private DoublePair findMinAndMaxY() {
DoublePair border = new DoublePair(Double.MAX_VALUE, -Double.MAX_VALUE);
surfaces
.stream()
.forEach(
current -> {
DoublePair pair = current.getMinimumAndMaximumY();
listSurfacesEvents.addEvent(
new SurfaceEvent(current, true), (int) pair.getMaxValue());
listSurfacesEvents.addEvent(
new SurfaceEvent(current, false), (int) pair.getMinValue());
borders.add(pair.getMaxValue());
borders.add(pair.getMinValue());
border.changeValue(pair);
});
return border;
}
private void changeDrawnSurfacesList(int currentY, boolean isAdd) {
ArrayList<SurfaceEvent> events = listSurfacesEvents.getEvent(currentY);
if (events == null) {
return;
}
events
.stream()
.forEach(
event -> {
if (isAdd && event.isStart) {
drawnSurfaces.add(event.surface);
} else if (!isAdd && !event.isStart) {
drawnSurfaces.remove(event.surface);
}
});
}