def __init__(self):
ShowBase.__init__(self)
self.enableParticles()
particles = Particles()
particles.setPoolSize(1000)
particles.setBirthRate(0.1)
particles.setLitterSize(10)
particles.setLitterSpread(3)
particles.setFactory("PointParticleFactory")
particles.setRenderer("GeomParticleRenderer")
particles.setEmitter("SphereVolumeEmitter")
smiley = loader.loadModel("smiley")
smiley.setScale(0.1)
particles.getRenderer().setGeomNode(smiley.node())
particles.enable()
self.effect = ParticleEffect("peffect", particles)
self.effect.reparentTo(render)
self.effect.enable()
self.cam.setPos(0, -10, 0)
