Here you can find the source of intersects(Rectangle2D rect1, Rectangle2D rect2)
| Parameter | Description |
|---|---|
| rect1 | the first rectangle. |
| rect2 | the second rectangle. |
public static boolean intersects(Rectangle2D rect1, Rectangle2D rect2)
//package com.java2s; /* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2016, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version.//from w w w . j a v a2 s.c om * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * --------------- * ShapeUtils.java * --------------- * (C)opyright 2003-2016, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 13-Aug-2003 : Version 1 (DG); * 16-Mar-2004 : Moved rotateShape() from RefineryUtilities.java to here (DG); * 13-May-2004 : Added new shape creation methods (DG); * 30-Sep-2004 : Added createLineRegion() method (DG); * Moved drawRotatedShape() method from RefineryUtilities class * to this class (DG); * 04-Oct-2004 : Renamed ShapeUtils --> ShapeUtilities (DG); * 26-Oct-2004 : Added a method to test the equality of two Line2D * instances (DG); * 10-Nov-2004 : Added new translateShape() and equal(Ellipse2D, Ellipse2D) * methods (DG); * 11-Nov-2004 : Renamed translateShape() --> createTranslatedShape() (DG); * 07-Jan-2005 : Minor Javadoc fix (DG); * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG); * 21-Jan-2005 : Modified return type of RectangleAnchor.coordinates() * method (DG); * 22-Feb-2005 : Added equality tests for Arc2D and GeneralPath (DG); * 16-Mar-2005 : Fixed bug where equal(Shape, Shape) fails for two Polygon * instances (DG); * 01-Jun-2008 : Fixed bug in equal(GeneralPath, GeneralPath) method (DG); * 16-Jun-2012 : Moved from JCommon to JFreeChart (DG); * */ import java.awt.geom.Rectangle2D; public class Main { /** * Checks, whether the given rectangle1 fully contains rectangle 2 * (even if rectangle 2 has a height or width of zero!). * * @param rect1 the first rectangle. * @param rect2 the second rectangle. * * @return A boolean. */ public static boolean intersects(Rectangle2D rect1, Rectangle2D rect2) { double x0 = rect1.getX(); double y0 = rect1.getY(); double x = rect2.getX(); double width = rect2.getWidth(); double y = rect2.getY(); double height = rect2.getHeight(); return (x + width >= x0 && y + height >= y0 && x <= x0 + rect1.getWidth() && y <= y0 + rect1.getHeight()); } }