Answers for "Problem with Lengthening a vector"
https://answers.unrealengine.com/questions/252659/problem-with-lengthening-a-vector.html
The latest answers for the question "Problem with Lengthening a vector"Answer by ScottSpadea
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try subtracting the start vector before multiplying.
right now you are adjusting the end point, but you want to adjust the whole vector, which would be the end vector minus the start vector.
your end vector is not relative to your start vector, its relative to the origin, so multiplying it by a constant would give you a lengthened vector from the origin, when you want a lengthened vector from the start location, so make the vector relative to the start location by subtracting start from end before multiplying.Sat, 04 Jul 2015 15:17:53 GMTScottSpadea