UKismetMathLibrary::Add_Vector4Vector4
#include "Kismet/KismetMathLibrary.h"
Access: public
Specifiers: staticUFUNCTIONBlueprintPure
Description
Returns the component-wise sum of two FVector4 values (A + B). All four components (X, Y, Z, W) are added independently.
Caveats & Gotchas
- • W is added just like X, Y, Z. If your vectors represent homogeneous coordinates (W=1 for points, W=0 for directions), the result's W will be 2 for point+point — which is typically not what you want. Use FVector addition instead for positional math.
- • There is no scalar overload exposed to Blueprint for Vector4; to add a uniform offset you must construct a Vector4 first.
Signature
static UE_INL_API FVector4 Add_Vector4Vector4(const FVector4& A, const FVector4& B)Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| A | const FVector4& | First vector. | — |
| B | const FVector4& | Second vector. | — |
Return Type
FVector4 Example
Accumulate two Vector4 offsets C++
FVector4 A(1.0, 2.0, 3.0, 0.0);
FVector4 B(4.0, 5.0, 6.0, 0.0);
FVector4 Result = UKismetMathLibrary::Add_Vector4Vector4(A, B);
// Result == (5, 7, 9, 0)Version History
Introduced in: 4.0
| Version | Status | Notes |
|---|---|---|
| 5.6 | stable | — |
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