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OpenSpace/modules/galaxy/rendering/galaxyraycaster.h
2017-05-11 13:56:06 -04:00

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4.0 KiB
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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2017 *
* *
* 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 *
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* 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 *
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****************************************************************************************/
#ifndef __OPENSPACE_MODULE_GALAXY___GALAXYRAYCASTER___H__
#define __OPENSPACE_MODULE_GALAXY___GALAXYRAYCASTER___H__
#include <memory>
#include <ghoul/glm.h>
#include <string>
#include <vector>
#include <openspace/rendering/volumeraycaster.h>
#include <openspace/util/boxgeometry.h>
#include <openspace/util/blockplaneintersectiongeometry.h>
namespace ghoul {
namespace opengl {
class Texture;
class TextureUnit;
class ProgramObject;
}
}
namespace openspace {
struct RenderData;
class RaycastData;
class GalaxyRaycaster : public VolumeRaycaster {
public:
GalaxyRaycaster(ghoul::opengl::Texture& texture);
virtual ~GalaxyRaycaster();
void initialize();
void deinitialize();
void renderEntryPoints(const RenderData& data, ghoul::opengl::ProgramObject& program) override;
void renderExitPoints(const RenderData& data, ghoul::opengl::ProgramObject& program) override;
void preRaycast(const RaycastData& data, ghoul::opengl::ProgramObject& program) override;
void postRaycast(const RaycastData& data, ghoul::opengl::ProgramObject& program) override;
bool cameraIsInside(const RenderData& data, glm::vec3& localPosition) override;
std::string getBoundsVsPath() const override;
std::string getBoundsFsPath() const override;
std::string getRaycastPath() const override;
std::string getHelperPath() const override;
void setAspect(const glm::vec3& aspect);
void setModelTransform(glm::mat4 transform);
void setTime(double time);
void setStepSize(float stepSize);
void setOpacityCoefficient(float opacityCoefficient);
private:
BoxGeometry _boundingBox;
float _stepSize;
glm::mat4 _modelTransform;
glm::vec3 _aspect;
double _time;
float _opacityCoefficient;
ghoul::opengl::Texture& _texture;
std::unique_ptr<ghoul::opengl::TextureUnit> _textureUnit;
}; // GalaxyRaycaster
} // namespace openspace
#endif // __OPENSPACE_MODULE_GALAXY___GALAXYRAYCASTER___H__