Method createElectrons

src/csm/ch03/Demo3D_4App.java:49–67

()

  }

  private void createElectrons() {
    alphas = new double[numElectrons];
    betas = new double[numElectrons];
    electrons = new ElementCircle[numElectrons];
    traces = new ElementTrail[numElectrons];
    for(int i = 0;i<numElectrons;i++) {
      alphas[i] = Math.random()*Math.PI*2.0;
      betas[i] = -Math.PI*0.5+Math.random()*Math.PI;
      electrons[i] = new ElementCircle();
      electrons[i].setSizeXYZ(0.6, 0.6, 0.6);
      electrons[i].getStyle().setFillColor(Color.RED);
      group.addElement(electrons[i]);
      traces[i] = new ElementTrail();
      traces[i].getStyle().setLineColor(Color.GRAY);
      traces[i].setMaximumPoints(5);
      group.addElement(traces[i]);
    }
    moveElectrons(0);
  }

  private void moveElectrons(double _dt) {
    double x, y, z;