Files
OpenSpace/modules/planetbrowsing/rendering/gridgeometry.h
2016-03-31 13:14:44 -04:00

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