public bool ContainsSubstance(Substance substance)
{
return(this.Substances.Keys.Contains(substance));
}
public void ReleaseSubstance(Substance substance, double amount, double distance)
{
if (substance == null)
{
throw new ArgumentNullException("Substance cannot be null.");
}
if (!this.Resources.ContainsKey(substance))
{
return;
}
if (amount > this.Resources[substance].Amount)
{
amount = this.Resources[substance].Amount;
}
Func <double, double, double> f = (double x, double y) =>
{
var t = x * x + y * y;
return((1 / ((2 * Math.PI) * 3)) * Math.Exp(-t / (18)));
};
List <long> xList = new List <long>();
List <long> yList = new List <long>();
List <double> rList = new List <double>();
double sum = 0;
for (long y = (long)(this.Y - distance); y < (long)(this.Y + distance); y++)
{
for (long x = (long)(this.X - distance); x < (long)(this.X + distance); x++)
{
if (x * x + y * y > distance * distance)
{
continue;
}
if (x < 0)
{
x = -x;
}
if (x > World.Width)
{
x = World.Width - (x - World.Width);
}
if (y < 0)
{
y = -y;
}
if (y > World.Height)
{
y = World.Height - (y - World.Height);
}
var r = f(x, y);
sum += r;
xList.Add(x);
yList.Add(y);
rList.Add(r);
}
}
for (var i = 0; i < yList.Count; i++)
{
var x = xList[i];
var y = yList[i];
var r = rList[i];
var amt = amount * r / sum;
World[x, y].Add(substance, amt);
}
this.Resources[substance].SetAmount(this.Resources[substance].Amount - amount);
}
public string RegisterSubstance(Substance substance)
{
Substances.Add(substance);
globalCount++;
return(Substances.Count.ToString());
}
