public synchronized void mousePressed(MouseEvent mouseevent) {
MyPoint mypoint = new MyPoint(mouseevent.getPoint());
if (mypoint.x > (double) XPos) {
Voronoi.addElement(mypoint);
Voronoi.checkDegenerate();
Events.insert(new EventPoint(mypoint));
repaint();
}
}
public synchronized void init() {
offScreenImage = createImage(getBounds().width, getBounds().height);
offScreenGraphics = offScreenImage.getGraphics();
XPos = 0;
Arcs = new ArcTree();
Events = new EventQueue();
Voronoi.clear();
Delaunay = new DelaunayClass();
for (int i = 0; i < Voronoi.size(); i++) {
Events.insert(new EventPoint((MyPoint) Voronoi.elementAt(i)));
}
}
public synchronized void step() {
EventPoint eventpoint = Events.pop();
if (eventpoint != null) {
XPos = Math.max(XPos, (int) eventpoint.x);
eventpoint.action(this);
} else if (XPos < getBounds().width) {
XPos = getBounds().width;
} else {
init();
}
Arcs.checkBounds(this, XPos);
repaint();
}
public synchronized boolean singlestep() {
if (Events.Events == null || (double) XPos < Events.Events.x) XPos++;
while (Events.Events != null && (double) XPos >= Events.Events.x) {
EventPoint eventpoint = Events.pop();
XPos = Math.max(XPos, (int) eventpoint.x);
eventpoint.action(this);
Arcs.checkBounds(this, XPos);
}
if (XPos > getBounds().width && Events.Events == null) Arcs.checkBounds(this, XPos);
repaint();
return Events.Events != null || XPos < 1000 + getBounds().width;
}
public synchronized void paint(Graphics g) {
g.setColor(Color.white);
g.fillRect(0, 0, getBounds().width, getBounds().height);
g.setColor(Color.blue);
Voronoi.paint(g, drawVoronoiLines);
g.setColor(Color.red);
g.drawLine(XPos, 0, XPos, getBounds().height);
if (Events != null && Arcs != null) {
g.setColor(Color.black);
Events.paint(g, drawCircles);
Arcs.paint(g, XPos, drawVoronoiLines, drawBeach);
}
if (drawDelaunay) {
g.setColor(Color.gray);
Delaunay.paint(g);
}
}