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308 lines
14 KiB
308 lines
14 KiB
// Made with Amplify Shader Editor
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// Available at the Unity Asset Store - http://u3d.as/y3X
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Shader "ASESampleShaders/Parallax/SandPom"
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{
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Properties
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{
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[HideInInspector] __dirty( "", Int ) = 1
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_Albedo("Albedo", 2D) = "white" {}
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_Normal("Normal", 2D) = "bump" {}
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_NormalScale("Normal Scale", Float) = 0.5
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_Metallic("Metallic", 2D) = "white" {}
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_Roughness("Roughness", 2D) = "white" {}
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_RoughScale("Rough Scale", Float) = 0.5
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_Occlusion("Occlusion", 2D) = "white" {}
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_HeightMap("HeightMap", 2D) = "white" {}
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_Scale("Scale", Range( 0 , 1)) = 0.4247461
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_CurvatureU("Curvature U", Range( 0 , 100)) = 0
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_CurvatureV("Curvature V", Range( 0 , 30)) = 0
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[HideInInspector] _texcoord( "", 2D ) = "white" {}
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[Header(Parallax Occlusion Mapping)]
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_CurvFix("Curvature Bias", Range( 0 , 1)) = 1
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}
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SubShader
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{
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Tags{ "RenderType" = "Opaque" "Queue" = "Geometry+0" }
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Cull Back
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ZTest LEqual
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CGINCLUDE
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#include "UnityStandardUtils.cginc"
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#include "UnityPBSLighting.cginc"
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#include "Lighting.cginc"
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#pragma target 4.0
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#ifdef UNITY_PASS_SHADOWCASTER
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#undef INTERNAL_DATA
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#undef WorldReflectionVector
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#undef WorldNormalVector
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#define INTERNAL_DATA half3 internalSurfaceTtoW0; half3 internalSurfaceTtoW1; half3 internalSurfaceTtoW2;
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#define WorldReflectionVector(data,normal) reflect (data.worldRefl, half3(dot(data.internalSurfaceTtoW0,normal), dot(data.internalSurfaceTtoW1,normal), dot(data.internalSurfaceTtoW2,normal)))
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#define WorldNormalVector(data,normal) fixed3(dot(data.internalSurfaceTtoW0,normal), dot(data.internalSurfaceTtoW1,normal), dot(data.internalSurfaceTtoW2,normal))
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#endif
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struct Input
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{
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float2 uv_texcoord;
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float3 viewDir;
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INTERNAL_DATA
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float3 worldNormal;
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float3 worldPos;
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};
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uniform float _NormalScale;
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uniform sampler2D _Normal;
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uniform float4 _Albedo_ST;
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uniform sampler2D _HeightMap;
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uniform float _Scale;
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uniform float _CurvFix;
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uniform float _CurvatureU;
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uniform float _CurvatureV;
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uniform float4 _HeightMap_ST;
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uniform sampler2D _Albedo;
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uniform sampler2D _Metallic;
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uniform float _RoughScale;
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uniform sampler2D _Roughness;
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uniform sampler2D _Occlusion;
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inline float2 POM( sampler2D heightMap, float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv )
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{
