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fix math

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This commit is contained in:
Seth Alves 2016-08-28 21:03:32 -07:00
parent 670e85994d
commit a729a95378
1 changed files with 4 additions and 1 deletions
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5
libraries/physics/src/ObjectActionTravelOriented.cpp
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@ -9,6 +9,8 @@
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <glm/gtc/quaternion.hpp>
#include "QVariantGLM.h"
#include "ObjectActionTravelOriented.h"
@ -64,7 +66,8 @@ void ObjectActionTravelOriented::updateActionWorker(btScalar deltaTimeStep) {
glm::vec3 forwardInWorldFrame = glm::normalize(orientation * _forward);
// find the rotation that would line up velocity and forward
glm::quat rotationalTarget = glm::rotation(forwardInWorldFrame, velocity);
glm::quat neededRotation = ::rotationBetween(forwardInWorldFrame, velocity);
glm::quat rotationalTarget = orientation * neededRotation;
btVector3 targetVelocity(0.0f, 0.0f, 0.0f);
auto alignmentDot = bodyRotation.dot(glmToBullet(rotationalTarget));