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78 lines
3.4 KiB
C++
78 lines
3.4 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 __GRIDGEOMETRY_H__
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#define __GRIDGEOMETRY_H__
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#include <ghoul/opengl/ghoul_gl.h>
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#include <glm/glm.hpp>
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#include <modules/globebrowsing/rendering/geometry.h>
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#include <vector>
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namespace openspace {
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class GridGeometry : public Geometry
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{
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public:
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GridGeometry(
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unsigned int xRes,
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unsigned int yRes,
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Positions usePositions = Positions::No,
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TextureCoordinates useTextures = TextureCoordinates::No,
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Normals useNormals = Normals::No
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);
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~GridGeometry();
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inline const unsigned int xResolution() const;
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inline const unsigned int yResolution() const;
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inline static size_t numElements(unsigned int xRes, unsigned int yRes);
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static size_t numVertices(unsigned int xRes, unsigned int yRes);
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private:
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static std::vector<GLuint> CreateElements(unsigned int xRes, unsigned int yRes);
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static std::vector<glm::vec4> CreatePositions(
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unsigned int xRes,
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unsigned int yRes,
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float xSize = 1.0f,
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float ySize = 1.0f,
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float xOffset = 0.0f,
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float yOffset = 0.0f);
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static std::vector<glm::vec2> CreateTextureCoordinates(
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unsigned int xRes,
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unsigned int yRes);
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static std::vector<glm::vec3> CreateNormals(unsigned int xRes, unsigned int yRes);
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inline static void validate(unsigned int xRes, unsigned int yRes);
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inline void validateIndices(unsigned int x, unsigned int y);
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unsigned int _xRes;
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unsigned int _yRes;
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};
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} // namespace openspace
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#endif // __GRIDGEOMETRY_H__
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