Files
OpenSpace/modules/newhorizons/rendering/renderablefov.h
2016-07-31 21:43:55 +02:00

134 lines
4.8 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* 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 __RENDERABLEFOV_H__
#define __RENDERABLEFOV_H__
#include <openspace/rendering/renderable.h>
#include <openspace/util/spicemanager.h>
#include <ghoul/glm.h>
namespace ghoul {
namespace opengl {
class ProgramObject;
class Texture;
} // namespace opengl
} // namespace ghoul
namespace openspace {
class RenderableFov : public Renderable {
public:
RenderableFov(const ghoul::Dictionary& dictionary);
bool initialize() override;
bool deinitialize() override;
bool isReady() const override;
void render(const RenderData& data) override;
void update(const UpdateData& data) override;
private:
void loadTexture();
void allocateData();
void insertPoint(std::vector<float>& arr, glm::vec4 p, glm::vec4 c);
void fovSurfaceIntercept(bool H[], std::vector<glm::dvec3> bounds);
void determineTarget();
void updateGPU();
void sendToGPU();
void computeColors();
void computeIntercepts(const RenderData& data);
psc orthogonalProjection(glm::dvec3 camvec);
psc checkForIntercept(glm::dvec3 ray);
psc pscInterpolate(psc p0, psc p1, float t);
glm::dvec3 interpolate(glm::dvec3 p0, glm::dvec3 p1, float t);
glm::dvec3 bisection(glm::dvec3 p1, glm::dvec3 p2);
// properties
properties::FloatProperty _lineWidth;
properties::BoolProperty _drawSolid;
std::unique_ptr<ghoul::opengl::ProgramObject> _programObject;
ghoul::opengl::Texture* _texture;
// instance variables
int _nrInserted = 0;
bool _rebuild = false;
bool _interceptTag[8];
bool _withinFOV;
std::vector<psc> _projectionBounds;
psc _interceptVector;
std::vector<float> _fovBounds;
std::vector<float> _fovPlane;
// spice
std::string _spacecraft;
std::string _observer;
std::string _frame;
std::string _instrumentID;
SpiceManager::AberrationCorrection _aberrationCorrection;
std::string _fovTarget;
glm::dvec3 ipoint, ivec;
glm::dvec3 _previousHalf;
glm::dvec3 _boresight;
glm::dmat3 _stateMatrix;
glm::mat4 _spacecraftRotation;
std::vector<glm::dvec3> _bounds;
std::vector<std::string> _potentialTargets;
bool _drawFOV;
// GPU
GLuint _fovBoundsVAO;
GLuint _fovBoundsVBO;
unsigned int _vBoundsSize;
GLuint _fovPlaneVAO;
GLuint _fovPlaneVBO;
unsigned int _vPlaneSize;
GLenum _mode;
// time
double _time = 0;
double _oldTime = 0;
// colors
glm::vec4 col_sq; // orthogonal white square
glm::vec4 col_project; // color when projections occur
glm::vec4 col_start; // intersection start color
glm::vec4 col_end; // intersection end color
glm::vec4 col_blue; // withinFov color
glm::vec4 col_gray; // no intersection color
};
} // namespace openspace
#endif // __RENDERABLEFOV_H__