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pendule.cpp
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Wed, Dec 11, 10:55

pendule.cpp
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#include "pendule.h"
#include "models/glsphere.h"
#include "pendules.h"
#include "graphtools.h"
#include "pendulepanel.h"
using namespace symkit;
#ifndef M_PI
#define M_PI 3.141592654
#endif
const Vector Pendule::p = {M_PI / 2};
const Vector Pendule::p_prime = {- M_PI / 4};
const double Pendule::l = 5.0;
const double Pendule::m = 1.0;
Pendule::Pendule(models::GLSphere * model, SVector<3> offset, const QString& label)
: OscillatorParticle(NULL, model, offset, label)
{
/* initialize descriptor */
pendule = new PenduleS(p, p_prime, l, m);
/* bind the descriptor */
bind(pendule);
/* set fill mode to false (default true) */
toggleFillMode();
/* set evolving to true (default false) */
toggleEvolving();
panel = new PenduleSimplePanel(this);
}
Pendule::Pendule(models::GLSphere * model, const Vector& p, const Vector& p_prime, const double& l, const double& m, SVector<3> offset)
: OscillatorParticle(NULL, model, offset, "Simple pendule")
{
/* initialize descriptor */
pendule = new PenduleS(p, p_prime, l, m);
/* bind the descriptor */
bind(pendule);
/* set fill mode to false (default true) */
toggleFillMode();
/* set evolving to true (default false) */
toggleEvolving();
panel = new PenduleSimplePanel(this);
}
Pendule::~Pendule()
{
/* Release descriptor */
release();
delete pendule;
delete panel;
}
#include "skerror.h"
using namespace symkit;
void Pendule::initialize()
{
if (!isBound())
throw SKError(ERR_INIT,
"initialize",
"alpha.Pendule",
"Descriptor isn't bound");
}
#include "assets.h" // colorGradientFunction
/* set color */
void Pendule::evolve(float)
{
setColor( beta::colorGradientFunction(pendule->kineticEnergy(), 80.0) );
}
#include <QGLShaderProgram>
/* draw/render function */
void Pendule::render(render_s args)
{
OscillatorParticle::render(args);//dessine la particule
glBegin(GL_LINES);
//ensuite le fil
args.shaderProgram->setAttributeValue(AttributeID::vertex, ARRAY_3D_FLOAT_ARGS(SVector<3>::nullv)); // centre la matrice sur la particule
args.shaderProgram->setAttributeValue(AttributeID::vertex, ARRAY_3D_FLOAT_ARGS(-relativePosition())); // dessine le fil sur lînverse du vecteur position de la particule
glEnd();
}
PenduleSimplePanel * Pendule::getPanel()
{
return panel;
}

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