mirror of
https://github.com/OpenSpace/OpenSpace.git
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121 lines
5.1 KiB
C++
121 lines
5.1 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 __SCREENSPACERENDERABLE_H__
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#define __SCREENSPACERENDERABLE_H__
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#include <ghoul/opengl/programobject.h>
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#include <openspace/engine/wrapper/windowwrapper.h>
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#include <openspace/properties/propertyowner.h>
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#include <openspace/properties/vectorproperty.h>
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#include <openspace/properties/scalarproperty.h>
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#include <openspace/properties/stringproperty.h>
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#include <ghoul/opengl/texture.h>
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#include <modules/onscreengui/include/gui.h>
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#include <openspace/rendering/renderengine.h>
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#include <openspace/engine/openspaceengine.h>
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#include <ghoul/opengl/textureunit.h>
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#include <openspace/util/camera.h>
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#ifdef WIN32
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#define _USE_MATH_DEFINES
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#include <math.h>
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#endif
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namespace openspace {
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/**
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* @brief The base class for screen scape images and screen space framebuffers
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* @details This base class handles general functionality specific to planes that
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* are rendered infront of the camera. It implements protected methods and properties for converting
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* the planes from spherical to euclidean coordinates and back. It also specifies the interface
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* that it's children needs to implement.
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*/
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class ScreenSpaceRenderable : public properties::PropertyOwner {
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public:
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ScreenSpaceRenderable();
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~ScreenSpaceRenderable();
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virtual void render() = 0;
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virtual bool initialize() = 0;
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virtual bool deinitialize() = 0;
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virtual void update() = 0;
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virtual bool isReady() const = 0;
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bool isEnabled() const;
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glm::vec2 euclideanPosition() const {return _euclideanPosition.value();};
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glm::vec2 sphericalPosition() const {return _sphericalPosition.value();};
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float depth() const {return _depth.value();};
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protected:
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void createPlane();
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void useEuclideanCoordinates(bool b);
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/**
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* @brief Converts vec2 polar coordinates to euclidean
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*
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* @param polar the coordinates theta and phi
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* @param radius the radius position value of the plane
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*
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* @return glm::vec2 with the x and y position value of the plane
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*/
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glm::vec2 toEuclidean(glm::vec2 polar, float radius);
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/**
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* @brief Converts vec2 euclidean coordinates to sperical
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*
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* @param euclidean the coordinates x and y
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* @return glm::vec2 with the spherical coordinates theta and phi.
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*/
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glm::vec2 toSpherical(glm::vec2 euclidean);
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void registerProperties();
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void createShaders();
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glm::mat4 scaleMatrix();
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glm::mat4 rotationMatrix();
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glm::mat4 translationMatrix();
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void draw(glm::mat4 modelTransform);
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properties::BoolProperty _enabled;
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properties::BoolProperty _useFlatScreen;
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properties::Vec2Property _euclideanPosition;
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properties::Vec2Property _sphericalPosition;
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properties::FloatProperty _depth;
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properties::FloatProperty _scale;
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properties::FloatProperty _alpha;
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GLuint _quad;
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GLuint _vertexPositionBuffer;
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const std::string _rendererPath;
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ghoul::Dictionary _rendererData;
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const std::string _vertexPath;
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const std::string _fragmentPath;
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std::unique_ptr<ghoul::opengl::Texture> _texture;
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std::unique_ptr<ghoul::opengl::ProgramObject> _shader;
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bool _useEuclideanCoordinates;
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const float _planeDepth = -2.0;
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glm::vec2 _originalViewportSize;
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float _radius;
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};
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} // namespace openspace
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#endif // __SCREENSPACERENDERABLE_H__
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