使用cocos2d和box2d制作滚动背景

1、（译）使用 cocos2d box2d 制作滚动和 apiter（整理管理组（译）使用 cocos2d box2d 制作滚动和 apiter（整理管理组的 Tile Map 编辑器来做（ TiledMap翻译的关于TiledMap 可的 -(void)addScrollingBackgroundWithTileMaptileMapNode=CCTMXTiledMap=selfresource CCTMXTiledMap tiles 实际 box2d 的对象。-(void)Tiles selfresource CCTMXTiledMap tiles 实际 box2d 的对象。-(void)Til

2、es NSMutableDictionary*;floatx,y,w,forinobjectsobjects)valueForKey:x floatValue; selfTiles tileMap box2d float 否则会出现你在tileMap 的主角（下 -(void)boxId/Definethedynamic/Setupa1msquaredhe)boxId/Definethedynamic/Setupa1msquaredhephysicsle=bodyDef.userData=/bodyDef.userData=b2Body*body=world-/Defineanotherbox

3、forourdynamic /Definethedynamicbodyb2FixtureDef=fixtureDef.density= dens; fixtureDef.friction= f; -(id)initif(self=superinit)b2Vec2gravity=b2Vec2(0.0f,-9.8f); bool doSleep= true;world=newb2World(gravity,m_debugDraw=newu32flags=flags+=selfself selfb2BodyDef playerBody=world-selfself selfb2BodyDef pla

4、yerBody=world-;.m_radius=b2FixtureDef=;fixtureDef.density= 1.0f; fixtureDef.friction= 0.0f; fixtureDef.restitution=0.0f;b2Vec2impulse= selfreturn debug draw的 box2d 。 然后调用么都看不见！ 而且 debug draw 可以帮助addScrollingBackgroundWithTileMap 更好地调试 box2d cocos2d log body-(void)update:(ccTime)dt/Ittafixedtimesused

5、withBox2Dforstability a variable time step here.followingURLis/ofthesimulation,-(void)update:(ccTime)dt/IttafixedtimesusedwithBox2Dforstability a variable time step here.followingURLis/ofthesimulation,however,weare/Youneedtomakeaninformedchoice, HYPERLINK http:/game-physics/fix-your-timestep/ 32velo

6、cityIterations=itionIterations=/Instructtheworldtoperformasinglestepofsimulation.It/generallybesttokeepthetimestepanditerationsworld-Step(dt,/Iterateoverthehephysicsfor(b2Body*b=world-GetBodyList();b;b=b-if(b-GetUserData()!=NULL)/SynchronizecorrespondingitionandionwithCCSprite*myActor=(CCSprite*)b-ition=Make(b-ition().x*b-ition().y*ion=-1*C