public override void Update(int timeLastFrame)
{
// generate particle
if (m_isEmitting)
{
m_accumulateMillionSecond += timeLastFrame;
// timeLastFrame past, so generateNum particles will be generated
int generateNum = (int)(m_accumulateMillionSecond * m_generateRatePerSecond / 1000.0);
m_accumulateMillionSecond -= (int)(generateNum * 1000 / (float)m_generateRatePerSecond);
OneShot(generateNum);
}
// update living particle
CatComponent particleUpdateBase = m_gameObject.GetComponent(m_particleUpdateComponentName);
if (particleUpdateBase != null && particleUpdateBase is IParticleUpdater)
{
IParticleUpdater particleUpdate = (IParticleUpdater)particleUpdateBase;
foreach (Particle particle in m_particles)
{
if (particle.m_lifeInMS > 0)
{
particleUpdate.ParticleUpdate(timeLastFrame, particle, this);
}
}
}
}
private void UpdateTopologyParameters()
{
ITopologyUpdater oldTopologyUpdater = TopologyUpdater;
IParticleUpdater oldParticleUpdater = ParticleUpdater;
ClearTopologyParameters();
if (Problem != null)
{
IParticleUpdater defaultParticleUpdater = null;
if (TopologyInitializer != null)
{
foreach (ITopologyUpdater topologyUpdater in ApplicationManager.Manager.GetInstances <ITopologyUpdater>())
{
TopologyUpdaterParameter.ValidValues.Add(topologyUpdater);
}
defaultParticleUpdater = Problem.Operators.OfType <ILocalParticleUpdater>().FirstOrDefault();
foreach (IParticleUpdater particleUpdater in Problem.Operators.OfType <ILocalParticleUpdater>().OrderBy(x => x.Name))
{
ParticleUpdaterParameter.ValidValues.Add(particleUpdater);
}
}
else
{
defaultParticleUpdater = Problem.Operators.OfType <IGlobalParticleUpdater>().FirstOrDefault();
foreach (IParticleUpdater particleUpdater in Problem.Operators.OfType <IGlobalParticleUpdater>().OrderBy(x => x.Name))
{
ParticleUpdaterParameter.ValidValues.Add(particleUpdater);
}
}
if (oldTopologyUpdater != null)
{
ITopologyUpdater newTopologyUpdater = TopologyUpdaterParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldParticleUpdater.GetType());
if (newTopologyUpdater != null)
{
TopologyUpdater = newTopologyUpdater;
}
}
if (oldParticleUpdater != null)
{
IParticleUpdater newParticleUpdater = ParticleUpdaterParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldParticleUpdater.GetType());
if (newParticleUpdater != null)
{
ParticleUpdater = newParticleUpdater;
}
else
{
oldParticleUpdater = null;
}
}
if (oldParticleUpdater == null && defaultParticleUpdater != null)
{
ParticleUpdater = defaultParticleUpdater;
}
ParameterizeTopologyUpdaters();
}
}
/// <summary>
/// 移除粒子更新器
/// </summary>
/// <param name="updater"></param>
public virtual void RemoveParticleUpdater(IParticleUpdater updater)
{
_updaters.Remove(updater);
}
/// <summary>
/// 添加粒子更新器
/// </summary>
/// <param name="updater"></param>
public virtual void AddParticleUpdater(IParticleUpdater updater)
{
_updaters.Add(updater);
}
