/*
  * 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.
*/

// A manifold for two touching convex shapes.
var b2AABB = Class.create();
b2AABB.prototype = 
{
        IsValid: function(){
                //var d = b2Math.SubtractVV(this.maxVertex, this.minVertex);
                var dX = this.maxVertex.x;
                var dY = this.maxVertex.y;
                dX = this.maxVertex.x;
                dY = this.maxVertex.y;
                dX -= this.minVertex.x;
                dY -= this.minVertex.y;
                var valid = dX >= 0.0 && dY >= 0.0;
                valid = valid && this.minVertex.IsValid() && this.maxVertex.IsValid();
                return valid;
        },

        minVertex: new b2Vec2(),
        maxVertex: new b2Vec2(),
        initialize: function() {
                // initialize instance variables for references
                this.minVertex = new b2Vec2();
                this.maxVertex = new b2Vec2();
                //
}};



  *
  * 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.
  */
  
  // A manifold for two touching convex shapes.
  var b2AABB = Class.create();
  b2AABB.prototype = 
  {
          IsValid: function(){
                  //var d = b2Math.SubtractVV(this.maxVertex, this.minVertex);
                  var dX = this.maxVertex.x;
                  var dY = this.maxVertex.y;
                  dX = this.maxVertex.x;
                  dY = this.maxVertex.y;
                  dX -= this.minVertex.x;
                  dY -= this.minVertex.y;
                  var valid = dX >= 0.0 && dY >= 0.0;
                  valid = valid && this.minVertex.IsValid() && this.maxVertex.IsValid();
                  return valid;
          },
  
          minVertex: new b2Vec2(),
          maxVertex: new b2Vec2(),
          initialize: function() {
                  // initialize instance variables for references
                  this.minVertex = new b2Vec2();
                  this.maxVertex = new b2Vec2();
                  //
  }};