//public void CheckOverlap()
//{
// List<Thing2> list = new List<Thing2>();
// foreach ( Thing2 t in myField.things )
// {
// if ( t == this )
// continue;
// double dist = this.CalculateSpaceBetween( t );
// if ( dist < 0 )
// list.Add( t );
// }
// if ( list.Count > 0 )
// {
// list.Add( this );
// myField.ScheduleCombine( list );
// }
//}
//public decimal CalculateOptimalDeltaT()
//{
// if ( velocity.Length() == 0 )
// return Decimal.MaxValue;
// return (decimal)(size / velocity.Length());
//}
public double CalculateSpaceBetween(Thing2 t2)
{
double dist = Location2d.Distance(location, t2.location);
dist -= size;
dist -= t2.size;
return(dist);
}
public Vector2d CalculateForce(Thing2 t)
{
if (t != this.a && t != this.b)
{
return(new Vector2d(0.0, 0.0));
}
double dist = Location2d.Distance(this.a.location, this.b.location);
Thing2 ot = (t == this.a) ? this.b : this.a;
Vector2d force = new Vector2d(t.location, ot.location);
force.Normalize();
force *= dist * k;
return(force);
}
public void Attach(Thing2 thing, Orientation orientation)
{
if (orientation == Orientation.A)
{
// A
if (this.a != null)
{
this.a.DetachRezinochka(this);
}
this.a = thing;
this.a.AttachRezinochka(this);
}
else
{
// B
if (this.b != null)
{
this.a.DetachRezinochka(this);
}
this.b = thing;
this.b.AttachRezinochka(this);
}
}
public void InitItems(int nrThings)
{
Random r = new Random();
int nrThingsDiscarded = 0;
// make things
for (int i = 0; i < nrThings;)
{
double rr = r.NextDouble();
double thingSize = rr * (GlobalConfig.sizeMax - GlobalConfig.sizeMin) + GlobalConfig.sizeMin;
// location
double left = this.Viewport.Left + thingSize;
double right = this.Viewport.Right - thingSize;
double top = this.Viewport.Top + thingSize;
double bottom = this.Viewport.Bottom - thingSize;
double x = r.NextDouble() * (right - left) + left;
double y = r.NextDouble() * (bottom - top) + top;
Location2d location = new Location2d(x, y);
// check for overlap with previous things
bool foundOverlap = false;
foreach (Thing2 t in things)
{
double dist = t.CalculateSpaceBetween(location, thingSize);
if (dist < 0)
{
foundOverlap = true;
break;
}
}
if (foundOverlap)
{
nrThingsDiscarded++;
continue;
}
Velocity2d velocity = new Velocity2d(0.0, 0.0);
// make the thing
Thing2 thing = new Thing2(this, location, velocity, thingSize);
things.Add(thing);
i++;
}
Util.Logger.AddMessage("Nr things discarded: " + nrThingsDiscarded);
// add rezinochki
for (int idThing = 0; idThing < things.Count - 1; idThing += 2)
{
Thing2 ta = this.things[idThing];
Thing2 tb = this.things[idThing + 1];
Rezinochka rez = new Rezinochka(Color.LightYellow, 1.0);
rez.Attach(ta, Rezinochka.Orientation.A);
rez.Attach(tb, Rezinochka.Orientation.B);
this.rezinochki.Add(rez);
}
} //InitItems()
