1 /* 2 * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package org.jemmy; 27 28 /** 29 * The class for easy computations. 30 * @author shura 31 */ 32 public class Vector { 33 34 private double x; 35 private double y; 36 37 public Vector(double x, double y) { 38 this.x = x; 39 this.y = y; 40 } 41 42 public Vector(Point from, Point to) { 43 x = to.x - from.x; 44 y = to.y - from.y; 45 } 46 47 public double getX() { 48 return x; 49 } 50 51 public double getY() { 52 return y; 53 } 54 55 public double lenght() { 56 return Math.sqrt(x*x + y*y); 57 } 58 59 public Vector setLenght(double newLenght) { 60 double lenght = lenght(); 61 x = x * newLenght / lenght; 62 y = y * newLenght / lenght; 63 return this; 64 } 65 66 public Vector multiply(double multiplier) { 67 x*=multiplier; 68 y*=multiplier; 69 return this; 70 } 71 72 /** 73 * {@inheritDoc} 74 */ 75 @Override 76 public Vector clone() { 77 return new Vector(x, y); 78 } 79 80 /** 81 * {@inheritDoc} 82 */ 83 @Override 84 public String toString() { 85 return "(" + x + "," + y + ")"; 86 } 87 88 public Vector add(Vector v) { 89 x+=v.x; 90 y+=v.y; 91 return this; 92 } 93 94 }