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Icosaedre.cpp
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#include "Icosaedre.h"
#include <math.h>
#include <iostream>
#include <cstring>
//double lenght=1, glm::vec3 origin=(glm::vec3) * (0,0,0), int sub_div=1
static const float phi = (1+sqrt(5))/2;
Icosaedre::Icosaedre(){
m_lenght=1;
m_origin= glm::vec3(0,0,0);
m_sub_div=1;
}
Icosaedre::Icosaedre(float lenght, glm::vec3 origin, int sub_div):
m_lenght(lenght),
m_origin(origin),
m_sub_div(sub_div)
{}
void Icosaedre::set_param(float lenght, glm::vec3 origin, int sub_div){
m_lenght=lenght;
m_origin=origin;
m_sub_div=sub_div;
}
void Icosaedre::sub_divide(int nb_subdivision){
m_sub_div=nb_subdivision;
calc();
}
size_t Icosaedre::vertex_array_size(){
return sizeof(m_g_vertex_buffer_data);
}
//(a/2,aL/2,0)
//(0,a/2,aL/2)
//(aL/2,0,a/2)
void Icosaedre::calc(){
init();
// m_g_vertex_buffer_data= (GLfloat*) malloc(3 * sizeof(GLfloat) * 20 * 3);
// for(int i=0;i<(20*3);i=i+9){
// for(int j=0;j<3;j++){
//// m_g_vertex_buffer_data[(i+1)]=value(i+j);
//// m_g_vertex_buffer_data[(i+2)]=value(i+j+1);
//// m_g_vertex_buffer_data[(i+3)]=value(i+j+2);
// }
// }
}
void Icosaedre::init(){
GLfloat buffer_data[]={
m_lenght/ 2.0f, (m_lenght* phi)/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
0.0f, m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
-m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
0.0f, -m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
0.0f, m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
0.0f, -m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
0.0f, -m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
-m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
0.0f, -m_lenght/ 2.0f, m_lenght* phi/ 2.0f,
m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
0.0f, -m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
0.0f, -m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, -m_lenght/ 2.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
0.0f, -m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, m_lenght/ 2.0f,
m_lenght* phi/ 2.0f, -m_lenght/ 2.0f, 0.0f,
m_lenght* phi/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
m_lenght* phi/ 2.0f, -m_lenght/ 2.0f, 0.0f,
m_lenght* phi/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght* phi/ 2.0f, -m_lenght/ 2.0f, 0.0f,
-m_lenght* phi/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght* phi/ 2.0f, -m_lenght/ 2.0f, 0.0f,
-m_lenght* phi/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
-m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, -m_lenght/ 2.0f,
m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
0.0f, -m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
m_lenght* phi/ 2.0f, 0.0f, -m_lenght/ 2.0f,
-m_lenght/ 2.0f, -m_lenght* phi/ 2.0f, 0.0f,
0.0f, -m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, -m_lenght/ 2.0f,
-m_lenght/ 2.0f, m_lenght* phi/ 2.0f, 0.0f,
0.0f, m_lenght/ 2.0f, -m_lenght* phi/ 2.0f,
-m_lenght* phi/ 2.0f, 0.0f, -m_lenght/ 2.0f
};
m_g_vertex_buffer_data=(float*) malloc(sizeof(buffer_data));
memcpy(m_g_vertex_buffer_data,buffer_data,sizeof(buffer_data));
// m_g_vertex_buffer_data=buffer_data;
}
GLfloat* Icosaedre::get_vertex_array(){
GLfloat* returned_array = m_g_vertex_buffer_data;
// GLfloat* returned_array = 0;
return returned_array;
}