portfolio/aquarium/poisson.cpp
thierry_nibert 5b6730b2dc add files
2026-08-01 16:49:57 +02:00

31 lines
943 B
C++

#include "poisson.h"
#include <qmath.h>
#include <QtOpenGL>
#include <random>
Poisson::Poisson(point3D p, point3D v)
{
srand(0);
position = p * drand48();// origine du monde
vitesse = v ;//point3D((rand() % 10)/100.,(rand() % 3)/100.,(rand() % 10)/100.);// veteur null
v_init = vitesse;
distance = 0; // z&éros
}
void Poisson::anime( float temps ){
if(vitesse == point3D(0.,0.,0.))
vitesse = v_init;
position = position + vitesse * temps;
}
bool Poisson::dans_voisinage( point3D p, double seuil){
point3D m = p - position;
distance = sqrtf(pow(m.x,2) +pow(m.z,2) + pow(m.z,2));
return (distance > seuil ? false:true);
}
void Poisson::affiche(){
glColor3d(1.,03,.6);
glBegin(GL_TRIANGLE_STRIP);
glVertex3d(position.x+.5, position.y, position.z);
glVertex3d(position.x, position.y, position.z+1.);
glVertex3d(position.x-.5, position.y, position.z);
glEnd();
}