How to use

createParticleGroup

method

in

org.jbox2d.particle.ParticleSystem

/**
 * Create a particle group whose properties have been defined. No reference to the definition is
 * retained.
 * 
 * @warning This function is locked during callbacks.
 */
public ParticleGroup createParticleGroup(ParticleGroupDef def) {
 assert (isLocked() == false);
 if (isLocked()) {
  return null;
 }
 ParticleGroup g = m_particleSystem.createParticleGroup(def);
 return g;
}

/**
 * Create a particle group whose properties have been defined. No reference to the definition is
 * retained.
 * 
 * @warning This function is locked during callbacks.
 */
public ParticleGroup createParticleGroup(ParticleGroupDef def) {
 assert (isLocked() == false);
 if (isLocked()) {
  return null;
 }
 ParticleGroup g = m_particleSystem.createParticleGroup(def);
 return g;
}

/**
 * Create a particle group whose properties have been defined. No reference to the definition is
 * retained. This function is locked during callbacks.
 *
 * @param def particle group definition
 * @return particle group
 */
public ParticleGroup createParticleGroup(ParticleGroupDef def) {
  assertNotLocked();
  return particleSystem.createParticleGroup(def);
}

/**
 * Create a particle group whose properties have been defined. No reference to the definition is
 * retained.
 * 
 * @warning This function is locked during callbacks.
 */
public ParticleGroup createParticleGroup(ParticleGroupDef def) {
 assert (isLocked() == false);
 if (isLocked()) {
  return null;
 }
 ParticleGroup g = m_particleSystem.createParticleGroup(def);
 return g;
}