Combine Rotators in CPP

Development Programming & Scripting
1

How can I get the same effect as this function in c++?

Thanks,
Sammy

2

You can just use the + or += operators.

RotatorA + RotatorB = RotatorC; // A + B, the new result is stored in C.

RotatorA += RotatorB; // A + B, the new result is stored in A.
2 Likes
3

Nice and easy, thank you very much.

4

The function is actually implemented with quaternions so you might get different results to simply adding together rotators in some cases.

Actual code:

FRotator UKismetMathLibrary::ComposeRotators(FRotator A, FRotator B)
{
	FQuat AQuat = FQuat(A);
	FQuat BQuat = FQuat(B);

	return FRotator(BQuat*AQuat);
}
3 Likes
5

thanks.
also possible to write it in one line if somebody needs to:

return FRotator(FQuat(A)*FQuat(B));

3 Likes
6

Just for the records and in case someone finds this suggestion and gets strange results, the product (composition) of quaternions is non-commutative, so it should be:

return FRotator(FQuat(B)*FQuat(A))

as order matters.