// 자석에 붙은 경우만 고려한다.
public Vector3 GetInducedMagneticMoment()
{
Vector3 mm = new Vector3(0.0f, 0.0f, 0.0f);
for (int i = 0; i < magnetInfluences.Count; ++i)
{
MagnetInfluence mi = magnetInfluences[i];
if (mi.attached)
{
mm += transform.localScale.x * mi.Magnetization;
}
}
return(mm);
}
public bool IsAttachedBar(BarMagnet bm)
{
bool attached = false;
for (int i = 0; i < magnetInfluences.Count; ++i)
{
MagnetInfluence mi = magnetInfluences[i];
if (mi.Bar && mi.Bar.Equals(bm) && mi.attached)
{
attached = true;
break;
}
}
return(attached);
}
public void AddMagnet(MagnetInfluence m)
{
arMI.Add(m);
}
private Vector3 ComputeInducedMagneticMoment()
{
// 0은 기본으로 막대자석이라 가정한다.
BarMagnet inflBar = magnetInfluences.Count > 0 ? magnetInfluences[0].Bar : null;
if (!inflBar)
{
return(new Vector3(0.0f, 0.0f, 0.0f));
}
Vector3 dir = inflBar.transform.position - transform.position;
float dist = dir.sqrMagnitude;
if (magnetInfluences[0].attached)
{
dist = float.MaxValue;
}
FerroMagnet inflFm = null;
for (int i = 1; i < magnetInfluences.Count; ++i)
{
MagnetInfluence mi = magnetInfluences[i];
dir = mi.Bar ? (mi.Bar.transform.position - transform.position) : (mi.FerroSphere.transform.position - transform.position);
if (!mi.attached && dir.sqrMagnitude < dist)
{
dist = dir.sqrMagnitude;
inflBar = mi.Bar ? mi.Bar : null;
inflFm = mi.FerroSphere ? mi.FerroSphere : null;
}
}
Vector3 cmm = ComputeInducedMagneticMoment(inflBar, inflFm);
Vector3 imm = GetInducedMagneticMoment();
BarMagnet attachedBar = null;
float maxDipole = 0.0f;
for (int i = 0; i < magnetInfluences.Count; ++i)
{
MagnetInfluence mi = magnetInfluences[i];
if (mi.Bar && mi.attached && (maxDipole < mi.Bar.dipoleMoment))
{
attachedBar = mi.Bar;
}
}
if (inflBar && attachedBar && dist > 50.0f)
{
//Debug.Log (imm);
return(imm);
}
//Debug.Log(cmm);
return(cmm);
/*
* if (imm.sqrMagnitude < cmm.sqrMagnitude) {
* Debug.Log ("cmm");
* return cmm;
* }
*
* BarMagnet attachedBar = null;
* float maxDipole = 0.0f;
*
* for (int i = 0; i < magnetInfluences.Count; ++i) {
* MagnetInfluence mi = magnetInfluences[i];
* if (mi.attached && (maxDipole < mi.Bar.dipoleMoment)) {
* attachedBar = mi.Bar;
* }
* }
*
* if (attachedBar && dist < 50.0f) {
* Debug.Log(dist + "imm" + imm.sqrMagnitude);
* return imm * 10.0f;
* //return ComputeInducedMagneticMoment(attachedBar, inflFm);
* }
*
* Debug.Log("null");
* return new Vector3(0.0f, 0.0f, 0.0f);
*/
}
void OnCollisionEnter(Collision theObject)
{
Transform p = theObject.transform;
if (p)
{
BarMagnet bm = p.GetComponent("BarMagnet") as BarMagnet;
FerroMagnet fm = p.GetComponent("FerroMagnet") as FerroMagnet;
if (!bm && p.transform.parent)
{
bm = p.transform.parent.GetComponent("BarMagnet") as BarMagnet;
}
if (bm)
{
rb.Sleep();
bm.RB.Sleep();
FixedJoint fj0 = rb.gameObject.AddComponent("FixedJoint") as FixedJoint;
fj0.connectedBody = bm.RB;
fj0.anchor = theObject.contacts[0].point;
FixedJoint fj1 = bm.RB.gameObject.AddComponent("FixedJoint") as FixedJoint;
fj1.connectedBody = rb;
fj1.anchor = theObject.contacts[0].point;
for (int i = 0; i < magnetInfluences.Count; ++i)
{
MagnetInfluence mi = magnetInfluences[i];
if (mi.Bar && mi.Bar.Equals(bm))
{
mi.attached = true;
mi.Magnetization = ComputeInducedMagneticMoment(bm, null);
//Debug.Log("Last" + mi.Magnetization);
MagneticSystem.Instance.AddFerroMagnet(this);
}
}
}
else if (fm)
{
rb.Sleep();
//fm.rb.Sleep();
/*
* for (int i = 0; i < magnetInfluences.Count; ++i) {
* MagnetInfluence mi = magnetInfluences[i];
* if (mi.FerroSphere) {
* mi.attached = true;
* mi.Magnetization = ComputeInducedMagneticMoment(null, fm);
* }
* }
*/
/*
* FixedJoint fj0 = rb.gameObject.AddComponent("FixedJoint") as FixedJoint;
* fj0.connectedBody = fm.rb;
* fj0.anchor = theObject.contacts[0].point;
*
* FixedJoint fj1 = fm.rb.gameObject.AddComponent("FixedJoint") as FixedJoint;
* fj1.connectedBody = rb;
* fj1.anchor = theObject.contacts[0].point;
*/
}
}
}
