File: src\fork\box2d\collision\b2AABB.js
/*
* Copyright (c) 2006-2007 Erin Catto http:
*
* 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.
*/
/**
* An axis aligned bounding box.
*
* @class b2AABB
* @constructor
*/
var b2AABB = function () {
// initialize instance variables for references
this.minVertex = new b2Vec2();
this.maxVertex = new b2Vec2();
//
};
b2AABB.prototype =
{
/**
* Verify that the bounds are sorted.
*
* @method IsValid
*/
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()
};