/**
* Check if another polygon intersects with this polygon
*
* @param polygon
* @return true if intersects, false otherwise
*/
public boolean intersects(Polygon2D polygon) {
if (!polygon.getBounds().intersects(getBounds())) {
return false;
}
for (Enumeration e1 = edges(); e1.hasMoreElements(); ) {
Line2D current = (Line2D) e1.nextElement();
for (Enumeration e2 = polygon.edges(); e2.hasMoreElements(); ) {
Line2D test = (Line2D) e2.nextElement();
if (current.intersects(test)) {
return true;
}
}
}
return false;
}
/**
* Creates a new instance of Polygon2D with vertices with the same values as the {@code p}
* parameter.
*
* @param polygon The polygon to copy
*/
public Polygon2D(Polygon2D polygon) {
for (Enumeration e = polygon.vertices(); e.hasMoreElements(); ) {
addVertex(new Vector2D((Vector2D) e.nextElement()));
}
}