It really depends on the complexity that you want. But the core logic is to compare Touch1 & Touch2 location:
[SPOILER]
Begin Object Class=/Script/BlueprintGraph.K2Node_VariableSet Name="K2Node_VariableSet_20"
VariableReference=(MemberName="Touch1_value",MemberGuid=9C238E6E40994870E43EA7B3AECB9CCB,bSelfContext=True)
NodePosX=1632
NodePosY=528
NodeGuid=DC53404144343C2D4E58E1AD9F09ACE6
CustomProperties Pin (PinId=08E3A1B340B7735BF4A372A6E331806B,PinName="execute",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableSet_3 F88F8E7347A68D57C1A3C891477C9765,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=5F04F25446997F6C96215DB61C0102EF,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=11F44C5149DF6DE805CA03BD4A491273,PinName="Touch1_value",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,SubPins=(K2Node_VariableSet_20 F178502744A7E564F489E9BBB36087BE,K2Node_VariableSet_20 4DD96DEA440591801949D38F0DA21B6B,),PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=F178502744A7E564F489E9BBB36087BE,PinName="Touch1_value_X",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Touch 1 Value", "ProtoPinDisplayName", "X"),PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_1 48D86DDC4CEA6AFCB75811AF500E6637,),ParentPin=K2Node_VariableSet_20 11F44C5149DF6DE805CA03BD4A491273,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=4DD96DEA440591801949D38F0DA21B6B,PinName="Touch1_value_Y",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Touch 1 Value", "ProtoPinDisplayName", "Y"),PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_2 5203D8DF40731EF5498109BDFD647632,),ParentPin=K2Node_VariableSet_20 11F44C5149DF6DE805CA03BD4A491273,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=CFBDE4384BE3AB56F67B12904FE6074A,PinName="Output_Get",PinToolTip="Retrieves the value of the variable, can use instead of a separate Get node",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_10 E5B31FBA433941F73D8F539EC0908E82,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=EBB5637C47E3FBF6D61B5881810ACDA5,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=BlueprintGeneratedClass'"/Game/Blueprints/Pawn/BP_InteractiveCamera.BP_InteractiveCamera_C"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_VariableSet Name="K2Node_VariableSet_21"
VariableReference=(MemberName="Touch2_value",MemberGuid=7BAAD4F44B1F06B0019021AFC6194620,bSelfContext=True)
NodePosX=1632
NodePosY=624
NodeGuid=A02F2A8143B7CA4183F711AFF18617DE
CustomProperties Pin (PinId=0EC19E33410A32E23DDCE1B489E5F61A,PinName="execute",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_SwitchEnum_1 8BAF3F26412D15A9F439E99DC5C76489,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=5AC039FF41EF5645549512902EFC152E,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableSet_22 F1DFB6DD45E714A7763A7CA8DFF02F9D,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=F746558D4DAB3968448266A78656D2BD,PinName="Touch2_value",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,SubPins=(K2Node_VariableSet_21 9A88D9CC4FE4E3CC2CA2A98E6244A025,K2Node_VariableSet_21 53BB9FF24A1652EC97EEB3B105C0364C,),PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=9A88D9CC4FE4E3CC2CA2A98E6244A025,PinName="Touch2_value_X",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Touch 2 Value", "ProtoPinDisplayName", "X"),PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_1 48D86DDC4CEA6AFCB75811AF500E6637,),ParentPin=K2Node_VariableSet_21 F746558D4DAB3968448266A78656D2BD,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=53BB9FF24A1652EC97EEB3B105C0364C,PinName="Touch2_value_Y",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Touch 2 Value", "ProtoPinDisplayName", "Y"),PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_2 5203D8DF40731EF5498109BDFD647632,),ParentPin=K2Node_VariableSet_21 F746558D4DAB3968448266A78656D2BD,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=461B832C4339D65A47C058BF874E66A5,PinName="Output_Get",PinToolTip="Retrieves the value of the variable, can use instead of a separate Get node",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_10 02BEB6CF4DC3527B4121B3BEE610775A,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=505EB2CB436D4D803DE072AFA2FC1D44,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=BlueprintGeneratedClass'"/Game/Blueprints/Pawn/BP_InteractiveCamera.BP_InteractiveCamera_C"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_VariableSet Name="K2Node_VariableSet_22"
VariableReference=(MemberName="ZoomTouchValue",MemberGuid=D94CA9EB402B063D914C63A2650DC173,bSelfContext=True)
NodePosX=2192
NodePosY=624
NodeGuid=614D54AA43A19893A65DCA90D30A055E
