/** Draws clusters */
public void draw(DrawingPanel panel, Graphics g) {
if (site == null) {
return;
}
int sizeX = Math.abs(panel.xToPix(1.0) - panel.xToPix(0));
int sizeY = Math.abs(panel.yToPix(1.0) - panel.yToPix(0));
for (int i = 0; i < numberOfParticles; i++) {
int xpix = panel.xToPix(x[i]) - sizeX;
int ypix = panel.yToPix(y[i]) - sizeY;
g.fillRect(xpix + sizeX / 2, ypix + sizeY / 2, sizeX, sizeY);
}
}
/**
* Constructs OscillatorsMode with the given mode and number of particles.
*
* <p>The particle separation is one in this model.
*
* @param mode int
* @param N int
*/
OscillatorsMode(int mode, int N) {
amplitude = Math.sqrt(2.0 / (N + 1));
omega = 2 * Math.sqrt(OMEGA_SQUARED) * Math.abs(Math.sin(mode * Math.PI / N / 2));
wavenumber = Math.PI * mode / (N + 1);
functionDrawer = new FunctionDrawer(this);
functionDrawer.initialize(0, N + 1, 300, false); // draws the initial displacement
functionDrawer.color = Color.LIGHT_GRAY;
}