注释的会报错
void HWorld::myupdate(float dt){
auto onebullet = getChildByTag(922);
auto oneEnemy = getChildByTag(900);
if(!onebullet->boundingBox().intersectsRect(oneEnemy->boundingBox())){
onebullet->setPositionY(onebullet->getPositionY() + 1);
}
else{
SimpleAudioEngine::sharedEngine()->playEffect("effect_boom.mp3");
auto particle = CCParticleSystemQuad::create("particle_boom.plist");
particle->setPosition(oneEnemy->getPosition());
particle->setAutoRemoveOnFinish(true);
addChild(particle);
// this->removeChild(onebullet,true);
// this->removeChild(oneEnemy,true);
}
}
```