private void addSurface(Color color, Point[] points) {
Surface added = new Surface(color);
for (int i = 0, n = points.length; i < n; i++) {
added.addEdge(points[i % n], points[(i + 1) % n]);
}
surfaces.add(added);
}
/**
* 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());
}
}
}
}
public Executer(Canvas canvas) {
this.canvas = canvas;
context = canvas.getGraphicsContext2D();
// Point[] points = new Point[]{
// new Point(0, 0, 0),
// new Point(50, 50, 0),
// new Point(100, 0, 0)
// };
// addSurface(Color.RED, points);
//
// points = new Point[]{
// new Point(0, 40, -70),
// new Point(10, 50, -50),
// new Point(65, -5, 100),
// new Point(55, -10, 100)
// };
// addSurface(Color.BLUE, points);
//
// points = new Point[]{
// new Point(25, 0, -70),
// new Point(50, 0, -50),
// new Point(50, 70, 100),
// new Point(25, 50, 100)
// };
// addSurface(Color.YELLOW, points);
Point[] points =
new Point[] {
new Point(10, 30, 0), new Point(10, 70, 0), new Point(50, 100, 0), new Point(100, 70, 0)
};
addSurface(Color.RED, points);
points =
new Point[] {
new Point(-70, -70, 0),
new Point(-100, 30, 0),
new Point(-30, 100, 0),
new Point(50, 50, 0),
new Point(70, -70, 0)
};
addSurface(Color.BLUE, points);
points = new Point[] {new Point(10, -60, 0), new Point(-20, 20, 0), new Point(40, 20, 0)};
addSurface(Color.GREEN, points);
points =
new Point[] {
new Point(10, 30, 0), new Point(10, 70, 0), new Point(50, 100, 0), new Point(100, 70, 0)
};
addSurface(Color.BROWN, points);
points = new Point[] {new Point(10, -60, 0), new Point(-20, 20, 0), new Point(40, 20, 0)};
addSurface(Color.BLACK, points);
Random random = new Random();
for (Surface s : surfaces) {
s.XRotate(random.nextInt(60));
s.YRotate(1 + random.nextInt(170));
s.ZRotate(random.nextInt(180));
}
}