static void Main()
{
// Create a SpringODE object that represents
// a 1.0 kg spring with a spring constant of
// 20 N/m and a damping coefficient of 1.5 N-s/m
double mass = 1.0;
double mu = 1.5;
double k = 20.0;
double x0 = -0.2;
SpringODE ode = new SpringODE(mass, mu, k, x0);
// Solve the ODE over a range of 7 seconds
// using a 0.1 second time increment.
double dt = 0.1;
Console.WriteLine("t x v");
Console.WriteLine("" + ode.GetTime() + " " + (float)ode.GetX() +
" " + (float)ode.GetVx());
while (ode.GetTime() <= 7.0)
{
ode.UpdatePositionAndVelocity(dt);
Console.WriteLine("" + ode.GetTime() + " " + (float)ode.GetX() +
" " + (float)ode.GetVx());
}
return;
}
// This method is called by the Timer every 0.05 seconds.
public void ActionPerformed(object source, EventArgs e)
{
// Use the ODE solver to update the location of
// the spring.
double dt = 0.05;
spring.UpdatePositionAndVelocity(dt);
// Update the display
UpdateDisplay();
}
