public void addPoint(float x, float y) {
PointNode pointNode = new PointNode(new Point2D.Double(x, y));
// Don't add if we haven't moved
if (lastPointNode != null) {
if (lastPointNode.point.equals(pointNode.point)) {
return;
}
}
if (path == null) {
path = new GeneralPath();
path.moveTo(x, y);
pointNodeList = pointNode;
} else {
path.lineTo(x, y);
lastPointNode.next = pointNode;
pointNode.previous = lastPointNode;
}
lastPointNode = pointNode;
}
public void close() {
area = new Area(path);
// Close the circle
lastPointNode.next = pointNodeList;
pointNodeList.previous = lastPointNode;
lastPointNode = null;
// For some odd reason, sometimes the first and last point are the same, which causes
// bugs in the way areas are calculated
if (pointNodeList.point.equals(pointNodeList.previous.point)) {
// Pull out the dupe node
PointNode trueLastPoint = pointNodeList.previous.previous;
trueLastPoint.next = pointNodeList;
pointNodeList.previous = trueLastPoint;
}
computeIsHole();
computeFaces();
// Don't need point list anymore
pointNodeList = null;
path = null;
}