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float3 result = 0;
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int stepIndex = 0;
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int numSteps = ( int )lerp( maxSamples, minSamples, dot( normalWorld, viewWorld ) );
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float layerHeight = 1.0 / numSteps;
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float2 plane = parallax * ( viewDirTan.xy / viewDirTan.z );
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uvs += refPlane * plane;
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float2 deltaTex = -plane * layerHeight;
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float2 prevTexOffset = 0;
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float prevRayZ = 1.0f;
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float prevHeight = 0.0f;
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float2 currTexOffset = deltaTex;
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float currRayZ = 1.0f - layerHeight;
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float currHeight = 0.0f;
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float intersection = 0;
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float2 finalTexOffset = 0;
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while ( stepIndex < numSteps + 1 )
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{
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result.z = dot( curv, currTexOffset * currTexOffset );
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currHeight = tex2Dgrad( heightMap, uvs + currTexOffset, dx, dy ).r * ( 1 - result.z );
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if ( currHeight > currRayZ )
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{
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stepIndex = numSteps + 1;
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}
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else
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{
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stepIndex++;
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prevTexOffset = currTexOffset;
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prevRayZ = currRayZ;
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prevHeight = currHeight;
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currTexOffset += deltaTex;
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currRayZ -= layerHeight * ( 1 - result.z ) * (1+_CurvFix);
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}
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}
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int sectionSteps = 10;
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int sectionIndex = 0;
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float newZ = 0;
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float newHeight = 0;
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while ( sectionIndex < sectionSteps )
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{
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intersection = ( prevHeight - prevRayZ ) / ( prevHeight - currHeight + currRayZ - prevRayZ );
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finalTexOffset = prevTexOffset + intersection * deltaTex;
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newZ = prevRayZ - intersection * layerHeight;
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newHeight = tex2Dgrad( heightMap, uvs + finalTexOffset, dx, dy ).r;
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if ( newHeight > newZ )
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{
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currTexOffset = finalTexOffset;
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currHeight = newHeight;
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currRayZ = newZ;
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deltaTex = intersection * deltaTex;
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layerHeight = intersection * layerHeight;
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}
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else
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{
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prevTexOffset = finalTexOffset;
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prevHeight = newHeight;
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prevRayZ = newZ;
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deltaTex = ( 1 - intersection ) * deltaTex;
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layerHeight = ( 1 - intersection ) * layerHeight;
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}
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sectionIndex++;
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}
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#ifdef UNITY_PASS_SHADOWCASTER
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if ( unity_LightShadowBias.z == 0.0 )
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{
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#endif
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if ( result.z > 1 )
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clip( -1 );
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#ifdef UNITY_PASS_SHADOWCASTER
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}
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#endif
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return uvs + finalTexOffset;
