protected boolean addParticle(final Particle particle) {
if (particle.getEmitter() != this) {
nNumParticles++;
// register listeners
particle.setEmitter(this);
// add particle to the same parent
if (mParent != null) {
mParent.addChild(particle);
}
return true;
}
return false;
}
protected boolean removeParticle(final Particle particle) {
if (particle.getEmitter() == this) {
nNumParticles--;
// remove listener
particle.setEmitter(null);
// remove particle from parent
if (mParent != null) {
mParent.removeChild(particle);
}
// done?
if (nNumParticles == 0) {
finish();
}
return true;
}
return false;
}
