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74 lines
3.6 KiB
C++
74 lines
3.6 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2019 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/autonavigation/pathcurves.h>
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#include <modules/autonavigation/helperfunctions.h>
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#include <modules/autonavigation/waypoint.h>
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#include <ghoul/logging/logmanager.h>
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namespace {
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constexpr const char* _loggerCat = "RotationInterpolator";
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} // namespace
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namespace openspace::autonavigation {
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RotationInterpolator::RotationInterpolator(const glm::dquat start, const glm::dquat end)
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: _start(start), _end(end)
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{}
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EasedSlerpInterpolator::EasedSlerpInterpolator(glm::dquat start, glm::dquat end)
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: RotationInterpolator(start, end)
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{}
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glm::dquat EasedSlerpInterpolator::interpolate(double u) {
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double uScaled = helpers::shiftAndScale(u, 0.1, 0.9);
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uScaled = ghoul::cubicEaseInOut(uScaled);
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return glm::slerp(_start, _end, uScaled);
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}
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LookAtInterpolator::LookAtInterpolator(glm::dquat start, glm::dquat end,
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glm::dvec3 startLookAtPos,
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glm::dvec3 endLookAtPos,
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PathCurve* path)
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: RotationInterpolator(start, end),
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_startLookAtPos(startLookAtPos),
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_endLookAtPos(endLookAtPos),
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_path(path)
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{}
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glm::dquat LookAtInterpolator::interpolate(double u) {
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double tStart = 0.15;
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double tEnd = 0.7;
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double uNew = helpers::shiftAndScale(u, tStart, tEnd);
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uNew = ghoul::cubicEaseInOut(uNew);
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glm::dvec3 lookAtPos = interpolation::linear(uNew, _startLookAtPos, _endLookAtPos);
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glm::dvec3 startUpVec = _start * glm::dvec3(0.0, 1.0, 0.0);
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return helpers::getLookAtQuaternion(_path->positionAt(u), lookAtPos, startUpVec);
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}
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} // namespace openspace::autonavigation
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