GGJ_2019/Assets/ThirdParty/AmplifyShaderEditor/Examples/Official/UVLightReveal/UV light.shader

// Made with Amplify Shader Editor
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "ASESampleShaders/UV Light Reveal"
{
	Properties
	{
		[HideInInspector] __dirty( "", Int ) = 1
		_BaseTexture("Base Texture", 2D) = "white" {}
		_UVTexture("UV Texture", 2D) = "white" {}
		_ColortoBeFiltered("Color to Be Filtered", Color) = (0.4039216,0,1,1)
		_DifferenceThreshold("Difference Threshold", Range( 0 , 0.05)) = 0
		[HideInInspector] _texcoord( "", 2D ) = "white" {}
	}

	SubShader
	{
		Tags{ "RenderType" = "Opaque"  "Queue" = "Geometry+0" "IsEmissive" = "true"  }
		Cull Back
		CGPROGRAM
		#include "UnityPBSLighting.cginc"
		#include "UnityShaderVariables.cginc"
		#pragma target 3.0
		#pragma surface surf StandardCustomLighting keepalpha addshadow fullforwardshadows 
		struct Input
		{
			float2 uv_texcoord;
		};

		struct SurfaceOutputCustomLightingCustom
		{
			fixed3 Albedo;
			fixed3 Normal;
			half3 Emission;
			half Metallic;
			half Smoothness;
			half Occlusion;
			fixed Alpha;
			Input SurfInput;
			UnityGIInput GIData;
		};

		uniform sampler2D _BaseTexture;
		uniform float4 _BaseTexture_ST;
		uniform sampler2D _UVTexture;
		uniform float4 _UVTexture_ST;
		uniform float4 _ColortoBeFiltered;
		uniform float _DifferenceThreshold;

		inline half4 LightingStandardCustomLighting( inout SurfaceOutputCustomLightingCustom s, half3 viewDir, UnityGI gi )
		{
			UnityGIInput data = s.GIData;
			Input i = s.SurfInput;
			half4 c = 0;
			#if DIRECTIONAL
			float ase_lightAtten = data.atten;
			if( _LightColor0.a == 0)
			ase_lightAtten = 0;
			#else
			float3 ase_lightAttenRGB = gi.light.color / ( ( _LightColor0.rgb ) + 0.000001 );
			float ase_lightAtten = max( max( ase_lightAttenRGB.r, ase_lightAttenRGB.g ), ase_lightAttenRGB.b );
			#endif
			float2 uv_BaseTexture = i.uv_texcoord * _BaseTexture_ST.xy + _BaseTexture_ST.zw;
			float4 temp_output_59_0 = ( ase_lightAtten * _LightColor0 );
			float2 uv_UVTexture = i.uv_texcoord * _UVTexture_ST.xy + _UVTexture_ST.zw;
			float3 componentMask91 = ( _LightColor0 * _WorldSpaceLightPos0.w ).rgb;
			float3 componentMask92 = _ColortoBeFiltered.rgb;
			c.rgb = ( ( tex2D( _BaseTexture, uv_BaseTexture ) * saturate( temp_output_59_0 ) ) + ( tex2D( _UVTexture, uv_UVTexture ).r * ( ( temp_output_59_0 * _WorldSpaceLightPos0.w ) *  ( dot( normalize( componentMask91 ) , normalize( componentMask92 ) ) - _DifferenceThreshold > 1.0 ? 0.0 : dot( normalize( componentMask91 ) , normalize( componentMask92 ) ) - _DifferenceThreshold <= 1.0 && dot( normalize( componentMask91 ) , normalize( componentMask92 ) ) + _DifferenceThreshold >= 1.0 ? 1.0 : 0.0 )  ) ) ).xyz;
			c.a = 1;
			return c;
		}

		inline void LightingStandardCustomLighting_GI( inout SurfaceOutputCustomLightingCustom s, UnityGIInput data, inout UnityGI gi )
		{
			s.GIData = data;
		}

		void surf( Input i , inout SurfaceOutputCustomLightingCustom o )
		{
			o.SurfInput = i;
		}

		ENDCG
	}
	Fallback "Diffuse"
	CustomEditor "ASEMaterialInspector"
}
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