1 /******************************************************************************* 2 * Copyright (c) 2013, Daniel Murphy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * * Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 17 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 20 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 21 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 22 * POSSIBILITY OF SUCH DAMAGE. 23 ******************************************************************************/ 24 package org.jbox2d.dynamics; 25 26 import org.jbox2d.collision.shapes.Shape; 27 28 /** 29 * A fixture definition is used to create a fixture. This class defines an abstract fixture 30 * definition. You can reuse fixture definitions safely. 31 * 32 * @author daniel 33 */ 34 public class FixtureDef { 35 /** 36 * The shape, this must be set. The shape will be cloned, so you can create the shape on the 37 * stack. 38 */ 39 public Shape shape = null; 40 41 /** 42 * Use this to store application specific fixture data. 43 */ 44 public Object userData; 45 46 /** 47 * The friction coefficient, usually in the range [0,1]. 48 */ 49 public float friction; 50 51 /** 52 * The restitution (elasticity) usually in the range [0,1]. 53 */ 54 public float restitution; 55 56 /** 57 * The density, usually in kg/m^2 58 */ 59 public float density; 60 61 /** 62 * A sensor shape collects contact information but never generates a collision response. 63 */ 64 public boolean isSensor; 65 66 /** 67 * Contact filtering data; 68 */ 69 public Filter filter; 70 71 public FixtureDef() { 72 shape = null; 73 userData = null; 74 friction = 0.2f; 75 restitution = 0f; 76 density = 0f; 77 filter = new Filter(); 78 isSensor = false; 79 } 80 81 /** 82 * The shape, this must be set. The shape will be cloned, so you can create the shape on the 83 * stack. 84 */ 85 public Shape getShape() { 86 return shape; 87 } 88 89 /** 90 * The shape, this must be set. The shape will be cloned, so you can create the shape on the 91 * stack. 92 */ 93 public void setShape(Shape shape) { 94 this.shape = shape; 95 } 96 97 /** 98 * Use this to store application specific fixture data. 99 */ 100 public Object getUserData() { 101 return userData; 102 } 103 104 /** 105 * Use this to store application specific fixture data. 106 */ 107 public void setUserData(Object userData) { 108 this.userData = userData; 109 } 110 111 /** 112 * The friction coefficient, usually in the range [0,1]. 113 */ 114 public float getFriction() { 115 return friction; 116 } 117 118 /** 119 * The friction coefficient, usually in the range [0,1]. 120 */ 121 public void setFriction(float friction) { 122 this.friction = friction; 123 } 124 125 /** 126 * The restitution (elasticity) usually in the range [0,1]. 127 */ 128 public float getRestitution() { 129 return restitution; 130 } 131 132 /** 133 * The restitution (elasticity) usually in the range [0,1]. 134 */ 135 public void setRestitution(float restitution) { 136 this.restitution = restitution; 137 } 138 139 /** 140 * The density, usually in kg/m^2 141 */ 142 public float getDensity() { 143 return density; 144 } 145 146 /** 147 * The density, usually in kg/m^2 148 */ 149 public void setDensity(float density) { 150 this.density = density; 151 } 152 153 /** 154 * A sensor shape collects contact information but never generates a collision response. 155 */ 156 public boolean isSensor() { 157 return isSensor; 158 } 159 160 /** 161 * A sensor shape collects contact information but never generates a collision response. 162 */ 163 public void setSensor(boolean isSensor) { 164 this.isSensor = isSensor; 165 } 166 167 /** 168 * Contact filtering data; 169 */ 170 public Filter getFilter() { 171 return filter; 172 } 173 174 /** 175 * Contact filtering data; 176 */ 177 public void setFilter(Filter filter) { 178 this.filter = filter; 179 } 180 } 181
