ローポリスタイルのシェーダー

Shader "Custom/LowpolySurfaceShader"
{
    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
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 200

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

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

        sampler2D _MainTex;

        struct Input
        {
            float2 uv_MainTex;
            float4 vertexColor;
        };

        void vert(inout appdata_full v, out Input o)
        {
            UNITY_INITIALIZE_OUTPUT(Input, o);
            o.vertexColor = v.color;
        }

        half _Glossiness;
        half _Metallic;
        fixed4 _Color;

        // 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)
        {
            // Albedo comes from a texture tinted by color
            fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
            //o.Albedo = c.rgb;
            o.Albedo = c.rgb * IN.vertexColor;
            // Metallic and smoothness come from slider variables
            o.Metallic = _Metallic;
            o.Smoothness = _Glossiness;
            o.Alpha = c.a;
        }
        ENDCG
    }
    FallBack "Diffuse"
}

Shader "Custom/LowpolyEmission"
{
    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
        _EmissionColor("Emission Color", Color) = (1.0, 1.0, 1.0, 1.0)
        _EmissionTex("Emission Texture", 2D) = "White" {}
        _EmissionIntensity("Emission Intensity", Range(0,16)) = 1.0

        _GIAlbedoColor ("Color Albedo (GI)", Color)=(1,1,1,1)
        _GIAlbedoTex ("Albedo (GI)",2D)="white"{}
    }
    SubShader
    {
        pass
        {
            Name "META"
            Tags {"LightMode" = "Meta"}
            Cull Off
            CGPROGRAM
            #include"UnityStandardMeta.cginc"

            #pragma vertex vert_meta
            #pragma fragment frag_meta_custom
            #pragma shader_feature _EMISSION
            #pragma shader_feature _METALLICGLOSSMAP
            #pragma shader_feature ___ _DETAIL_MULX2
            #pragma shader_feature EDITOR_VISUALIZATION

            sampler2D _GIAlbedoTex;
            fixed4 _GIAlbedoColor;

            float4 frag_meta_custom (v2f_meta i): SV_Target
            {
                FragmentCommonData data = UNITY_SETUP_BRDF_INPUT (i.uv);

                UnityMetaInput o;
                UNITY_INITIALIZE_OUTPUT(UnityMetaInput, o);

                fixed4 c = tex2D (_MainTex, i.uv);

                o.Albedo = fixed3(c.rgb * _GIAlbedoColor.rgb);
                //o.SpecularColor = float3(1, 0, 0);
                o.Emission = _EmissionColor;

                return UnityMetaFragment(o);
            }

            ENDCG
        }

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

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

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

        sampler2D _MainTex;
        sampler2D _EmissionTex;
        half4 _EmissionColor;
        float _EmissionIntensity;
        half _Glossiness;
        half _Metallic;
        fixed4 _Color;

        struct Input
        {
            float2 uv_MainTex;
            float4 vertexColor;
        };

        void vert(inout appdata_full v, out Input o)
        {
            UNITY_INITIALIZE_OUTPUT(Input, o);
            o.vertexColor = v.color;
        }

        // 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)
        {
            // Albedo comes from a texture tinted by color
            fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
            //o.Albedo = c.rgb;
            float e = tex2D(_EmissionTex, IN.uv_MainTex).r;

            o.Albedo = c.rgb * IN.vertexColor;
            // Metallic and smoothness come from slider variables
            o.Metallic = _Metallic;
            o.Smoothness = _Glossiness;
            o.Alpha = c.a;
            o.Emission = e * _EmissionColor * _EmissionIntensity;
        }
        ENDCG
    }
    FallBack "Diffuse"
}

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

public class GlobalIlluminationFlags : MonoBehaviour
{
    public MaterialGlobalIlluminationFlags flag = MaterialGlobalIlluminationFlags.AnyEmissive;

    void OnValidate()
    {
        var renderer = GetComponent<Renderer>();
        if(renderer && renderer.sharedMaterial)
        {
            renderer.sharedMaterial.globalIlluminationFlags = flag;
        }
    }
}