/**
* Поиск всех точек пересечения поверхностей с плоскостью У, а также поиск пересечений между
* отрезками получающимися.
*
* @param currentY
*/
private void findAllIntersections(double currentY) {
drawnSegments.clear();
pointsList.clear();
listPointsEvent.map.clear();
for (Surface surface : drawnSurfaces) {
Segment segment = surface.getIntersectionWithY(currentY);
if (segment == null) {
continue;
}
if (segment.getFinish().getX() < segment.getStart().getX()) {
segment = new Segment(segment.getFinish(), segment.getStart(), surface.getSurfaceColor());
}
segments.add(segment);
pointsList.add(segment.getStart());
pointsList.add(segment.getFinish());
listPointsEvent.addEvent(
new PointEvent(PointEventsList.START, segment.getStart()),
(int) segment.getStart().getX());
listPointsEvent.addEvent(
new PointEvent(PointEventsList.FINISH, segment.getFinish()),
(int) segment.getFinish().getX());
}
for (int i = 0, number = drawnSegments.size(); i < number; i++) {
for (int j = i + 1; j < number; j++) {
Point intersection = drawnSegments.get(i).getIntersectionWithSegment(drawnSegments.get(j));
if (intersection != null) {
pointsList.add(intersection);
listPointsEvent.addEvent(
new PointEvent(PointEventsList.INTERSECTION, intersection),
(int) intersection.getX());
}
}
}
}