private void ProcessGobes(MassCenter center)
{
_globes.ForEach(globe =>
{
globe = _processor.CalculateSpeed(globe, center);
globe = _processor.MoveGlobe(globe);
});
}
public MassCenter GenerateMassCenter(List <Globe> globes)
{
var mc = new MassCenter();
mc.Mass = globes.Sum(g => g.Mass);
mc.X = globes.Sum(g => g.X * g.Mass) / mc.Mass;
mc.Y = globes.Sum(g => g.Y * g.Mass) / mc.Mass;
return(mc);
}
public Globe CalculateSpeed(Globe globe, MassCenter center)
{
var distanceSquare = DistanceSquare(center.X, center.Y, globe.X, globe.Y);
var vectorSpeed = G * center.Mass / distanceSquare;
var distance = Math.Sqrt(distanceSquare);
globe.SpeedX += (center.X - globe.X) * vectorSpeed / distance;
globe.SpeedY += (center.Y - globe.Y) * vectorSpeed / distance;
return(globe);
}
private void DrawCenter(MassCenter center)
{
var vLine = new Line();
vLine.Stroke = Brushes.Black;
vLine.X1 = center.X;
vLine.X2 = center.X;
vLine.Y1 = center.Y - 5;
vLine.Y2 = center.Y + 5;
vLine.StrokeThickness = 1;
canvas.Children.Add(vLine);
var hLine = new Line();
hLine.Stroke = Brushes.Black;
hLine.X1 = center.X - 5;
hLine.X2 = center.X + 5;
hLine.Y1 = center.Y;
hLine.Y2 = center.Y;
hLine.StrokeThickness = 1;
canvas.Children.Add(hLine);
}
public MassCenter GenerateMassCenter(List <Globe> globes, bool chained)
{
var mc = new MassCenter();
globes.OrderByDescending(g => g.Mass).ToList().ForEach(globe =>
{
//Первый объект?
if (mc.Mass == 0)
{
mc.X = globe.X;
mc.Y = globe.Y;
mc.Mass = globe.Mass;
}
else
{
mc.X += (globe.X - mc.X) * globe.Mass / (mc.Mass + globe.Mass);
mc.Y += (globe.Y - mc.Y) * globe.Mass / (mc.Mass + globe.Mass);
mc.Mass += globe.Mass;
}
});
return(mc);
}
