/// <summary>
/// Initializes a new instance of the <see cref="ParticleSystemManager"/> class.
/// </summary>
public ParticleSystemManager()
{
_updateParticleSystem = UpdateParticleSystem;
// Cannot access Environment.ProcessorCount in phone app. (Security issue.)
EnableMultithreading = false;
#else
// Enable multithreading by default if the current system has multiple processors.
EnableMultithreading = Environment.ProcessorCount > 1;
// Multithreading works but Parallel.For of Xamarin.Android/iOS is very inefficient.
if (GlobalSettings.PlatformID == PlatformID.Android || GlobalSettings.PlatformID == PlatformID.iOS)
EnableMultithreading = false;
ParticleSystems = new ParticleSystemCollection();
ParticleSystems.CollectionChanged += OnParticleSystemsChanged;
}
protected virtual void CloneCore(ParticleSystem source)
{
Name = source.Name;
Enabled = source.Enabled;
MaxNumberOfParticles = source.MaxNumberOfParticles;
InitialDelay = source.InitialDelay;
PreloadDuration = source.PreloadDuration;
PreloadDeltaTime = source.PreloadDeltaTime;
TimeScaling = source.TimeScaling;
EnableMultithreading = source.EnableMultithreading;
ReferenceFrame = source.ReferenceFrame;
// Cloning the particle parameter collection is tricky because the parameters are generics.
// We use an internal method of the parameter to do the job.
foreach (var parameter in source.Parameters)
{
((IParticleParameterInternal)parameter).AddCopyToCollection(Parameters);
}
foreach (var effector in source.Effectors)
{
Effectors.Add(effector.Clone());
}
if (source.Children != null)
{
Children = new ParticleSystemCollection();
foreach (var particleSystem in source.Children)
{
Children.Add(particleSystem.Clone());
}
}
Pose = source.Pose;
Shape = source.Shape.Clone();
}