/**
* Show some text centred at the given position in the world. The text will be displayed in front
* of any actors. Any previous text shown at the same location will first be removed.
*
* @param text The text to display; can be null to show no text
* @param x X-coordinate of the text
* @param y Y-coordinate of the text
*/
public void showText(String text, int x, int y) {
for (Iterator<TextLabel> i = textLabels.iterator(); i.hasNext(); ) {
TextLabel label = i.next();
if (label.getX() == x && label.getY() == y) {
if (label.getText().equals(text)) {
// Already have that text at that location
return;
}
// Have different text at that location
i.remove();
break;
}
}
if (text != null && text.length() != 0) {
textLabels.add(new TextLabel(text, x, y));
}
}
