/************************************************************************************************************************************* *The MIT License(MIT) * *Copyright(c) 2016 Jan Kaniewski(Getnamo) *Modified work Copyright(C) 2019 - 2021 Ultraleap, Inc. * *Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation *files(the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, *merge, publish, distribute, sublicense, and / or sell copies of the Software, and to permit persons to whom the Software is *furnished to do so, subject to the following conditions : * *The above copyright notice and this permission notice shall be included in all copies or *substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE *FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN *CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *************************************************************************************************************************************/ #include "BodyStateUtility.h" DEFINE_LOG_CATEGORY(BodyStateLog); FRotator FBodyStateUtility::CombineRotators(FRotator A, FRotator B) { FQuat AQuat = FQuat(A); FQuat BQuat = FQuat(B); return FRotator(BQuat * AQuat); } float FBodyStateUtility::AngleBetweenVectors(FVector A, FVector B) { float dotAB = FVector::DotProduct(A, B); float bottom = (A.Size() * B.Size()); if (bottom != 0) { return FMath::Acos(dotAB / bottom); } else { return 0.f; } }