Files
OpenSpace/modules/autonavigation/rotationinterpolator.cpp
Emma Broman 138c2a269d Refactor
2020-04-29 09:29:33 +02:00

74 lines
3.6 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2019 *
* *
* 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 <modules/autonavigation/pathcurves.h>
#include <modules/autonavigation/helperfunctions.h>
#include <modules/autonavigation/waypoint.h>
#include <ghoul/logging/logmanager.h>
namespace {
constexpr const char* _loggerCat = "RotationInterpolator";
} // namespace
namespace openspace::autonavigation {
RotationInterpolator::RotationInterpolator(const glm::dquat start, const glm::dquat end)
: _start(start), _end(end)
{}
EasedSlerpInterpolator::EasedSlerpInterpolator(glm::dquat start, glm::dquat end)
: RotationInterpolator(start, end)
{}
glm::dquat EasedSlerpInterpolator::interpolate(double u) {
double uScaled = helpers::shiftAndScale(u, 0.1, 0.9);
uScaled = ghoul::cubicEaseInOut(uScaled);
return glm::slerp(_start, _end, uScaled);
}
LookAtInterpolator::LookAtInterpolator(glm::dquat start, glm::dquat end,
glm::dvec3 startLookAtPos,
glm::dvec3 endLookAtPos,
PathCurve* path)
: RotationInterpolator(start, end),
_startLookAtPos(startLookAtPos),
_endLookAtPos(endLookAtPos),
_path(path)
{}
glm::dquat LookAtInterpolator::interpolate(double u) {
double tStart = 0.15;
double tEnd = 0.7;
double uNew = helpers::shiftAndScale(u, tStart, tEnd);
uNew = ghoul::cubicEaseInOut(uNew);
glm::dvec3 lookAtPos = interpolation::linear(uNew, _startLookAtPos, _endLookAtPos);
glm::dvec3 startUpVec = _start * glm::dvec3(0.0, 1.0, 0.0);
return helpers::getLookAtQuaternion(_path->positionAt(u), lookAtPos, startUpVec);
}
} // namespace openspace::autonavigation