public ParticleSpring makeSpring(Particle a, Particle b, double restLength, double springConstant, double damping)
{
ParticleSpring s = new ParticleSpring(springID++, a, b, restLength, springConstant, damping);
springs.Add(s);
return s;
}
public ParticleSpring makeSpringFromElementID(ElementId eid, Particle a, Particle b, double restLength, double springConstant, double damping)
{
bool found = false;
for (int i = 0; i < springs.Count(); ++i)
{
if (eid != null && (springs[i].getElementID() != null))
{
if (eid == springs[i].getElementID())
{
found = true;
return springs[i];
}
}
}
if (found == false)
{
ParticleSpring s = new ParticleSpring(springID++, eid, a, b, restLength, springConstant, damping);
springs.Add(s);
return s;
}
return null;
}
public ParticleSpring makeOrUpdateSpring(int ID, Particle a, Particle b, double restLength, double springConstant, double damping)
{
bool found = false;
for (int i = 0; i < springs.Count(); ++i)
{
if (ID != null && (springs[i].ID() != null))
{
if (ID == springs[i].ID())
{
found = true;
return springs[i];
}
}
}
if (found == false)
{
ParticleSpring s = new ParticleSpring(ID++, a, b, restLength, springConstant, damping);
springs.Add(s);
return s;
}
return null;
}
