public ParticleSpring(int ID, Particle particleA, Particle particleB, double restLength, double springConstant, double damping)
{
m_ID = ID;
m_particleA = particleA;
m_particleB = particleB;
m_restLength = restLength;
m_springConstant = springConstant;
m_Damping = damping;
}
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 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 Particle makeParticleFromXYZ(ElementId eid, double mass, XYZ position, bool fix)
{
bool found = false;
for (int i = 0; i < particles.Count(); ++i)
{
if (eid != null && (particles[i].getElementID() != null)&& position!=null)
{
if (position.IsAlmostEqualTo(particles[i].getPosition()))
{
found = true;
particles[i].setPosition(position);
return particles[i];
}
}
}
if (found == false)//if we did not find one make a new one
{
Particle part = new Particle(partID++, eid, mass, position, fix);
particles.Add(part);
return part;
}
return null;
}
public Particle makeParticle(double mass, XYZ position, bool fix)
{
Particle p = new Particle(partID++, mass, position, fix);
particles.Add(p);
return p;
}
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;
}
public Particle makeOrUpdateParticle(int ID, double mass, XYZ position, bool fix)
{
bool found = false;
for (int i = 0; i < particles.Count(); ++i)
{
if (ID != null && (particles[i].ID() != null))
{
if (ID == particles[i].ID())
{
found = true;
particles[i].setPosition(position);
return particles[i];
}
}
}
if (found == false)//if we did not find one make a new one
{
Particle part = new Particle(ID++, mass, position, fix);
particles.Add(part);
return part;
}
return null;
}
