// particle index

GLint id;

//cell index

GLint cellIdx;

//position

GLfloat x;

GLfloat y;

GLfloat z;

//velocity

GLfloat vx;

GLfloat vy;

GLfloat vz;

//angles

GLfloat theta;

GLfloat alpha;

GLfloat thetaMedium;

GLfloat alphaMedium;

GLint N; // # of neighbors

GLfloat x;

GLfloat y;

GLfloat z;

public:

SystemSPH(unsigned int blocks,

unsigned int threads,

unsigned int xMesh,

unsigned int yMesh,

unsigned int zMesh);

virtual ~SystemSPH();

void Particle_print();

void Indices_print();

void Calc_print();

void Save(const std::string& nameFile);

void Calculate();

// draw methods (openGL)

void DrawParticles();

void BackGround(float r, float g, float b, float a);

void DrawBoundary();

void SeedUpdate(int i);

protected:

private:

//atributes

unsigned int numBlocks, numThreads;

unsigned int numParticles;

unsigned int xMeshDim, yMeshDim, zMeshDim;

unsigned int numIndices;

// buffers to simulation

particle *h_particle; //host psticles

intvec2 *h_inidices; //host indices

calcStruct *h_calc; //host culculation

particle *d_particle; //device psticles

intvec2 *d_inidices; //device indices //NOTE: just to bugs

calcStruct *d_calc; //device calculation

// buffers to openGL

//particles adn indiceCells buffers

GLuint VAO, EBO;

GLuint VBOparticles;

GLuint VBOindices;

GLuint VBOcalc; //buffer for calculation

cudaGraphicsResource_t cudaResourceBufParticles;

cudaGraphicsResource_t cudaResourceBufIndices;

cudaGraphicsResource_t cudaResourceBufCalc;

GLushort *particleIndices;

// Boundary

GLuint VAOboundary, VBOboundary, EBOboundary;

point *boundaryPoints;

GLushort *boundaryIndices;

///////////////// Seedm to generate random numbers //////////////////

GLfloat seed;

//calculate methods

void InitParticleData();

void PosParticleCell();

void SortParticles();

void ClearGridIndices();

void BuiltGridIncices();

void CreateGridIndices();

void CalcOperations();

//plot methods

void PolygonMode();

void CreateBounderiesPoints();

void CreateBounderiesIndices();