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This page provides information on the native Unreal Materials and Material Instances.

Overview

Supported Expressions

Below are listed the expressions in the Material Editor that are supported by V-Ray for Unreal.

Section

5% Column width 15%20% Category Expressions Atmosphere UI Expand title Expand   Support AtmosphericFogColor - Constants UI Expand title Expand   Support Constant ✓ Constant2Vector ✓ Constant3Vector ✓ Constant4Vector ✓ DistanceCullFade - ParticleColor - ParticleDirection - ParticleMotionBlurFade - ParticleRadius - ParticleRelativeTime - ParticleSize - ParticleSpeed - PerInstanceFadeAmount - PerInstanceRandom - Time 2 -partial TwoSidedSign -✓ NEW VertexColor -✓ View Property 1 partial Precomputed AO Mask - Coordinates UI Expand title Expand   Support LightmapUVs - NEW ObjectRadius -✓ Panner 2 partial✓ ParticlePositionWS - Rotator 2 partial✓ SceneTexelSize - ScreenPosition 3 partial✓ TextureCoordinate 4 3 partial ViewSize - WorldPosition - ✓ Custom UI Expand title Expand   Support Custom - Depth UI Expand title Expand   Support DepthFade -  PixelDepth -✓ SceneDepth - Function UI Expand title Expand   Support FunctionInput ✓ FunctionOutput ✓ MaterialFunctionCall ✓ StaticBool ✓ StaticSwitch ✓ Material Attributes UI Expand title Expand   Support BreakMaterialAttributes ✓ MakeMaterialAttributes ✓ Math UI Expand title Expand   Support Abs ✓ Add ✓ AppendVector ✓  Arccosine -✓ ArccosineFast -partial  Arcsine -✓ ArcsineFast -partial  Arctangent -✓  Arctangent2 -✓ Arctangent2fast -partial ArctangentFast -partial Ceil ✓ Clamp ✓ ComponentMask ✓ Cosine ✓ CrossProduct ✓ Divide ✓ DotProduct ✓ Floor ✓ Fmod ✓ Frac ✓ If ✓ LinearInterpolate ✓ Logarithm10 -  Logarithm2 -✓ Max ✓ Min ✓ Multiply ✓ Normalize ✓ OneMinus ✓ Power ✓ Round ✓ Saturate ✓ Sign ✓ Sine ✓ SquareRoot ✓ Subtract ✓  Tangent -✓ Truncate ✓ Parameters UI Expand title Expand   Support CollectionParameters - DynamicParameter - FontSampleParameter - ScalarParameter ✓ StaticBoolParameter ✓ StaticSwitchParameter ✓ StaticComponentMaskParameter - VectorParameter ✓ TextureObjectParameter ✓ TextureSampleParameter2D ✓ TextureSampleParameterSubUV - TextureSampleParameterCube - TextureSampleParameterMovie - Particles UI Expand title Expand   Support DynamicParameter - ParticleColor - ParticleDirection - ParticleMacroUV - ParticleMotionBlurFade - ParticlePositionWS - ParticleRadius - ParticleRelativeTime - ParticleSize - ParticleSpeed - SphericalParticleOpacity - ParticleSubUV - Terrain UI Expand title Expand   Support LanscapeLayerBlend - LandscapeLayerCoords - LandscapeLayerSwitch - LandscapeLayerWeight - LanscapeVisibilityMask - Texture UI Expand title Expand   Support FontSample - SceneColor - SpriteTrextureSampler - TextureObject ✓ TextureSample ✓ TextureProperty - Utility UI Expand title Expand   Support AntialiasedTextureMask - BlackBody - BumpOffset ✓ ConstantBiasScale ✓ DDX 5 4 partial DDY 5 4 partial DepthOfFieldFunction - Desaturation ✓ Distance ✓ DistanceFieldGradient - DistanceToNearestSurface - FeatureLevelSwitch - Fresnel 6 partial✓ GIReplace - LightmassReplace - Noise - PreviousFrameSwitch - QualitySwitch - RotateAboutAxis - SphereMask ✓ Vector Noise - VectorOps UI Expand title Expand   Support ActorPositionWS - CameraPositionWS ✓ CameraVectorWS ✓ DeriveNormalZ - LightVector - ObjectBounds - ObjectOrientation - ObjectPositionWS -✓ ParticlePositionWS - PixelNormalWS ✓ Pre-Skinned Local Normal - Pre-Skinned Local Position - ReflectionVectorWS ✓ Transform ✓ TransformPosition -partial VertexNormalWS ✓ Column width UI Text Box type warning If the Coordinate Index in the TextureCoordinate node in a material is set to a certain value and the material is applied to a Static mesh that doesn't have a corresponding UV channel, then that mesh will not render correctly in V-Ray. For example, the Coordinate Index in a material that is applied to a static mesh is set to 3 but the mesh has only 2 UV channels then the render result will be inaccurate.     80% Column width 75% Image Added     Image Removed

Supported Material Inputs, Blend Modes and Shading Models

Below are listed all inputs, Blend modes and Shading models in the Material Editor that are supported by V-Ray for Unreal.

Footnotes

1 – Only Camera Position (Absolute World Space) and Viewport Offset are supported.

2 – Time input is supported with only static valuenot currently supported in animation.

3 – Pixel Position output not supported. Anchor444 – Coordinate index 0 is only supported. Tiling and mirror options are not supported.

5 4 – Will be skipped in the shader graph. Anchor666 – Normal input is not supported.