public override void Process(T context, TimeSpan span)
{
_ = context ?? throw new ArgumentNullException(nameof(context));
indexer.Clear();
for (int i = 0; i < context.VirusData.Items.Span.Length; i++)
{
var item = context.VirusData.Items.Span[i];
if (item.IsInfected == InfectionData.Infected)
{
indexer.AddItem(context.Persons.Items.Span[i]);
}
}
//try to infection
context.VirusData.ForAllParallelWtihReference(context.Persons, (ref InfectionData data, ref PositionItem p) =>
{
if (data.IsInfected == InfectionData.NotInfected)
{
int count = indexer.GetItemsCountInDistance(p.Position, InfectionRadius);
if (count > 0 && Helper.RandomFloat(1) <= 1 - (Math.Pow((1 - InfectionRate), count)))
{
data.IsInfected = InfectionData.Infected;
}
else
{
data.IsInfected = InfectionData.NotInfected;
}
}
});
}
public override void Process(T context, TimeSpan span)
{
infectedItems.Clear();
//refresh infected person indexer
context.SIRInfo.ForAllWtihReference(context.Persons, (ref SIRData sir, ref PositionItem pos) =>
{
if (sir.Status == SIRData.Infective)
{
infectedItems.AddItem(pos);
}
});
//try to be infected
ProcessInfection(context, span);
//update ground info
ProcessGround(context, span);
ProcessCure(context, span);
}
public override void Init(T context)
{
POIList.AddRange(create(context));
POIIndex = new QuadTreeNode <Vector2>(new RectangleF(0, 0, context.Size.Width, context.Size.Height), (ref Vector2 x) =>
{
return(x);
});
create = null;//release creation function to reduce other object reference
foreach (var item in POIList)
{
POIIndex.AddItem(item);
}
//init home position
context.Persons.ForAllParallelWtihReference(context.POIData, (ref PositionItem pos, ref POIInfo poi) =>
{
poi.POIStatus = POIStatusEnum.AtHome;
poi.HomePosition = pos.Position;
});
}