            CGPROGRAM
            // Physically based Standard lighting model, and enable shadows on all light types
            #pragma surface surf Standard fullforwardshadows

            // Use shader model 3.0 target, to get nicer looking lighting
            #pragma target 3.0

            sampler2D _MainTex;

            struct Input
            {
                float2 uv_MainTex;
                float2 uv_Normal;
                float3 viewDir;
                float2 uv_MainTex2;
            };

            half _Glossiness;
            half _Metallic;
            fixed4 _Color;

            float _Parallax;
            sampler2D _DepthMap, _Normal, _Distort;
            float _Layers, _Speed;

            // Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
            // See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
            // #pragma instancing_options assumeuniformscaling
            UNITY_INSTANCING_BUFFER_START(Props)
                // put more per-instance properties here
            UNITY_INSTANCING_BUFFER_END(Props)

            void surf(Input IN, inout SurfaceOutputStandard o)
            {
                // depth map for parallax
                float d = tex2D(_DepthMap, IN.uv_MainTex).r;
                float distort = tex2D(_Distort, IN.uv_MainTex).r;
                for (float i = 0; i < _Layers; i++)
                {
                    IN.uv_MainTex += ParallaxOffset(tex2D(_DepthMap, IN.uv_MainTex - (_Time.x * _Speed )+ distort), _Parallax, IN.viewDir);

                }
                o.Normal = UnpackNormal(tex2D(_Normal, saturate(IN.uv_MainTex)));
                // Albedo comes from a texture tinted by color
                fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;

                o.Albedo = c.rgb;
                // Metallic and smoothness come from slider variables
                o.Metallic = _Metallic;
                o.Smoothness = _Glossiness;
                o.Alpha = c.a;
            }
            ENDCG
        }
            FallBack "Diffuse"
}