private double AbsTan(DoublePoint input)
{
return(Math.Atan(Math.Abs(input.Y) / Math.Abs(input.X)));
}
public Source(DoublePoint initPos, long initMass, Timer stepTimer, int MASSHANDLER, long DISTANCESCALERIn)
{
Pos = initPos; Mass = initMass;
G = 6.7 * Math.Pow(10, -11 + MASSHANDLER) * stepTimer.Interval / 1000;
DISTANCESCALER = DISTANCESCALERIn;
}
private DoublePoint GetDistanceFrom(DoublePoint target)
{
//diff b/ween points
return(new DoublePoint(target.X - Pos.X, target.Y - Pos.Y));
}
private void TIM_main_Tick(object sender, EventArgs e)
{
//totalstrength is resultant accel, indiv is accel due to individual sources
DoublePoint totalStrength, indivStrength;
Obj obj;
bool delete = false;
for (int i = 0; i <= objs.Count - 1; i++)
{
obj = objs[i];
//steps accel and v
obj.Step();
totalStrength = new DoublePoint(0, 0);
//for every source, find accel on this obj, and add to resultant
foreach (Source s in sources)
{
indivStrength = s.GetStrengthAtPoint(obj.Pos);
if (!(indivStrength == null))
{
totalStrength.X += indivStrength.X; totalStrength.Y += indivStrength.Y;
}
else
{
delete = true;
}
}
if (TS_objGrav.Checked)
{
for (int a = 0; a <= objs.Count - 1; a++)
{
if (!(a == i))
{
indivStrength = objs[a].GetStrengthAtPoint(obj.Pos);
if (!(indivStrength == null))
{
totalStrength.X += indivStrength.X; totalStrength.Y += indivStrength.Y;
}
else
{
delete = true;
}
}
}
if (delete)
{
objs.Remove(objs[i]);
if (TS_trail.Checked)
{
p1.Remove(p1[i]);
}
}
}
//change accel by resultant
obj.ApplyAccel(totalStrength);
}
for (int i = 0; i <= objs.Count - 1; i++)
{
if (objs[i].Pos.X > MAXINT || objs[i].Pos.X <-MAXINT ||
objs[i].Pos.Y> MAXINT || objs[i].Pos.X < -MAXINT)
{
objs.Remove(objs[i]);
if (TS_trail.Checked)
{
p1.Remove(p1[i]);
}
}
}
//focus section
foreach (Obj o in objs)
{
if (o.Container.Contains(PB_main.PointToClient(MousePosition)))
{
o.Focused = true;
foreach (Obj a in objs)
{
if (!(o == a))
{
a.Focused = false;
}
}
}
}
foreach (Obj o in objs)
{
if (o.Focused)
{
RTXT_focused.Text = o.GetReadout();
}
}
PB_main.Refresh();
}