开发学院图形图像Flash Full Totem Destroyer prototype 阅读

Full Totem Destroyer prototype

 2009-11-12 00:00:00 来源:WEB开发网   
核心提示: and this is the custom b2ContactListener class/**Copyright(c)2006-2007ErinCattohttp://www.gphysics.com**Thissoftwareisprovided'as-is',withou

and this is the custom b2ContactListener class

/*
* 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.Dynamics{
 
 
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Contacts.*;
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
 
 
/// Implement this class to get collision results. You can use these results for
/// things like sounds and game logic. You can also get contact results by
/// traversing the contact lists after the time step. However, you might miss
/// some contacts because continuous physics leads to sub-stepping.
/// Additionally you may receive multiple callbacks for the same contact in a
/// single time step.
/// You should strive to make your callbacks efficient because there may be
/// many callbacks per time step.
/// @warning The contact separation is the last computed value.
/// @warning You cannot create/destroy Box2D entities inside these callbacks.
public class b2ContactListener
{
var lose:Boolean = false
 /// Called when a contact point is added. This includes the geometry
 /// and the forces.
 public virtual function Add(point:b2ContactPoint) : void{
  if(point.shape1.GetBody().GetUserData().name == "Totem" && point.shape2.GetBody().GetUserData().name == "floor" && lose==false){
   lose = true
   trace("lose")
   point.shape1.GetBody().GetUserData().gotoAndPlay("broken")
  }
  if(point.shape1.GetBody().GetUserData().name == "floor" && point.shape2.GetBody().GetUserData().name == "Totem" && lose==false){
   lose = true
   trace("lose")
   point.shape2.GetBody().GetUserData().gotoAndPlay("broken")
  }
  };
 
 /// Called when a contact point persists. This includes the geometry
 /// and the forces.
 public virtual function Persist(point:b2ContactPoint) : void{};
 
 /// Called when a contact point is removed. This includes the last
 /// computed geometry and forces.
 public virtual function Remove(point:b2ContactPoint) : void{};
 
 /// Called after a contact point is solved.
 public virtual function Result(point:b2ContactResult) : void{};
};
 
}

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