//容器中放柱子
void HelloWorld::addBar(float dt){
float offset = -rand()%6/mfac;
float speed = 0;
// 下面的柱子
B2Sprite *downBar = B2Sprite::create("down_bar.png");
CCSize downBarSize = downBar->getContentSize();
b2BodyDef downBarBodyDef;
downBarBodyDef.type = b2_kinematicBody;
//x轴屏幕右方外两像素的位置,y轴是柱子一半
downBarBodyDef.position = b2Vec2(mScreenSize.width/RATIO+2,
downBarSize.height/RATIO/2+offset);
downBarBodyDef.linearVelocity = b2Vec2(speed, 0);
b2Body *downBarBody = mWorld->CreateBody(&downBarBodyDef);
b2PolygonShape downBarShape;
downBarShape.SetAsBox(downBarSize.width/2/RATIO,
downBarSize.height/2/RATIO);
b2FixtureDef downBarFixtureDef;
downBarFixtureDef.restitution = 0;
downBarFixtureDef.shape = &downBarShape;
downBarFixtureDef.filter.categoryBits = 0x0004;
downBarBody->CreateFixture(&downBarFixtureDef);
downBar->setB2Body(downBarBody);
downBar->setPTMRatio(RATIO);
mBarContainer-> addChild(downBar,1,SPRITE_TAG_BAR);
m_pDownBarVec.push_back(downBar);
//上面的柱子
B2Sprite *upBar = B2Sprite::create("up_bar.png");
CCSize upBarSize = upBar->getContentSize();
b2BodyDef upBarBodyDef;
upBarBodyDef.type = b2_kinematicBody;
upBarBodyDef.position = b2Vec2(mScreenSize.width/RATIO+2,
downBarSize.height/RATIO+offset+gBardis/RATIO+upBarSize.height/2/RATIO);
upBarBodyDef.linearVelocity = b2Vec2(speed, 0);
b2Body *upBarDody = mWorld->CreateBody(&upBarBodyDef);
b2PolygonShape upBarShape;
upBarShape.SetAsBox(upBarSize.width/2/RATIO, upBarSize.height/2/RATIO);
b2FixtureDef upBarFixtureDef;
upBarFixtureDef.restitution = 0;
upBarFixtureDef.shape = &upBarShape;
upBarFixtureDef.filter.categoryBits = 0x0004;
upBarDody->CreateFixture(&upBarFixtureDef);
upBar->setB2Body(upBarDody);
upBar->setPTMRatio(RATIO);
mBarContainer->addChild(upBar,1,SPRITE_TAG_BAR);
}
//1 2 4 6
//0 1 2 3
int HelloWorld::addGround(int index) {
B2Sprite* pGround = B2Sprite::create("ground.png");
CCSize groundSize = pGround->getContentSize();
mgroundSize = pGround->getContentSize();
//m_pGround[index]->setTag(index);
b2BodyDef bodyDef;
bodyDef.type = b2_staticBody;
bodyDef.position = b2Vec2((groundSize.width*(index*2)/2.0f)/RATIO,
groundSize.height/2.0f/RATIO);
b2Body *groundBody = mWorld->CreateBody(&bodyDef);
b2PolygonShape groundShape;
groundShape.SetAsBox(groundSize.width/2.0f/RATIO, groundSize.height/2.0f/RATIO);
b2FixtureDef groundFixtureDef;
groundFixtureDef.shape = &groundShape;
groundFixtureDef.filter.categoryBits = 0x0002;
groundBody->CreateFixture(&groundFixtureDef);
pGround->setB2Body(groundBody);
pGround->setPTMRatio(RATIO);
addChild(pGround,3,SPRITE_TAG_GROUND);
m_pGroundVec.push_back(pGround);
int iwin=int(mScreenSize.width/(groundSize.width)+2);
CCLOG("addGround win x:%f,groundSize.width:%f,mfac:%f,iwin:%d",mScreenSize.width,
groundSize.width,mfac,iwin);
return iwin;
}
void HelloWorld::addBar(float dt){
float offset = -rand()%5;
// 下面的柱子
B2Sprite *downBar = B2Sprite::create("down_bar.png");
CCSize downBarSize = downBar->getContentSize();
b2BodyDef downBarBodyDef;
downBarBodyDef.type = b2_kinematicBody;
downBarBodyDef.position = b2Vec2(mScreenSize.width/RATIO+2,
downBarSize.height/RATIO/2+offset);
downBarBodyDef.linearVelocity = b2Vec2(-5, 0);
b2Body *downBarBody = mWorld->CreateBody(&downBarBodyDef);
b2PolygonShape downBarShape;
downBarShape.SetAsBox(downBarSize.width/2/RATIO,
downBarSize.height/2/RATIO);
b2FixtureDef downBarFixtureDef;
downBarFixtureDef.shape = &downBarShape;
downBarBody->CreateFixture(&downBarFixtureDef);
downBar->setB2Body(downBarBody);
downBar->setPTMRatio(RATIO);
mBarContainer-> addChild(downBar);
//上面的柱子
B2Sprite *upBar = B2Sprite::create("up_bar.png");
CCSize upBarSize = upBar->getContentSize();
b2BodyDef upBarBodyDef;
upBarBodyDef.type = b2_kinematicBody;
upBarBodyDef.position = b2Vec2(mScreenSize.width/RATIO+2,
downBarSize.height/RATIO+offset+2+upBarSize.height/2/RATIO);
upBarBodyDef.linearVelocity = b2Vec2(-5, 0);
b2Body *upBarDody = mWorld->CreateBody(&upBarBodyDef);
b2PolygonShape upBarShape;
upBarShape.SetAsBox(upBarSize.width/2/RATIO, upBarSize.height/2/RATIO);
b2FixtureDef upBarFixtureDef;
upBarFixtureDef.shape = &upBarShape;
upBarDody->CreateFixture(&upBarFixtureDef);
upBar->setB2Body(upBarDody);
upBar->setPTMRatio(RATIO);
mBarContainer-> addChild(upBar);
}
void HelloWorld::addGround(){
B2Sprite *ground = B2Sprite::create("ground.png");
CCSize size = ground->getContentSize();
ground->setScaleX(2.0);
b2BodyDef bDef;
bDef.type = b2_staticBody;
bDef.position = b2Vec2(size.width/RATIO, size.height/2/RATIO);
b2Body* groundBody = world->CreateBody(&bDef);
b2PolygonShape groundShape;
groundShape.SetAsBox(size.width/RATIO, size.height/2/RATIO);
b2FixtureDef groundFixtureDef;
groundFixtureDef.shape = &groundShape;
groundBody->CreateFixture(&groundFixtureDef);
ground->setB2Body(groundBody);
ground->setPTMRatio(RATIO);
addChild(ground);
}