CustomProperties Pin (PinId=F1DFB6DD45E714A7763A7CA8DFF02F9D,PinName="execute",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableSet_21 5AC039FF41EF5645549512902EFC152E,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=9826D0EB426BD735A06BB38CFB9AD8A3,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=23FAE47944E1048BB4574990335CAAA9,PinName="ZoomTouchValue",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_CallFunction_10 B7EC3BC4437B3D28373BB89D4B31D6E1,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=7FC0B41E495F5F6E463500B55D15B2CC,PinName="Output_Get",PinToolTip="Retrieves the value of the variable, can use instead of a separate Get node",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=240BD6CB4E55605F2A6D38A41AA7C4E4,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=BlueprintGeneratedClass'"/Game/Blueprints/Pawn/BP_InteractiveCamera.BP_InteractiveCamera_C"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_10"
bIsPureFunc=True
FunctionReference=(MemberParent=Class'"/Script/Engine.KismetMathLibrary"',MemberName="Distance2D")
NodePosX=1904
NodePosY=672
NodeGuid=0ED706B7449F7D9D8C7D6581D7FB71CD
CustomProperties Pin (PinId=3DAF41F6409BE338086A2581D23BC71E,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target
Kismet Math Library Object Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'"/Script/Engine.KismetMathLibrary"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetMathLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=E5B31FBA433941F73D8F539EC0908E82,PinName="V1",PinToolTip="V1
Vector 2D Structure
The first point.",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableSet_20 CFBDE4384BE3AB56F67B12904FE6074A,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=02BEB6CF4DC3527B4121B3BEE610775A,PinName="V2",PinToolTip="V2
Vector 2D Structure
The second point.",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector2D"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableSet_21 461B832C4339D65A47C058BF874E66A5,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=B7EC3BC4437B3D28373BB89D4B31D6E1,PinName="ReturnValue",PinToolTip="Return Value
Float
The distance between two 2D points.",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_VariableSet_22 23FAE47944E1048BB4574990335CAAA9,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_InputTouch Name="K2Node_InputTouch_0"
NodePosX=688
NodePosY=752
NodeGuid=996176B04131E56DA2114DB5A2406D34
CustomProperties Pin (PinId=CFCB410D4BF6BF37D2891ABCC8004DA5,PinName="Pressed",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_SwitchEnum_1 CB4552ED4A5812BE36618C81F9D4C966,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=C6EDD9D04ACF5F3AB8F68A9710A5AAFA,PinName="Released",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_SwitchEnum_0 CB4552ED4A5812BE36618C81F9D4C966,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=478871234DDC569B37A4599A46B895D7,PinName="Moved",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=316029E540E9CC37D5CB85A00EB8B03F,PinName="Location",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'"/Script/CoreUObject.Vector"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,SubPins=(K2Node_InputTouch_0 9EFB264D491978A3269E26A2E0D3110F,K2Node_InputTouch_0 725121B745365AE3088D559733A3B838,K2Node_InputTouch_0 66711B3C40844A6D7B8019934CD2766A,),PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=9EFB264D491978A3269E26A2E0D3110F,PinName="Location_X",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Location", "ProtoPinDisplayName", "X"),Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_1 5426970241351CBE7FEBDD9B14C4E5C4,),ParentPin=K2Node_InputTouch_0 316029E540E9CC37D5CB85A00EB8B03F,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=725121B745365AE3088D559733A3B838,PinName="Location_Y",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Location", "ProtoPinDisplayName", "Y"),Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_Knot_2 109CB7C7401C594D286BE3AD8882CF7A,),ParentPin=K2Node_InputTouch_0 316029E540E9CC37D5CB85A00EB8B03F,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=66711B3C40844A6D7B8019934CD2766A,PinName="Location_Z",PinFriendlyName=LOCGEN_FORMAT_NAMED(NSLOCTEXT("KismetSchema", "SplitPinFriendlyNameFormat", "{PinDisplayName} {ProtoPinDisplayName}"), "PinDisplayName", "Location", "ProtoPinDisplayName", "Z"),Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",ParentPin=K2Node_InputTouch_0 316029E540E9CC37D5CB85A00EB8B03F,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
CustomProperties Pin (PinId=A9F8F82F406A4F5CF21C1B8696B79849,PinName="FingerIndex",Direction="EGPD_Output",PinType.PinCategory="byte",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Enum'"/Script/InputCore.ETouchIndex"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_SwitchEnum_1 94705AF94DAF3DB73CBB1B9C696CB110,K2Node_SwitchEnum_0 94705AF94DAF3DB73CBB1B9C696CB110,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
[/SPOILER]
This should work on a basic system. But, it introduces jittering and inconsistent pinch effect afterwards. To fix this, you need to store the initial and end location for each Touch index. Jitter can be reduced by using FInterpTo function accordingly.