// Made with Amplify Shader Editor v1.9.5.1
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "SmokeTrail"
{
	Properties
	{
		_TextureSample0("Texture Sample 0", 2D) = "white" {}
		_Color0("Color 0", Color) = (0,0,0,0)
		[HideInInspector] _texcoord( "", 2D ) = "white" {}
		[HideInInspector] __dirty( "", Int ) = 1
	}

	SubShader
	{
		Tags{ "RenderType" = "Transparent"  "Queue" = "Transparent+0" "IgnoreProjector" = "True" "IsEmissive" = "true"  }
		Cull Back
		CGINCLUDE
		#include "UnityPBSLighting.cginc"
		#include "Lighting.cginc"
		#pragma target 3.0
		struct Input
		{
			float2 uv_texcoord;
			float4 vertexColor : COLOR;
		};

		uniform float4 _Color0;
		uniform sampler2D _TextureSample0;
		uniform float4 _TextureSample0_ST;

		inline half4 LightingUnlit( SurfaceOutput s, half3 lightDir, half atten )
		{
			return half4 ( 0, 0, 0, s.Alpha );
		}

		void surf( Input i , inout SurfaceOutput o )
		{
			o.Emission = _Color0.rgb;
			float2 uv_TextureSample0 = i.uv_texcoord * _TextureSample0_ST.xy + _TextureSample0_ST.zw;
			o.Alpha = ( tex2D( _TextureSample0, uv_TextureSample0 ).r * i.vertexColor ).r;
		}

		ENDCG
		CGPROGRAM
		#pragma surface surf Unlit alpha:fade keepalpha fullforwardshadows 

		ENDCG
		Pass
		{
			Name "ShadowCaster"
			Tags{ "LightMode" = "ShadowCaster" }
			ZWrite On
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma target 3.0
			#pragma multi_compile_shadowcaster
			#pragma multi_compile UNITY_PASS_SHADOWCASTER
			#pragma skip_variants FOG_LINEAR FOG_EXP FOG_EXP2
			#include "HLSLSupport.cginc"
			#if ( SHADER_API_D3D11 || SHADER_API_GLCORE || SHADER_API_GLES || SHADER_API_GLES3 || SHADER_API_METAL || SHADER_API_VULKAN )
				#define CAN_SKIP_VPOS
			#endif
			#include "UnityCG.cginc"
			#include "Lighting.cginc"
			#include "UnityPBSLighting.cginc"
			sampler3D _DitherMaskLOD;
			struct v2f
			{
				V2F_SHADOW_CASTER;
				float2 customPack1 : TEXCOORD1;
				float3 worldPos : TEXCOORD2;
				half4 color : COLOR0;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
			};
			v2f vert( appdata_full v )
			{
				v2f o;
				UNITY_SETUP_INSTANCE_ID( v );
				UNITY_INITIALIZE_OUTPUT( v2f, o );
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO( o );
				UNITY_TRANSFER_INSTANCE_ID( v, o );
				Input customInputData;
				float3 worldPos = mul( unity_ObjectToWorld, v.vertex ).xyz;
				half3 worldNormal = UnityObjectToWorldNormal( v.normal );
				o.customPack1.xy = customInputData.uv_texcoord;
				o.customPack1.xy = v.texcoord;
				o.worldPos = worldPos;
				TRANSFER_SHADOW_CASTER_NORMALOFFSET( o )
				o.color = v.color;
				return o;
			}
			half4 frag( v2f IN
			#if !defined( CAN_SKIP_VPOS )
			, UNITY_VPOS_TYPE vpos : VPOS
			#endif
			) : SV_Target
			{
				UNITY_SETUP_INSTANCE_ID( IN );
				Input surfIN;
				UNITY_INITIALIZE_OUTPUT( Input, surfIN );
				surfIN.uv_texcoord = IN.customPack1.xy;
				float3 worldPos = IN.worldPos;
				half3 worldViewDir = normalize( UnityWorldSpaceViewDir( worldPos ) );
				surfIN.vertexColor = IN.color;
				SurfaceOutput o;
				UNITY_INITIALIZE_OUTPUT( SurfaceOutput, o )
				surf( surfIN, o );
				#if defined( CAN_SKIP_VPOS )
				float2 vpos = IN.pos;
				#endif
				half alphaRef = tex3D( _DitherMaskLOD, float3( vpos.xy * 0.25, o.Alpha * 0.9375 ) ).a;
				clip( alphaRef - 0.01 );
				SHADOW_CASTER_FRAGMENT( IN )
			}
			ENDCG
		}
	}
	Fallback "Diffuse"
	CustomEditor "ASEMaterialInspector"
}
/*ASEBEGIN
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Node;AmplifyShaderEditor.VertexColorNode;5;-518,608.5;Inherit;False;0;5;COLOR;0;FLOAT;1;FLOAT;2;FLOAT;3;FLOAT;4
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Node;AmplifyShaderEditor.SimpleMultiplyOpNode;6;-216,272.5;Inherit;False;2;2;0;FLOAT;0;False;1;COLOR;0,0,0,0;False;1;COLOR;0
Node;AmplifyShaderEditor.StandardSurfaceOutputNode;0;0,0;Float;False;True;-1;2;ASEMaterialInspector;0;0;Unlit;SmokeTrail;False;False;False;False;False;False;False;False;False;False;False;False;False;False;True;False;False;False;False;False;False;Back;0;False;;0;False;;False;0;False;;0;False;;False;0;Transparent;0.5;True;True;0;False;Transparent;;Transparent;All;12;all;True;True;True;True;0;False;;False;0;False;;255;False;;255;False;;0;False;;0;False;;0;False;;0;False;;0;False;;0;False;;0;False;;0;False;;False;2;15;10;25;False;0.5;True;2;5;False;;10;False;;0;0;False;;0;False;;0;False;;0;False;;0;False;0;0,0,0,0;VertexOffset;True;False;Cylindrical;False;True;Relative;0;;-1;-1;-1;-1;0;False;0;0;False;;-1;0;False;;0;0;0;False;0.1;False;;0;False;;False;16;0;FLOAT3;0,0,0;False;1;FLOAT3;0,0,0;False;2;FLOAT3;0,0,0;False;3;FLOAT;0;False;4;FLOAT;0;False;6;FLOAT3;0,0,0;False;7;FLOAT3;0,0,0;False;8;FLOAT;0;False;9;FLOAT;0;False;10;FLOAT;0;False;13;FLOAT3;0,0,0;False;11;FLOAT3;0,0,0;False;12;FLOAT3;0,0,0;False;16;FLOAT4;0,0,0,0;False;14;FLOAT4;0,0,0,0;False;15;FLOAT3;0,0,0;False;0
WireConnection;6;0;2;1
WireConnection;6;1;5;0
WireConnection;0;2;3;5
WireConnection;0;9;6;0
ASEEND*/
//CHKSM=9496FCD7FA8E920B5740415020060DED0E9494B9