Method startAt

src/main/java/fieldbox/boxes/Intersects.java:16–35

(Window.MouseState e, Box root)

public class Intersects {

	static public Box startAt(Window.MouseState e, Box root) {
		Vec2 point = e == null ? null : new Vec2(e.mx, e.my);

		Optional<Box> hit = point == null ? Optional.empty() : root.breadthFirst(root.both())
			.filter(b -> frame(b) != null)
			.filter(b -> !b.properties.isTrue(Box.hidden, false))
			.filter(b -> point == null || frame(b).intersects(point))
			.filter(x -> !x.properties.isTrue(Mouse.isSticky, false))
			.filter(x -> Planes.on(root, x)>=1)
			.sorted((a, b) -> Float.compare(order(frame(a), a instanceof TextEditor), order(frame(b), b instanceof TextEditor)))
			.findFirst();

		Box startAt = hit.orElseGet(() -> root.breadthFirst(root.both())
			.filter(x -> x.properties.isTrue(Mouse.isSelected, false) && !x.properties.isTrue(Mouse.isSticky, false))
			.findFirst()
			.orElseGet(() -> root));

		return startAt;

	}


	static protected Rect frame(Box hitBox) {