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https://github.com/OpenSpace/OpenSpace.git
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84 lines
3.4 KiB
C++
84 lines
3.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2021 *
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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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#ifndef __OPENSPACE_CORE___PATH___H__
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#define __OPENSPACE_CORE___PATH___H__
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#include <openspace/navigation/pathcurve.h>
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#include <openspace/navigation/waypoint.h>
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#include <optional>
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#include <vector>
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namespace openspace {
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struct CameraPose;
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} // namespace openspace
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namespace openspace::interaction {
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class Path {
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public:
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enum CurveType {
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AvoidCollision,
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Linear,
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ZoomOutOverview
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};
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Path(Waypoint start, Waypoint end, CurveType type,
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std::optional<double> duration = std::nullopt);
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Waypoint startPoint() const;
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Waypoint endPoint() const;
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double duration() const;
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double pathLength() const;
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std::vector<glm::dvec3> controlPoints() const;
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CameraPose traversePath(double dt);
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std::string currentAnchor() const;
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bool hasReachedEnd() const;
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CameraPose interpolatedPose(double distance) const;
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private:
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glm::dquat interpolateRotation(double u) const;
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double speedAlongPath(double traveledDistance);
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Waypoint _start;
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Waypoint _end;
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double _duration;
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CurveType _curveType;
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std::unique_ptr<PathCurve> _curve;
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double _speedFactorFromDuration = 1.0;
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// Playback variables
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double _traveledDistance = 0.0;
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double _progressedTime = 0.0; // Time since playback started
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};
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} // namespace openspace::interaction
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#endif // __OPENSPACE_CORE___PATH___H__
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