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}
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void surf( Input i , inout SurfaceOutputStandard o )
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{
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float2 uv_Albedo = i.uv_texcoord * _Albedo_ST.xy + _Albedo_ST.zw;
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float3 ase_worldNormal = WorldNormalVector( i, float3( 0, 0, 1 ) );
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float3 worldViewDir = normalize( UnityWorldSpaceViewDir( i.worldPos ) );
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float2 appendResult47 = (float2(_CurvatureU , _CurvatureV));
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float2 OffsetPOM8 = POM( _HeightMap, uv_Albedo, ddx(uv_Albedo), ddx(uv_Albedo), ase_worldNormal, worldViewDir, i.viewDir, 128, 128, _Scale, 0, _HeightMap_ST.xy, appendResult47 );
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float2 customUVs39 = OffsetPOM8;
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float2 temp_output_40_0 = ddx( uv_Albedo );
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float2 temp_output_41_0 = ddy( uv_Albedo );
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o.Normal = UnpackScaleNormal( tex2D( _Normal, customUVs39, temp_output_40_0, temp_output_41_0 ) ,_NormalScale );
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o.Albedo = tex2D( _Albedo, customUVs39, temp_output_40_0, temp_output_41_0 ).xyz;
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o.Metallic = tex2D( _Metallic, customUVs39, temp_output_40_0, temp_output_41_0 ).r;
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o.Smoothness = ( 1.0 - ( _RoughScale * tex2D( _Roughness, customUVs39, temp_output_40_0, temp_output_41_0 ).r ) );
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o.Occlusion = tex2D( _Occlusion, customUVs39, temp_output_40_0, temp_output_41_0 ).r;
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o.Alpha = 1;
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}
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ENDCG
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CGPROGRAM
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#pragma surface surf Standard keepalpha fullforwardshadows exclude_path:deferred
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ENDCG
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Pass
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{
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Name "ShadowCaster"
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Tags{ "LightMode" = "ShadowCaster" }
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ZWrite On
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 3.0
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#pragma multi_compile_shadowcaster
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#pragma multi_compile UNITY_PASS_SHADOWCASTER
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#pragma skip_variants FOG_LINEAR FOG_EXP FOG_EXP2
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# include "HLSLSupport.cginc"
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#if ( SHADER_API_D3D11 || SHADER_API_GLCORE || SHADER_API_GLES3 || SHADER_API_METAL || SHADER_API_VULKAN )
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#define CAN_SKIP_VPOS
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#endif
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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#include "UnityPBSLighting.cginc"
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sampler3D _DitherMaskLOD;
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struct v2f
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{
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V2F_SHADOW_CASTER;
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float3 worldPos : TEXCOORD6;
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float4 tSpace0 : TEXCOORD1;
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float4 tSpace1 : TEXCOORD2;
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float4 tSpace2 : TEXCOORD3;
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float4 texcoords01 : TEXCOORD4;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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v2f vert( appdata_full v )
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID( v );
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UNITY_INITIALIZE_OUTPUT( v2f, o );
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UNITY_TRANSFER_INSTANCE_ID( v, o );
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float3 worldPos = mul( unity_ObjectToWorld, v.vertex ).xyz;
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half3 worldNormal = UnityObjectToWorldNormal( v.normal );
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fixed3 worldTangent = UnityObjectToWorldDir( v.tangent.xyz );
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fixed tangentSign = v.tangent.w * unity_WorldTransformParams.w;
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fixed3 worldBinormal = cross( worldNormal, worldTangent ) * tangentSign;
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o.tSpace0 = float4( worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x );
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o.tSpace1 = float4( worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y );
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o.tSpace2 = float4( worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z );
