void TestParticle::initSnow()
{
CCParticleSystem *emitter = CCParticleSnow::create();
emitter->retain();
addChild(emitter, 10);
CCPoint p = emitter->getPosition();
emitter->setPosition( ccp( p.x, p.y-110) );
emitter->setLife(3);
emitter->setLifeVar(1);
// gravity
emitter->setGravity(ccp(0,-10));
// speed of particles
emitter->setSpeed(130);
emitter->setSpeedVar(30);
ccColor4F startColor = emitter->getStartColor();
startColor.r = 0.9f;
startColor.g = 0.9f;
startColor.b = 0.9f;
emitter->setStartColor(startColor);
ccColor4F startColorVar = emitter->getStartColorVar();
startColorVar.b = 0.1f;
emitter->setStartColorVar(startColorVar);
emitter->setEmissionRate(emitter->getTotalParticles()/emitter->getLife());
emitter->setTexture( CCTextureCache::sharedTextureCache()->addImage("snow.png"));
emitter->setPosition(ccp(0,480));
emitter->release();
}
