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