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90 lines
3.8 KiB
C++
90 lines
3.8 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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#ifndef __OPENSPACE_MODULE___PATHSEGMENT___H__
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#define __OPENSPACE_MODULE___PATHSEGMENT___H__
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#include <modules/autonavigation/pathcurves.h>
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#include <modules/autonavigation/waypoint.h>
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#include <ghoul/glm.h>
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#include <vector>
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namespace openspace::autonavigation {
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class PathSegment {
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public:
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PathSegment(Waypoint start, Waypoint end, CurveType type);
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~PathSegment() = default;
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// Mutators
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void setStart(Waypoint wp);
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void setDuration(double d);
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// Accessors
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const Waypoint start() const;
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const Waypoint end() const;
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const double duration() const;
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const double pathLength() const;
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const std::vector<glm::dvec3> getControlPoints() const; // TODO: remove this debugging function
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CameraPose traversePath(double dt);
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std::string getCurrentAnchor() const;
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bool hasReachedEnd() const;
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double speedAtTime(double time) const;
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CameraPose interpolatedPose(double u) const;
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private:
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void initCurve();
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// The speed function describing the shape of the speed curve. Values in [0,1].
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struct SpeedFunction {
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SpeedFunction() = default;
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SpeedFunction(double duration);
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double value(double t) const;
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// store the sum of the function over the duration of the segment,
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// so we don't need to recompue it every time we access the speed
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double integratedSum;
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};
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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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SpeedFunction _speedFunction;
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std::shared_ptr<PathCurve> _curve;
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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::autonavigation
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#endif // __OPENSPACE_MODULE___PATHSEGMENT___H__
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