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hmodelviewer.cpp
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hmodelviewer.cpp
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/***************************************************************************
* Copyright (C) 2020 by Hramchenko *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
***************************************************************************/
#include "hmodelviewer.h"
#include <GL/gl.h>
#include "hmodel.h"
HModelViewer::HModelViewer(){
}
HModelViewer::~HModelViewer(){
}
void HModelViewer::prepare(HModel *model){
_model=model;
}
void HModelViewer::view(){
glPushMatrix();
for (int i = 0; i < _model->N(); i++)
{
for (int j = 0; j < _model->N(); j++)
{
for (int k = 0; k < _model->N(); k++)
{
long long index[3] = {i, j, k};
if (_model->status(index) == 0)
{
continue;
}
float coords[3];
_model->position(index, coords);
glPushMatrix();
glTranslatef(coords[0], coords[1], coords[2]);
glScalef(_model->delta(), _model->delta(), _model->delta());
drawCube();
glPopMatrix();
}
}
}
glPopMatrix();
}
inline void HModelViewer::drawCube(){
static GLfloat vertices[]={
0, 0, 0,
1, 0, 0,
1, 1, 0,
0, 1, 0,
0, 0, 1,
1, 0, 1,
1, 1, 1,
0, 1, 1
};
char indices[]={
0, 3, 2, 1, 2, 3, 7, 6,
0, 4, 7, 3, 1, 2, 6, 5,
4, 5, 6, 7, 0, 1, 5, 4
};
glPushMatrix();
glEnable(GL_AUTO_NORMAL);
glEnable(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glDrawElements(GL_QUADS, 24, GL_UNSIGNED_BYTE, indices);
glDisable(GL_VERTEX_ARRAY);
glPopMatrix();
}
void HModelViewer::clear(){
}