private void pan(final Zoomable dst, final double rx, final double ry, final int dt) {
if (dst == null) return;
final RectangularShape src = dst.getZoom();
zoom(
dst,
new Rectangle2D.Double(
src.getX() + src.getWidth() * rx,
src.getY() + src.getHeight() * ry,
src.getWidth(),
src.getHeight()),
dt);
}
boolean render(Graphics2D map) {
double diff = (System.nanoTime() - created) / 1000 / 1000;
if (diff > timeAlive) return true;
map.setColor(new Color(100, 100, 100, (int) (255 - (diff / timeAlive * 250))));
for (int i = 0; i < particles.length; i++) {
RectangularShape tmp = (RectangularShape) particles[i][0];
double xD = (Double) particles[i][1];
double yD = (Double) particles[i][2];
tmp.setFrame(
(double) tmp.getX() + xD / delta,
(double) tmp.getY() + yD / delta,
tmp.getWidth(),
tmp.getHeight());
map.draw(tmp);
}
return false;
}