Files
OpenSpace/modules/autonavigation/pathsegment.h
Emma Broman 4c9874c8d3 Some cleanup
2020-02-27 14:00:37 -05:00

87 lines
3.7 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. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE___PATHSEGMENT___H__
#define __OPENSPACE_MODULE___PATHSEGMENT___H__
#include <modules/autonavigation/camerastate.h>
#include <modules/autonavigation/pathcurves.h>
#include <ghoul/glm.h>
#include <vector>
namespace openspace::autonavigation {
class PathSegment {
public:
PathSegment(CameraState start, CameraState end, double startTime, CurveType type);
~PathSegment() = default;
// Mutators
void setStart(CameraState cs);
void setDuration(double d);
// Accessors
const CameraState start() const;
const CameraState end() const;
const double duration() const;
const double startTime() const;
const double endTime() const;
const double pathLength() const;
const std::vector<glm::dvec3> getControlPoints() const; // TODO: remove this debugging function
double speedAtTime(double time);
// Interpolate along the curve to get the current camera state
CameraState interpolate(double u) const;
private:
void initCurve();
// The speed function describing the shape of the speed curve. Values in [0,1].
struct SpeedFunction {
SpeedFunction() = default;
SpeedFunction(double duration);
double value(double t);
// store the sum of the function over the duration of the segment,
// so we don't need to recompue it every time we access the speed
double integratedSum;
};
CameraState _start;
CameraState _end;
double _startTime;
double _duration;
CurveType _curveType;
SpeedFunction _speedFunction;
std::shared_ptr<PathCurve> _curve;
};
} // namespace openspace::autonavigation
#endif // __OPENSPACE_MODULE___PATHSEGMENT___H__