public LinkedList<LineWorldObject> getLineWorldObjectsInSelection(Rectangle2D selectionInCM) {
LinkedList<LineWorldObject> objectsInSelection = new LinkedList<LineWorldObject>();
for (LineWorldObject o : lineObjects) {
if (selectionInCM.intersectsLine(o.getXInCM(), o.getYInCM(), o.getX2InCM(), o.getY2InCM())) {
objectsInSelection.add(o);
}
}
return objectsInSelection;
}
/**
* Determines if a way lies within the bounding box.
*
* @param boundingBox The bounding box.
* @param nodes The ordered nodes of the way in order.
* @return True if the way is at least partially within the box.
*/
private boolean isWayInsideBox(Rectangle2D boundingBox, List<Node> nodes) {
// If at least one node lies within the box, the way is inside the box.
for (Node node : nodes) {
if (isNodeInsideBox(boundingBox, node)) {
return true;
}
}
// Now we need to check if any of the segments cross the box.
for (int i = 0; i < nodes.size() - 1; i++) {
Node nodeA;
Node nodeB;
nodeA = nodes.get(i);
nodeB = nodes.get(i + 1);
if (boundingBox.intersectsLine(
nodeA.getLongitude(), nodeA.getLatitude(), nodeB.getLongitude(), nodeB.getLatitude())) {
return true;
}
}
return false;
}
/**
* Checks if a line with given start and end point intersects with the rectangle represented by
* the stone.
*
* @param x1 x-coordinate of starting point
* @param y1 y-coordinate of starting point
* @param x2 x-coordinate of ending point
* @param y2 y-coordinate of ending point
* @return true if line intersects with stone
*/
public boolean contains(float x1, float y1, float x2, float y2) {
Rectangle2D rect = new Rectangle.Float(getxLocation(), getyLocation(), getWidth(), getHeight());
return rect.intersectsLine(new Line2D.Float(x1, y1, x2, y2));
}
