/*
  * Copyright (c) 2006-2007 Erin Catto 
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked, and must not be
* misrepresented the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/

var b2NullContact = Class.create();
Object.extend(b2NullContact.prototype, b2Contact.prototype);
Object.extend(b2NullContact.prototype, 
{
                initialize: function(s1, s2) {
                // The constructor for b2Contact
                // initialize instance variables for references
                this.m_node1 = new b2ContactNode();
                this.m_node2 = new b2ContactNode();
                //
                this.m_flags = 0;

                if (!s1 || !s2){
                        this.m_shape1 = null;
                        this.m_shape2 = null;
                        return;
                }

                this.m_shape1 = s1;
                this.m_shape2 = s2;

                this.m_manifoldCount = 0;

                this.m_friction = Math.sqrt(this.m_shape1.m_friction * this.m_shape2.m_friction);
                this.m_restitution = b2Math.b2Max(this.m_shape1.m_restitution, this.m_shape2.m_restitution);

                this.m_prev = null;
                this.m_next = null;

                this.m_node1.contact = null;
                this.m_node1.prev = null;
                this.m_node1.next = null;
                this.m_node1.other = null;

                this.m_node2.contact = null;
                this.m_node2.prev = null;
                this.m_node2.next = null;
                this.m_node2.other = null;
                //
},
        Evaluate: function() {},
        GetManifolds: function(){ return null; }});




  *
  * This software is provided 'as-is', without any express or implied
  * warranty.  In no event will the authors be held liable for any damages
  * arising from the use of this software.
  * Permission is granted to anyone to use this software for any purpose,
  * including commercial applications, and to alter it and redistribute it
  * freely, subject to the following restrictions:
  * 1. The origin of this software must not be misrepresented; you must not
  * claim that you wrote the original software. If you use this software
  * in a product, an acknowledgment in the product documentation would be
  * appreciated but is not required.
  * 2. Altered source versions must be plainly marked, and must not be
  * misrepresented the original software.
  * 3. This notice may not be removed or altered from any source distribution.
  */
  
  var b2NullContact = Class.create();
  Object.extend(b2NullContact.prototype, b2Contact.prototype);
  Object.extend(b2NullContact.prototype, 
  {
                  initialize: function(s1, s2) {
                  // The constructor for b2Contact
                  // initialize instance variables for references
                  this.m_node1 = new b2ContactNode();
                  this.m_node2 = new b2ContactNode();
                  //
                  this.m_flags = 0;
  
                  if (!s1 || !s2){
                          this.m_shape1 = null;
                          this.m_shape2 = null;
                          return;
                  }
  
                  this.m_shape1 = s1;
                  this.m_shape2 = s2;
  
                  this.m_manifoldCount = 0;
  
                  this.m_friction = Math.sqrt(this.m_shape1.m_friction * this.m_shape2.m_friction);
                  this.m_restitution = b2Math.b2Max(this.m_shape1.m_restitution, this.m_shape2.m_restitution);
  
                  this.m_prev = null;
                  this.m_next = null;
  
                  this.m_node1.contact = null;
                  this.m_node1.prev = null;
                  this.m_node1.next = null;
                  this.m_node1.other = null;
  
                  this.m_node2.contact = null;
                  this.m_node2.prev = null;
                  this.m_node2.next = null;
                  this.m_node2.other = null;
                  //
  },
          Evaluate: function() {},
          GetManifolds: function(){ return null; }});