/*
    ██████╗░██╗░██████╗░██████╗░█████╗░██╗░░░░░██╗░░░██╗███████╗  ░██████╗██╗░░██╗░█████╗░██████╗░███████╗██████╗░
    ██╔══██╗██║██╔════╝██╔════╝██╔══██╗██║░░░░░██║░░░██║██╔════╝  ██╔════╝██║░░██║██╔══██╗██╔══██╗██╔════╝██╔══██╗
    ██║░░██║██║╚█████╗░╚█████╗░██║░░██║██║░░░░░╚██╗░██╔╝█████╗░░  ╚█████╗░███████║███████║██║░░██║█████╗░░██████╔╝
    ██║░░██║██║░╚═══██╗░╚═══██╗██║░░██║██║░░░░░░╚████╔╝░██╔══╝░░  ░╚═══██╗██╔══██║██╔══██║██║░░██║██╔══╝░░██╔══██╗
    ██████╔╝██║██████╔╝██████╔╝╚█████╔╝███████╗░░╚██╔╝░░███████╗  ██████╔╝██║░░██║██║░░██║██████╔╝███████╗██║░░██║
    ╚═════╝░╚═╝╚═════╝░╚═════╝░░╚════╝░╚══════╝░░░╚═╝░░░╚══════╝  ╚═════╝░╚═╝░░╚═╝╚═╝░░╚═╝╚═════╝░╚══════╝╚═╝░░╚═╝

                █▀▀▄ █──█ 　 ▀▀█▀▀ █──█ █▀▀ 　 ░█▀▀▄ █▀▀ ▀█─█▀ █▀▀ █── █▀▀█ █▀▀█ █▀▀ █▀▀█ 
                █▀▀▄ █▄▄█ 　 ─░█── █▀▀█ █▀▀ 　 ░█─░█ █▀▀ ─█▄█─ █▀▀ █── █──█ █──█ █▀▀ █▄▄▀ 
                ▀▀▀─ ▄▄▄█ 　 ─░█── ▀──▀ ▀▀▀ 　 ░█▄▄▀ ▀▀▀ ──▀── ▀▀▀ ▀▀▀ ▀▀▀▀ █▀▀▀ ▀▀▀ ▀─▀▀
____________________________________________________________________________________________________________________________________________

        ▄▀█ █▀ █▀ █▀▀ ▀█▀ ▀   █░█ █░░ ▀█▀ █ █▀▄▀█ ▄▀█ ▀█▀ █▀▀   ▄█ █▀█ ▄█▄   █▀ █░█ ▄▀█ █▀▄ █▀▀ █▀█ █▀
        █▀█ ▄█ ▄█ ██▄ ░█░ ▄   █▄█ █▄▄ ░█░ █ █░▀░█ █▀█ ░█░ ██▄   ░█ █▄█ ░▀░   ▄█ █▀█ █▀█ █▄▀ ██▄ █▀▄ ▄█
____________________________________________________________________________________________________________________________________________
License:
    The license is ATTRIBUTION 3.0

    More license info here:
        https://creativecommons.org/licenses/by/3.0/
____________________________________________________________________________________________________________________________________________
This shader has NOT been tested on any other PC configuration except the following:
    CPU: Intel Core i5-6400
    GPU: NVidia GTX 750Ti
    RAM: 16GB
    Windows: 10 x64
    DirectX: 11
____________________________________________________________________________________________________________________________________________
*/

Shader "Ultimate 10+ Shaders/Dissolve"
{
    Properties
    {
        _Color ("Color", Color) = (1,1,1,1)
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
        _NoiseTex ("Noise", 2D) = "white" {}

        _Cutoff ("Cut off", Range(0, 1)) = 0.25
        _EdgeWidth ("Edge Width", Range(0, 1)) = 0.05
        [HDR] _EdgeColor ("Edge Color", Color) = (1,1,1,1)
        
        [Enum(UnityEngine.Rendering.CullMode)] _Cull ("Cull", Float) = 2
    }
    SubShader
    {
        Tags { "RenderType"="Geometry" "Queue"="Transparent" }
        LOD 200
        Cull [_Cull]

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

        #ifndef SHADER_API_D3D11
            #pragma target 3.0
        #else
            #pragma target 4.0
        #endif

        sampler2D _MainTex;
        sampler2D _NoiseTex;

        half _Cutoff;
        half _EdgeWidth;

        fixed4 _Color;
        fixed4 _EdgeColor;

        struct Input
        {
            float2 uv_MainTex;
            float2 uv_NoiseTex;
        };

        // 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)

        fixed4 noisePixel, pixel;
        half cutoff;
        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            pixel = tex2D (_MainTex, IN.uv_MainTex) * _Color;

            o.Albedo = pixel.rgb;

            noisePixel = tex2D (_NoiseTex, IN.uv_NoiseTex);

            clip(noisePixel.r >= _Cutoff ? 1 : -1);
            o.Emission = noisePixel.r >= (_Cutoff * (_EdgeWidth + 1.0)) ? 0 : _EdgeColor;
        }
        ENDCG
    }
    FallBack "Diffuse"
}