public NSlitDragger(XDragWidget widthDragger, XDragWidget distDragger, WTInt n) {
// Get references to the Widgets
widthWidget = widthDragger;
distanceWidget = distDragger;
// Add this as a Listener to the Widgets
widthWidget.addListener(this);
distanceWidget.addListener(this);
// Get a reference to N
N = n;
}
public void updateDistanceDraggerConstraints() {
float min = width * (N.getValue() - 1), max = APERTURE_WIDTH / 2.0f - width;
// ** Manage book keeping variables for other classes **//
min_distance = min;
max_distance = max;
distanceWidget.setMin(min);
distanceWidget.setMax(max);
distanceSetInternally = true;
}
// If was single slit, evaluate differently
public float evaluateSingle() {
distanceSetInternally = true;
distance = 2 * width;
distanceWidgetPosition = distance * (N.getValue() - 1) / 2.0f;
distanceWidget.setValue(distanceWidgetPosition);
return distance / 500.0f;
}
public void updateWidthDraggerConstraints() {
float max,
max1 = APERTURE_WIDTH / 2.0f - distanceWidgetPosition, // The slit touches the wall
max2 = distance / 2.0f; // The two slits touch
DebugPrinter.println(
"distWidgetPosition-> " + distanceWidgetPosition + " distance->" + distance);
if (N.getValue() == 1) {
max = APERTURE_WIDTH / 2.0f;
} else {
max = (max1 < max2) ? max1 : max2;
}
min_width = 0;
max_width = max;
widthWidget.setMin(0);
widthWidget.setMax(max);
}
public void evaluateDistance() {
distanceSetInternally = true;
distanceWidgetPosition = distance * (N.getValue() - 1) / 2.0f;
distanceWidget.setValue(distanceWidgetPosition);
}