1 /*******************************************************************************
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2 * Copyright 2011 See AUTHORS file.
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4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
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5 * License. You may obtain a copy of the License at
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7 * http://www.apache.org/licenses/LICENSE-2.0
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9 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
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10 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
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11 * governing permissions and limitations under the License.
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12 ******************************************************************************/
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14 package com.badlogic.gdx.math;
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16 import java.io.Serializable;
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19 * Encapsulates a 2D rectangle defined by it's bottom corner point and its extends in x (width) and y (height).
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20 * @author badlogicgames@gmail.com
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23 public class Rectangle implements Serializable {
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24 private static final long serialVersionUID = 5733252015138115702L;
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26 public float width, height;
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29 * Constructs a new rectangle with all values set to zero
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31 public Rectangle () {
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36 * Constructs a new rectangle with the given corner point in the bottom left and dimensions.
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37 * @param x The corner point x-coordinate
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38 * @param y The corner point y-coordinate
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39 * @param width The width
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40 * @param height The height
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42 public Rectangle (float x, float y, float width, float height) {
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46 this.height = height;
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50 * Constructs a rectangle based on the given rectangle
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51 * @param rect The rectangle
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53 public Rectangle (Rectangle rect) {
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57 height = rect.height;
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61 * @return the x-coordinate of the bottom left corner
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63 public float getX () {
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68 * Sets the x-coordinate of the bottom left corner
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69 * @param x The x-coordinate
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71 public void setX (float x) {
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76 * @return the y-coordinate of the bottom left corner
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78 public float getY () {
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83 * Sets the y-coordinate of the bottom left corner
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84 * @param y The y-coordinate
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86 public void setY (float y) {
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93 public float getWidth () {
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98 * Sets the width of this rectangle
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99 * @param width The width
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101 public void setWidth (float width) {
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102 this.width = width;
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106 * @return the height
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108 public float getHeight () {
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113 * Sets the height of this rectangle
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114 * @param height The height
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116 public void setHeight (float height) {
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117 this.height = height;
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121 * @param rectangle the other {@link Rectangle}.
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122 * @return whether the other rectangle is contained in this rectangle.
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124 public boolean contains (Rectangle rectangle) {
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125 float xmin = rectangle.x;
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126 float xmax = xmin + rectangle.width;
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128 float ymin = rectangle.y;
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129 float ymax = ymin + rectangle.height;
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131 return ((xmin > x && xmin < x + width) || (xmax > x && xmax < x + width))
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132 && ((ymin > y && ymin < y + height) || (ymax > y && ymax < y + height));
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136 * @param rectangle the other {@link Rectangle}
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137 * @return whether this rectangle overlaps the other rectangle.
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139 public boolean overlaps(Rectangle rectangle) {
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140 return !(x > rectangle.x + rectangle.width ||
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141 x + width < rectangle.x ||
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142 y > rectangle.y + rectangle.height ||
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143 y + height < rectangle.y);
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