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o.texcoords01 = float4( v.texcoord.xy, v.texcoord1.xy );
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o.worldPos = worldPos;
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TRANSFER_SHADOW_CASTER_NORMALOFFSET( o )
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return o;
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}
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fixed4 frag( v2f IN
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#if !defined( CAN_SKIP_VPOS )
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, UNITY_VPOS_TYPE vpos : VPOS
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#endif
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) : SV_Target
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{
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UNITY_SETUP_INSTANCE_ID( IN );
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Input surfIN;
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UNITY_INITIALIZE_OUTPUT( Input, surfIN );
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surfIN.uv_texcoord.xy = IN.texcoords01.xy;
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float3 worldPos = float3( IN.tSpace0.w, IN.tSpace1.w, IN.tSpace2.w );
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fixed3 worldViewDir = normalize( UnityWorldSpaceViewDir( worldPos ) );
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surfIN.viewDir = IN.tSpace0.xyz * worldViewDir.x + IN.tSpace1.xyz * worldViewDir.y + IN.tSpace2.xyz * worldViewDir.z;
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surfIN.worldPos = worldPos;
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surfIN.worldNormal = float3( IN.tSpace0.z, IN.tSpace1.z, IN.tSpace2.z );
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surfIN.internalSurfaceTtoW0 = IN.tSpace0.xyz;
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surfIN.internalSurfaceTtoW1 = IN.tSpace1.xyz;
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surfIN.internalSurfaceTtoW2 = IN.tSpace2.xyz;
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SurfaceOutputStandard o;
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UNITY_INITIALIZE_OUTPUT( SurfaceOutputStandard, o )
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surf( surfIN, o );
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#if defined( CAN_SKIP_VPOS )
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float2 vpos = IN.pos;
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#endif
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SHADOW_CASTER_FRAGMENT( IN )
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}
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ENDCG
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}
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}
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Fallback "Diffuse"
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CustomEditor "ASEMaterialInspector"
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}
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/*ASEBEGIN
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Version=12003
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0;92;1541;926;2631.925;1174.842;3.044802;False;False
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Node;AmplifyShaderEditor.RangedFloatNode;43;-1504,384;Float;False;Property;_CurvatureU;Curvature U;9;0;0;0;100;0;1;FLOAT
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Node;AmplifyShaderEditor.RangedFloatNode;45;-1504,464;Float;False;Property;_CurvatureV;Curvature V;9;0;0;0;30;0;1;FLOAT
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Node;AmplifyShaderEditor.ViewDirInputsCoordNode;15;-1296,192;Float;False;Tangent;0;4;FLOAT3;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.DynamicAppendNode;47;-1168,368;Float;False;FLOAT2;4;0;FLOAT;0.0;False;1;FLOAT;0.0;False;2;FLOAT;0.0;False;3;FLOAT;0.0;False;1;FLOAT2
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Node;AmplifyShaderEditor.TexturePropertyNode;9;-1729,0.5;Float;True;Property;_HeightMap;HeightMap;7;0;None;False;white;Auto;0;1;SAMPLER2D
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Node;AmplifyShaderEditor.RangedFloatNode;13;-1448,78.5;Float;False;Property;_Scale;Scale;8;0;0.4247461;0;1;0;1;FLOAT
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Node;AmplifyShaderEditor.TextureCoordinatesNode;10;-1384,-81.5;Float;False;0;11;2;3;2;SAMPLER2D;;False;0;FLOAT2;1,1;False;1;FLOAT2;0,0;False;5;FLOAT2;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.ParallaxOcclusionMappingNode;8;-1032.9,-21.1;Float;False;0;128;128;10;0.02;0;False;1,1;True;10,0;6;0;FLOAT2;0,0;False;1;SAMPLER2D;;False;2;FLOAT;0.0;False;3;FLOAT3;0,0,0;False;4;FLOAT;0.0;False;5;FLOAT2;0,0;False;1;FLOAT2
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Node;AmplifyShaderEditor.DdxOpNode;40;-656,-160;Float;False;1;0;FLOAT2;0.0,0;False;1;FLOAT2
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Node;AmplifyShaderEditor.DdyOpNode;41;-656,-96;Float;False;1;0;FLOAT2;0.0,0;False;1;FLOAT2
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Node;AmplifyShaderEditor.RegisterLocalVarNode;39;-752,-240;Float;False;customUVs;1;False;1;0;FLOAT2;0.0,0;False;1;FLOAT2
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Node;AmplifyShaderEditor.RangedFloatNode;25;192,256;Float;False;Property;_RoughScale;Rough Scale;5;0;0.5;0;0;0;1;FLOAT
