blueprint
Calculate Focal Length

Exposure: public
UE Version: 5.0
extralush

May 16, 2022, 9:29 am
Calculates the Focal Length of a camera based on the sensor width and the horizontal field of view.
FocalLength = ( ScreenWidth / Tan( FOV / 2 ) ) / 2
Code to copy
Begin Object Class=/Script/BlueprintGraph.K2Node_FunctionEntry Name="K2Node_FunctionEntry_0"
   MetaData=(Category=NSLOCTEXT("KismetSchema", "Default", "Default"))
   ExtraFlags=469893120
   FunctionReference=(MemberName="CalculateFocalLength")
   bIsEditable=True
   NodePosX=-1648
   NodeGuid=C62E6AB649DAEE8F2D97C5858BEB3F73
   CustomProperties Pin (PinId=923123F24082090DC3D80CAB643C7224,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_FunctionResult_0 36545C3D45210864D8B92C9F2B2F4272,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=0159E4094EFBEE73464501B006D44AC7,PinName="Sensor Width",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_PromotableOperator_1 06D1922A476C004BBCC7C6B3CEE86410,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=D454621346523D08FB16ECB4DF552A3A,PinName="Field of View",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_PromotableOperator_2 693BCAB1453D6EAC72AE11AD20A67F46,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties UserDefinedPin (PinName="Sensor Width",PinType=(PinCategory="float"),DesiredPinDirection=EGPD_Output)
   CustomProperties UserDefinedPin (PinName="Field of View",PinType=(PinCategory="float"),DesiredPinDirection=EGPD_Output)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_FunctionResult Name="K2Node_FunctionResult_0"
   FunctionReference=(MemberName="CalculateFocalLength")
   bIsEditable=True
   NodePosX=-592
   NodeGuid=992870A24DB46E9A34B138869741A292
   CustomProperties Pin (PinId=36545C3D45210864D8B92C9F2B2F4272,PinName="execute",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_FunctionEntry_0 923123F24082090DC3D80CAB643C7224,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=68B71A7E41910CD9418C7B9D8F26CF22,PinName="Focal Length",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_PromotableOperator_0 6A9D856C4F00B4757CC538B1E1BCDD69,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties UserDefinedPin (PinName="Focal Length",PinType=(PinCategory="float"),DesiredPinDirection=EGPD_Input,PinDefaultValue="0.0")
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_PromotableOperator Name="K2Node_PromotableOperator_0"
   bIsPureFunc=True
   FunctionReference=(MemberParent=Class'"/Script/Engine.KismetMathLibrary"',MemberName="Divide_FloatFloat")
   NodePosX=-784
   NodePosY=48
   NodeGuid=62E70B36434EE7B26586A2901B3B6102
   CustomProperties Pin (PinId=639986BF4FFEF333C88F6E83BE63DE52,PinName="A",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_PromotableOperator_1 7141E1F8486FABA70F64AB8AC5317297,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=F2095DB848A9DD82C466E2A2A902BED7,PinName="B",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultValue="2.000000",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=6A9D856C4F00B4757CC538B1E1BCDD69,PinName="ReturnValue",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_FunctionResult_0 68B71A7E41910CD9418C7B9D8F26CF22,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_PromotableOperator Name="K2Node_PromotableOperator_1"
   bIsPureFunc=True
   FunctionReference=(MemberParent=Class'"/Script/Engine.KismetMathLibrary"',MemberName="Divide_FloatFloat")
   NodePosX=-960
   NodePosY=48
   NodeGuid=4484D983429368D8BA55718AA18C1452
   CustomProperties Pin (PinId=06D1922A476C004BBCC7C6B3CEE86410,PinName="A",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_FunctionEntry_0 0159E4094EFBEE73464501B006D44AC7,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=F368EE464CC294352C6144807AABD026,PinName="B",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_CallFunction_2 873B07C84C2A438F179586A2FC1EFC3F,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=7141E1F8486FABA70F64AB8AC5317297,PinName="ReturnValue",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_PromotableOperator_0 639986BF4FFEF333C88F6E83BE63DE52,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_2"
   bIsPureFunc=True
   FunctionReference=(MemberParent=Class'"/Script/Engine.KismetMathLibrary"',MemberName="DegTan")
   NodePosX=-1184
   NodePosY=80
   NodeGuid=AC53C32E46ED6E08CD0680AC4A0B38C7
   CustomProperties Pin (PinId=BE7C65ED43887E5D2AA536BDAF737D03,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nKismet Math Library Object Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'"/Script/Engine.KismetMathLibrary"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultObject="/Script/Engine.Default__KismetMathLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=B71367C740122CC387E706A945BC326C,PinName="A",PinToolTip="A\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_PromotableOperator_2 65FB4842480BB39CEC52C99A0E4D301D,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=873B07C84C2A438F179586A2FC1EFC3F,PinName="ReturnValue",PinToolTip="Return Value\nFloat\n\nReturns the tan of A (expects Degrees)",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultValue="0.0",AutogeneratedDefaultValue="0.0",LinkedTo=(K2Node_PromotableOperator_1 F368EE464CC294352C6144807AABD026,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_PromotableOperator Name="K2Node_PromotableOperator_2"
   bIsPureFunc=True
   FunctionReference=(MemberParent=Class'"/Script/Engine.KismetMathLibrary"',MemberName="Divide_FloatFloat")
   NodePosX=-1392
   NodePosY=80
   NodeGuid=35C0FE54402EF3BEC2469A9EA1E4B385
   CustomProperties Pin (PinId=693BCAB1453D6EAC72AE11AD20A67F46,PinName="A",PinToolTip="A\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_FunctionEntry_0 D454621346523D08FB16ECB4DF552A3A,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=AB1B00AF4D7F5606BA36EBA876173DCC,PinName="B",PinToolTip="B\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,DefaultValue="2.000000",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=65FB4842480BB39CEC52C99A0E4D301D,PinName="ReturnValue",PinToolTip="Return Value\nFloat\n\nDivision (A / B)",Direction="EGPD_Output",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,LinkedTo=(K2Node_CallFunction_2 B71367C740122CC387E706A945BC326C,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Click the button above, it will automatically copy blueprint in your clipboard. Then in Unreal Engine blueprint editor, paste it with ctrl + v
Code to Embed
Calculate Focal Length

extralush

Join blueprintUE

share your blueprint in new visual way!

Reset your password
