Files
UE-MaterialSnippets/snippets/radial_distortion.txt

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26 KiB
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Begin Object Class=/Script/UnrealEd.MaterialGraphNode Name="MaterialGraphNode_532" ExportPath="/Script/UnrealEd.MaterialGraphNode'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_532'"
Begin Object Class=/Script/Engine.MaterialExpressionTextureCoordinate Name="MaterialExpressionTextureCoordinate_0" ExportPath="/Script/Engine.MaterialExpressionTextureCoordinate'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_532.MaterialExpressionTextureCoordinate_0'"
End Object
Begin Object Name="MaterialExpressionTextureCoordinate_0" ExportPath="/Script/Engine.MaterialExpressionTextureCoordinate'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_532.MaterialExpressionTextureCoordinate_0'"
MaterialExpressionEditorX=-1600
MaterialExpressionEditorY=400
MaterialExpressionGuid=FC772CEE45A3C81A1A2A289B9497621C
Material="/Script/UnrealEd.PreviewMaterial'/Engine/Transient.M_HUDEffects'"
End Object
MaterialExpression="/Script/Engine.MaterialExpressionTextureCoordinate'MaterialExpressionTextureCoordinate_0'"
NodePosX=-1600
NodePosY=400
AdvancedPinDisplay=Hidden
NodeGuid=C812377140965DF65363DE95338DBA6E
CustomProperties Pin (PinId=D54897C744F7282CBFA6E5B4BF2BD892,PinName="Coordinate Index",PinType.PinCategory="optional",PinType.PinSubCategory="int",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="0",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=True,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=692CD72F4272DEC0E0B163B44F7AD9C3,PinName="UTiling",PinType.PinCategory="optional",PinType.PinSubCategory="red",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="1.0",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=True,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=True,bOrphanedPin=False,)
CustomProperties Pin (PinId=772AB1384C835F758E269F8A36627747,PinName="VTiling",PinType.PinCategory="optional",PinType.PinSubCategory="red",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="1.0",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=True,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=True,bOrphanedPin=False,)
CustomProperties Pin (PinId=56EE3B784DCD7B6B0ABE6D9C9F7C689A,PinName="Un Mirror U",PinType.PinCategory="optional",PinType.PinSubCategory="bool",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="false",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=True,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=True,bOrphanedPin=False,)
CustomProperties Pin (PinId=4C9C3CAF4A19252594CB39BD6861A25E,PinName="Un Mirror V",PinType.PinCategory="optional",PinType.PinSubCategory="bool",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="false",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=True,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=True,bOrphanedPin=False,)
CustomProperties Pin (PinId=CBCD4F754BFC23A4D47B80A70E2B142F,PinName="Output",PinFriendlyName=NSLOCTEXT("MaterialGraphNode", "Space", " "),Direction="EGPD_Output",PinType.PinCategory="",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_Custom_4 7638160E44A305B6A7B3128EFB72C88E,MaterialGraphNode_624 CE58E0EF4E4B1F62961E90960F80A32B,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/UnrealEd.MaterialGraphNode_Custom Name="MaterialGraphNode_Custom_4" ExportPath="/Script/UnrealEd.MaterialGraphNode_Custom'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_Custom_4'"
Begin Object Class=/Script/Engine.MaterialExpressionCustom Name="MaterialExpressionCustom_0" ExportPath="/Script/Engine.MaterialExpressionCustom'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_Custom_4.MaterialExpressionCustom_0'"
End Object
Begin Object Name="MaterialExpressionCustom_0" ExportPath="/Script/Engine.MaterialExpressionCustom'/Engine/Transient.M_HUDEffects:MaterialGraph_0.MaterialGraphNode_Custom_4.MaterialExpressionCustom_0'"
Code="float2 centerOffset = float2(0, 0);\r\n\r\nfloat2 centerUV = ((uv - 0.5) * 2 - centerOffset) / zoom;\r\n\r\nfloat rSq = dot(centerUV, centerUV);\r\n\r\nfloat model = 1 + rSq * (k1 + rSq * (k2 + rSq * k3));\r\nfloat distort = 1 + (model - 1) * intensity;\r\n\r\nfloat2 distortedUV = centerUV * distort * 0.5 + 0.5;\r\n\r\nreturn distortedUV;\r\n"
OutputType=CMOT_Float2
Description="Radial Distortion"
Inputs(0)=(InputName="uv",Input=(Expression="/Script/Engine.MaterialExpressionTextureCoordinate'MaterialGraphNode_532.MaterialExpressionTextureCoordinate_0'"))
Inputs(1)=(InputName="intensity",Input=(Expression="/Script/Engine.MaterialExpressionScalarParameter'MaterialGraphNode_617.MaterialExpressionScalarParameter_15'"))
Inputs(2)=(InputName="zoom",Input=(Expression="/Script/Engine.MaterialExpressionScalarParameter'MaterialGraphNode_618.MaterialExpressionScalarParameter_16'"))
Inputs(3)=(InputName="k1",Input=(Expression="/Script/Engine.MaterialExpressionScalarParameter'MaterialGraphNode_619.MaterialExpressionScalarParameter_17'"))
Inputs(4)=(InputName="k2",Input=(Expression="/Script/Engine.MaterialExpressionScalarParameter'MaterialGraphNode_620.MaterialExpressionScalarParameter_18'"))
Inputs(5)=(InputName="k3",Input=(Expression="/Script/Engine.MaterialExpressionScalarParameter'MaterialGraphNode_621.MaterialExpressionScalarParameter_19'"))
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MaterialExpressionEditorY=480
MaterialExpressionGuid=894CD0FD4995B5C66FD716B92898EAEE
Material="/Script/UnrealEd.PreviewMaterial'/Engine/Transient.M_HUDEffects'"
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MaterialExpression="/Script/Engine.MaterialExpressionCustom'MaterialExpressionCustom_0'"
NodePosX=-1328
NodePosY=480
NodeGuid=D35F2644418ED9A0411AD8B3FBA8CCCA
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CustomProperties Pin (PinId=1860C3084080CA5025496C953E2147CF,PinName="intensity",PinType.PinCategory="required",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_617 06A72BBB46C22AD28A8542AC988681BD,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=1388463C4496FFE1476084888F438773,PinName="zoom",PinType.PinCategory="required",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_618 901E2C494064ADAC5D6057AF04FC8BCF,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
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DefaultValue=-0.010000
ParameterName="Intensity"
ExpressionGUID=E257B05A48311C80B773018C54F2460A
Group="Radial Distortion"
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ExpressionGUID=76589B354DD0F04EA99A8F96F2E0EA4E
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End Object