/* * Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com * * 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 as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ package Box2D.Collision{ import Box2D.Collision.* import Box2D.Common.Math.* /// A manifold point is a contact point belonging to a contact /// manifold. It holds details related to the geometry and dynamics /// of the contact points. /// The point is stored in local coordinates because CCD /// requires sub-stepping in which the separation is stale. public class b2ManifoldPoint { public function Reset() : void{ localPoint1.SetZero(); localPoint2.SetZero(); separation = 0.0; normalImpulse = 0.0; tangentImpulse = 0.0; id.key = 0; } public function Set(m:b2ManifoldPoint) : void{ localPoint1.SetV(m.localPoint1); localPoint2.SetV(m.localPoint2); separation = m.separation; normalImpulse = m.normalImpulse; tangentImpulse = m.tangentImpulse; id.key = m.id.key; } public var localPoint1:b2Vec2 = new b2Vec2(); public var localPoint2:b2Vec2 = new b2Vec2(); public var separation:Number; public var normalImpulse:Number; public var tangentImpulse:Number; public var id:b2ContactID = new b2ContactID(); }; }