동적 몸은 지상 상자

Question

를 겪고 난 모든 것을 검색 한 다이나믹 한 몸이 지상의 몸과 충돌되지 않는 이유를 아직받지 내 코드

_debugDraw = new GLESDebugDraw(PTM_RATIO); 
    b2Vec2 gravity = b2Vec2(0.0f, -8.0f); 
    world = new b2World(gravity); 
    world->SetContinuousPhysics(true); 


     // Enable debugging flags. 
     uint32 flags = 0; 
     flags += b2Draw::e_shapeBit; 
     //flags += b2Draw::e_jointBit; 
     //flags += b2Draw::e_aabbBit; 
     //flags += b2Draw::e_pairBit; 
     //flags += b2Draw::e_centerOfMassBit; 
     _debugDraw->SetFlags(flags); 
       world->SetDebugDraw(_debugDraw); 

    bool doSleep = false; 

    world->SetAllowSleeping(doSleep); 
    ////////////////// 
    b2BodyDef myBodyDef; 
    myBodyDef.type = b2_staticBody; 

    myBodyDef.position.Set(0, 0); 
    b2Body* staticBody = world->CreateBody(&myBodyDef); 
    b2PolygonShape polygonShape; 
    b2FixtureDef myFixtureDef; 
    myFixtureDef.shape = &polygonShape; 
    myFixtureDef.density = 1; 
    myFixtureDef.friction=0.3f; 
//add four walls to the static body 
    polygonShape.SetAsBox(5.5, 0.5, b2Vec2(6, 2), 0);//ground 
    staticBody->CreateFixture(&myFixtureDef); 



    polygonShape.SetAsBox(5.5,0.5, b2Vec2(6, 8), 0);//ceiling 
    staticBody->CreateFixture(&myFixtureDef); 

    polygonShape.SetAsBox(0.5, 3, b2Vec2(0.6, 5), 0);//left wall 
    staticBody->CreateFixture(&myFixtureDef); 

    polygonShape.SetAsBox(0.5, 3, b2Vec2(11.5, 5), 0);//right wall 
    staticBody->CreateFixture(&myFixtureDef); 

    /////////////// 
    b2BodyDef playerspriteBodyDef; 
    playerspriteBodyDef.type = b2_dynamicBody; 
    playerspriteBodyDef.position.Set(4,4); 
// playerspriteBodyDef.userData = playerSprite; 
    playerspriteBody = world->CreateBody(&playerspriteBodyDef); 

    b2PolygonShape playerspriteShape; 
    playerspriteShape.SetAsBox(1,1); 

    b2FixtureDef playerspriteShapeDef; 
    playerspriteShapeDef.shape = &playerspriteShape; 
    playerspriteShapeDef.density = 10.0; 
    playerspriteShapeDef.friction=0.3; 
    playerspriteShapeDef.isSensor = true; 
    playerspriteBody->CreateFixture(&playerspriteShapeDef); 
    ////////////////////////// 
    b2BodyDef obstacle1spriteBodyDef; 
    obstacle1spriteBodyDef.type = b2_dynamicBody; 

    obstacle1spriteBodyDef.position.Set(10,4); 
    obstacle1spriteBody = world->CreateBody(&obstacle1spriteBodyDef); 

    b2PolygonShape obstacle1spriteShape; 
    obstacle1spriteShape.SetAsBox(0.5,0.5); 

    b2FixtureDef obstacle1spriteShapeDef; 
    obstacle1spriteShapeDef.friction=0.3; 
    obstacle1spriteShapeDef.shape = &obstacle1spriteShape; 
    obstacle1spriteShapeDef.density = 10.0; 
    obstacle1spriteShapeDef.isSensor = true; 
    obstacle1spriteBody->CreateFixture(&obstacle1spriteShapeDef); 
    contactListener = new MyContactListener(); 
    world->SetContactListener(contactListener); 


schedule(schedule_selector(HelloWorld::tick)); 
    bRet = true; 
} while (0); 

return bRet; 
} 

void HelloWorld::draw() 
{ 
glDisable(GL_TEXTURE_2D); 
glDisableClientState(GL_COLOR_ARRAY); 
glDisableClientState(GL_TEXTURE_COORD_ARRAY); 

world->DrawDebugData(); 

// restore default GL states 
glEnable(GL_TEXTURE_2D); 
glEnableClientState(GL_COLOR_ARRAY); 
glEnableClientState(GL_TEXTURE_COORD_ARRAY);  

    } 

     void HelloWorld::tick(float dt) 
    { 

int velocityIterations = 8;//8 
int positionIterations = 1;//1 

// Instruct the world to perform a single step of simulation. It is 
// generally best to keep the time step and iterations fixed. 
world->Step(dt, velocityIterations, positionIterations); 
world->DrawDebugData(); 


    } 

내가이의 연락처 리스너를 작성해야 할 것입니다. 나는 접촉 리스너를 사용하는 방법을 알고하지만 여전히 사용 여부를

응답을 기대할지 궁금

Answer 1

귀하의 문제는 플레이어 본체 고정 센서 만든 것입니다 : 또한

playerspriteShapeDef.isSensor = true; 

positionIterations를 늘리십시오 : 예 : 6.