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symkit_prog/symgraph/actors/particlesystem.cpp
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particlesystem.cpp
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#include "particlesystem.h"
#include "particle.h"
ParticleSystem::ParticleSystem(const SVector<3>& offset, const QString& label, specs_t flags)
: SKActor(label, flags), offset(offset)
{
}
ParticleSystem::ParticleSystem(const std::initializer_list<Particle*>& init)
: SKActor("", S_EVOLVE | S_RENDER | S_POSITION), particles(init)
{
}
void ParticleSystem::evolve(float dt)
{
for (auto particle : particles)
{
if (particle->isRunningDescriptor())
particle->updateDescriptor(dt);
}
}
ParticleSystem::iterator ParticleSystem::begin()
{
return particles.begin();
}
ParticleSystem::iterator ParticleSystem::end()
{
return particles.end();
}
ParticleSystem::const_iterator ParticleSystem::begin() const
{
return particles.begin();
}
ParticleSystem::const_iterator ParticleSystem::end() const
{
return particles.end();
}
void ParticleSystem::attach(Particle* actor)
{
if (!actor)
{
; // throw an error
}
particles.push_back(actor);
}
void ParticleSystem::detach(Particle* actor)
{
if (!actor)
{
; // throw an error
}
particles.remove(actor);
}
void ParticleSystem::detachAll()
{
particles.clear();
}
SVector<3> ParticleSystem::position() const
{
return offset;
}
void ParticleSystem::setOffset(const SVector<3>& offset)
{
this->offset=offset;
}
// obtain static methods access
#include "sktools.h"
#include "camera.h"
#include <QMatrix4x4>
#include "specs/scalable.h"
#include "specs/orientable.h"
void ParticleSystem::render(symkit::render_s &args)
{
/* Load position, scaling, color */
QMatrix4x4 matrix;
for (auto particle : particles)
{
if (particle->isRendering())
{
matrix.setToIdentity();
symkit::loadActorPosition(particle, matrix);
Orientable * orient = dynamic_cast<Orientable*>(particle);
if (orient)
symkit::loadActorOrientation(orient, matrix);
Scalable * scal = dynamic_cast<Scalable*>(particle);
if (scal)
symkit::loadActorScaling(scal, matrix);
args.camera->loadModelview(args.shaderProgram, args.matrix * matrix);
symkit::loadActorPolygonMode(particle, args.polygonMode);
symkit::loadActorColor(particle, args.shaderProgram);
particle->render(args);
}
}
}
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