Adding the gun muzzle particle system
You can add the previous code in the
fireRocket function in the
HelloWorldScene.cpp file and then build and run it. You will see the particles getting generated at the origin, but the explosion is a bit huge and looks very colorful. Let's make some changes so that it looks like a muzzle smoke.
addchild functions, add the following:
m_emitter->setPosition(ccpAdd(hero->getPosition(), ccp(hero->getContentSize().width/2 ,0 ))); m_emitter->setStartColor(ccc4f(1.0, 1.0, 1.0, 1.0)); m_emitter->setEndColor(ccc4f(0.0, 0.0, 0.0, 0.0)); m_emitter->setTotalParticles(10); m_emitter->setLife(0.25); m_emitter->setSpeed(2.0); m_emitter->setSpeedVar(30.0);
We take the current position of the hero and add ...