FGFS-4.1/OpenSceneGraph
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Added SmokeTrailEffect which renders created particles as single quad or line

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strip, in the case of the quad strip the strip is aligned to the be orthogonal with
the eye point.
This commit is contained in:
Robert Osfield
2005-10-12 18:42:36 +00:00
parent 540e676dae
commit 1e508d432b
16 changed files with 611 additions and 73 deletions
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24
src/osgParticle/ParticleSystem.cpp
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@@ -68,17 +68,19 @@ void osgParticle::ParticleSystem::update(double dt)
// reset bounds
_reset_bounds_flag = true;
// set up iterators for particles
Particle_vector::iterator i;
Particle_vector::iterator end = _particles.end();
// update particles
for (i=_particles.begin(); i!=end; ++i) {
if (i->isAlive()) {
if (i->update(dt)) {
update_bounds(i->getPosition(), i->getCurrentSize());
} else {
_deadparts.push(&(*i));
for(unsigned int i=0; i<_particles.size(); ++i)
{
Particle& particle = _particles[i];
if (particle.isAlive())
{
if (particle.update(dt))
{
update_bounds(particle.getPosition(), particle.getCurrentSize());
}
else
{
reuseParticle(i);
}
}
}
@@ -141,6 +143,8 @@ void osgParticle::ParticleSystem::setDefaultAttributes(const std::string& textur
texture->setImage(osgDB::readImageFile(texturefile));
texture->setFilter(osg::Texture2D::MIN_FILTER, osg::Texture2D::LINEAR);
texture->setFilter(osg::Texture2D::MAG_FILTER, osg::Texture2D::LINEAR);
texture->setWrap(osg::Texture2D::WRAP_S, osg::Texture2D::MIRROR);
texture->setWrap(osg::Texture2D::WRAP_T, osg::Texture2D::MIRROR);
stateset->setTextureAttributeAndModes(texture_unit, texture, osg::StateAttribute::ON);
osg::TexEnv *texenv = new osg::TexEnv;