public boolean isValidList2Position(Vector3d position) {
for (int i = 0; i < pcList2.size(); i++) {
PointCharge pc = (PointCharge) pcList2.get(i);
Point3d pcPosition = new Point3d(pc.getPosition());
if (pcPosition.distance(new Point3d(position)) < pc_radius * 1.5) {
return false;
}
}
if (Math.abs(position.x - plate2_position.x) > plate_length / 2. - pc_radius) return false;
if (Math.abs(position.y - plate2_position.y) > plate_height / 2. - pc_radius) return false;
if (Math.abs(position.z - plate2_position.z) > plate_width / 2. - pc_radius) return false;
return true;
}
private void resetPointCharges() {
removeChargesFromList1(pcList1.size());
removeChargesFromList2(pcList2.size());
int N1 = 0;
try {
N1 = Integer.parseInt(plate1Number.getText());
} catch (NumberFormatException e) {
N1 = N;
plate1Number.setText(String.valueOf(N));
}
if (N1 < 0) {
N1 = 0;
plate1Number.setText("0");
}
int N2 = 0;
try {
N2 = Integer.parseInt(plate2Number.getText());
} catch (NumberFormatException e) {
N2 = N;
plate2Number.setText(String.valueOf(N));
}
if (N2 < 0) {
N2 = 0;
plate2Number.setText("0");
}
addChargesToList1(N1);
addChargesToList2(N2);
double charge1 = 0;
try {
charge1 = Double.parseDouble(plate1Charge.getText());
} catch (NumberFormatException e) {
charge1 = pc_charge;
plate1Charge.setText(String.valueOf(charge1));
}
double charge2 = 0;
try {
charge2 = Double.parseDouble(plate2Charge.getText());
} catch (NumberFormatException e) {
charge2 = -pc_charge;
plate2Charge.setText(String.valueOf(charge2));
}
for (int i = 0; i < pcList1.size(); i++) {
PointCharge pc = (PointCharge) pcList1.get(i);
pc.setCharge(charge1);
}
for (int i = 0; i < pcList2.size(); i++) {
PointCharge pc = (PointCharge) pcList2.get(i);
pc.setCharge(charge2);
}
}
public void addChargesToList2(int number) {
for (int k = 0; k < number; k++) {
Vector3d position = new Vector3d();
int count = 0;
do {
count++;
double x = (2. * Math.random() - 1.) * (plate_length / 2. - pc_radius);
double y = (2. * Math.random() - 1.) * (plate_height / 2. - pc_radius);
double z = (2. * Math.random() - 1.) * (plate_width / 2. - pc_radius);
position.set(x, y, z);
position.add(plate2_position);
} while (!isValidList2Position(position));
double charge = 0.;
if (!pcList2.isEmpty()) charge = ((PointCharge) pcList2.get(0)).getCharge();
else charge = -pc_charge;
PointCharge pc = new PointCharge();
pc.setPosition(position);
pc.setCharge(charge);
pc.setRadius(pc_radius);
pc.setMass(1.0);
pc.setID("pcList2_charge" + pcList2.size());
pc.setPickable(false);
pc.setColliding(true);
pc.setGeneratingP(false);
SphereCollisionController scc = new SphereCollisionController(pc);
scc.setRadius(pc_radius);
scc.setTolerance(0.5);
scc.setMode(SphereCollisionController.WALL_SPHERE);
pc.setCollisionController(scc);
addElement(pc);
pcList2.add(pc);
}
}
public void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
System.out.println("Action: " + command);
if (e.getActionCommand().compareToIgnoreCase("Capacitor2") == 0) {
if ((mFramework != null) && (mFramework instanceof TFramework)) {
((TFramework) mFramework).openBrowser("help/capacitor.html");
} else {
TDebug.println("mFramework is null!");
}
} else if (e.getSource() == plate1Number) {
int value = 0;
try {
value = Integer.parseInt(plate1Number.getText());
} catch (NumberFormatException exception) {
return;
}
if (value < 0) {
value = 0;
plate1Number.setText("0");
}
int change = value - pcList1.size();
if (change > 0) {
addChargesToList1(change);
} else {
removeChargesFromList1(-change);
}
} else if (e.getSource() == plate2Number) {
int value = 0;
try {
value = Integer.parseInt(plate2Number.getText());
} catch (NumberFormatException exception) {
return;
}
if (value < 0) {
value = 0;
plate2Number.setText("0");
}
int change = value - pcList2.size();
if (change > 0) {
addChargesToList2(change);
} else {
removeChargesFromList2(-change);
}
} else if (e.getSource() == plate1Charge) {
double value = 0.;
try {
value = Double.parseDouble(plate1Charge.getText());
} catch (NumberFormatException exception) {
return;
}
for (int i = 0; i < pcList1.size(); i++) {
PointCharge pc = (PointCharge) pcList1.get(i);
pc.setCharge(value);
}
} else if (e.getSource() == plate2Charge) {
double value = 0.;
try {
value = Double.parseDouble(plate2Charge.getText());
} catch (NumberFormatException exception) {
return;
}
for (int i = 0; i < pcList2.size(); i++) {
PointCharge pc = (PointCharge) pcList2.get(i);
pc.setCharge(value);
}
} else {
super.actionPerformed(e);
}
}