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Node;AmplifyShaderEditor.SamplerNode;20;64,336;Float;True;Property;_Roughness;Roughness;4;0;None;True;0;False;white;Auto;False;Object;-1;Derivative;Texture2D;6;0;SAMPLER2D;;False;1;FLOAT2;0,0;False;2;FLOAT;1.0;False;3;FLOAT2;0,0;False;4;FLOAT2;0,0;False;5;FLOAT;1.0;False;5;FLOAT4;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.SamplerNode;21;64,528;Float;True;Property;_Occlusion;Occlusion;6;0;None;True;0;False;white;Auto;False;Object;-1;Derivative;Texture2D;6;0;SAMPLER2D;;False;1;FLOAT2;0,0;False;2;FLOAT;1.0;False;3;FLOAT2;0,0;False;4;FLOAT2;0,0;False;5;FLOAT;1.0;False;5;FLOAT4;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.RangedFloatNode;24;-292.5285,-343.4738;Float;False;Property;_NormalScale;Normal Scale;2;0;0.5;0;0;0;1;FLOAT
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Node;AmplifyShaderEditor.SimpleMultiplyOpNode;26;384,256;Float;False;2;2;0;FLOAT;0.0;False;1;FLOAT;0.0;False;1;FLOAT
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Node;AmplifyShaderEditor.OneMinusNode;42;496,80;Float;False;1;0;FLOAT;0.0;False;1;FLOAT
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Node;AmplifyShaderEditor.SamplerNode;11;64,-320;Float;True;Property;_Albedo;Albedo;0;0;None;True;0;False;white;Auto;False;Object;-1;Derivative;Texture2D;6;0;SAMPLER2D;;False;1;FLOAT2;0,0;False;2;FLOAT;1.0;False;3;FLOAT2;0,0;False;4;FLOAT2;0,0;False;5;FLOAT;1.0;False;5;FLOAT4;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.WireNode;29;620.7496,395.8717;Float;False;1;0;FLOAT;0.0;False;1;FLOAT
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Node;AmplifyShaderEditor.SamplerNode;23;64,64;Float;True;Property;_Metallic;Metallic;3;0;None;True;0;False;white;Auto;False;Object;-1;Derivative;Texture2D;6;0;SAMPLER2D;;False;1;FLOAT2;0,0;False;2;FLOAT;1.0;False;3;FLOAT2;0,0;False;4;FLOAT2;0,0;False;5;FLOAT;1.0;False;5;FLOAT4;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.SamplerNode;14;64,-128;Float;True;Property;_Normal;Normal;1;0;None;True;0;True;bump;Auto;True;Object;-1;Derivative;Texture2D;6;0;SAMPLER2D;;False;1;FLOAT2;0,0;False;2;FLOAT;1.0;False;3;FLOAT2;0,0;False;4;FLOAT2;0,0;False;5;FLOAT;1.0;False;5;FLOAT3;FLOAT;FLOAT;FLOAT;FLOAT
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Node;AmplifyShaderEditor.StandardSurfaceOutputNode;0;780.7046,-269.0693;Float;False;True;4;Float;ASEMaterialInspector;0;Standard;ASESampleShaders/Parallax/SandPom;False;False;False;False;False;False;False;False;False;False;False;False;False;False;False;False;False;Back;0;3;False;0;0;Opaque;0.5;True;True;0;False;Opaque;Geometry;ForwardOnly;True;True;True;True;True;True;True;True;True;True;True;True;True;True;True;True;True;False;0;255;255;0;0;0;0;False;0;4;10;25;False;0.5;True;0;Zero;Zero;0;Zero;Zero;Add;Add;0;False;0;0,0,0,0;VertexOffset;False;Cylindrical;False;Relative;0;;-1;-1;-1;-1;0;0;15;0;FLOAT3;0,0,0;False;1;FLOAT3;0,0,0;False;2;FLOAT3;0,0,0;False;3;FLOAT;0.0;False;4;FLOAT;0.0;False;5;FLOAT;0.0;False;6;FLOAT3;0,0,0;False;7;FLOAT3;0,0,0;False;8;FLOAT;0.0;False;9;FLOAT;0.0;False;10;OBJECT;0.0;False;11;FLOAT3;0.0,0,0;False;12;FLOAT3;0.0,0,0;False;14;FLOAT4;0,0,0,0;False;15;FLOAT3;0,0,0;False;0
|
|
WireConnection;47;0;43;0
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WireConnection;47;1;45;0
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|
WireConnection;8;0;10;0
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WireConnection;8;1;9;0
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WireConnection;8;2;13;0
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WireConnection;8;3;15;0
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WireConnection;8;5;47;0
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WireConnection;40;0;10;0
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WireConnection;41;0;10;0
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WireConnection;39;0;8;0
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WireConnection;20;1;39;0
|
|
WireConnection;20;3;40;0
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|
WireConnection;20;4;41;0
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|
WireConnection;21;1;39;0
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|
WireConnection;21;3;40;0
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WireConnection;21;4;41;0
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WireConnection;26;0;25;0
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WireConnection;26;1;20;1
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WireConnection;42;0;26;0
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WireConnection;11;1;39;0
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WireConnection;11;3;40;0
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|
WireConnection;11;4;41;0
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WireConnection;29;0;21;1
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WireConnection;23;1;39;0
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|
WireConnection;23;3;40;0
|
|
WireConnection;23;4;41;0
|
|
WireConnection;14;1;39;0
|
|
WireConnection;14;3;40;0
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|
WireConnection;14;4;41;0
|
|
WireConnection;14;5;24;0
|
|
WireConnection;0;0;11;0
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|
WireConnection;0;1;14;0
|
|
WireConnection;0;3;23;1
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|
WireConnection;0;4;42;0
|
|
WireConnection;0;5;29;0
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ASEEND*/
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//CHKSM=05D9E04B90638290E79154C9F649C97B39B0B599
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