XRay.shader

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

		_OutlineThreshold ("Outline Threshold", Float) = 1

		_Glossiness ("Smoothness", Range(0,1)) = 0.5
		_Metallic ("Metallic", Range(0,1)) = 0.0
	}
	SubShader
	{
		Tags { "RenderType"="Opaque" }
		LOD 200

		ZTest Less
		
		CGPROGRAM
		#pragma surface surf Standard fullforwardshadows
		#pragma target 3.0

		sampler2D _MainTex;

		struct Input
		{
			float2 uv_MainTex;
		};

		half _Glossiness;
		half _Metallic;
		fixed4 _Color;

		void surf (Input IN, inout SurfaceOutputStandard o)
		{
			fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
			o.Albedo = c.rgb;

			o.Metallic = _Metallic;
			o.Smoothness = _Glossiness;
			o.Alpha = c.a;
		}
		ENDCG

		Tags { "RenderType"="Transparent" "Queue"="Transparent" }
		LOD 200

		Blend SrcAlpha OneMinusSrcAlpha
		ZTest Greater
		Zwrite Off

		CGPROGRAM
		#pragma surface surf Standard fullforwardshadows keepalpha
		#pragma target 3.0

		sampler2D _MainTex;

		struct Input
		{
			float2 uv_MainTex;
			float3 worldNormal;
			float3 viewDir;
		};

		half _Glossiness;
		half _Metallic;

		half _OutlineThreshold;
		fixed4 _Color;

		void surf(Input IN, inout SurfaceOutputStandard o)
		{
			fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
			o.Albedo = c.rgb;
			o.Emission = o.Albedo;

			o.Metallic = _Metallic;
			o.Smoothness = _Glossiness;
			o.Alpha = step(_OutlineThreshold, 1 - dot(IN.viewDir, IN.worldNormal));
			
		}
		ENDCG
	}
	FallBack "Diffuse"
}