text: from pandac.PandaModules import *
  from direct.interval.IntervalGlobal import *
  from direct.particles import ParticleEffect
  from direct.particles import Particles
  from direct.particles import ForceGroup
  from EffectController import EffectController
  from PooledEffect import PooledEffect
  import random
  
  class Explosion(PooledEffect, EffectController):
      cardScale = 128.0
  
      def __init__(self):
          PooledEffect.__init__(self)
          EffectController.__init__(self)
          model = loader.loadModel('models/effects/particleMaps')
          self.card = model.find('**/pir_t_efx_msc_lavaSplash')
          self.radius = 8.0
          self.effectScale = 1.0
          if not Explosion.particleDummy:
              Explosion.particleDummy = render.attachNewNode(ModelNode('ExplosionParticleDummy'))
              Explosion.particleDummy.setDepthWrite(0)
              Explosion.particleDummy.setLightOff()
              Explosion.particleDummy.setFogOff()
              Explosion.particleDummy.setColorScaleOff()
              Explosion.particleDummy.setBin('fixed', 120)
          self.f = ParticleEffect.ParticleEffect('Explosion')
          self.f.reparentTo(self)
          self.p0 = Particles.Particles('particles-1')
          self.p0.setFactory('ZSpinParticleFactory')
          self.p0.setRenderer('SpriteParticleRenderer')
          self.p0.setEmitter('SphereSurfaceEmitter')
          self.f.addParticles(self.p0)
          self.p0.setPoolSize(16)
          self.p0.setBirthRate(0.01)
          self.p0.setLitterSize(2)
          self.p0.setLitterSpread(0)
          self.p0.setSystemLifespan(0.0)
          self.p0.setLocalVelocityFlag(1)
          self.p0.setSystemGrowsOlderFlag(0)
          self.p0.factory.setLifespanBase(1.0)
          self.p0.factory.setLifespanSpread(0.25)
          self.p0.factory.setMassBase(1.0)
          self.p0.factory.setMassSpread(0.0)
          self.p0.factory.setTerminalVelocityBase(400.0)
          self.p0.factory.setTerminalVelocitySpread(0.0)
          self.p0.factory.setInitialAngle(0.0)
          self.p0.factory.setInitialAngleSpread(180.0)
          self.p0.factory.enableAngularVelocity(1)
          self.p0.factory.setAngularVelocity(20.0)
          self.p0.factory.setAngularVelocitySpread(5.0)
          self.p0.renderer.setAlphaMode(BaseParticleRenderer.PRALPHAINOUT)
          self.p0.renderer.setUserAlpha(1.0)
          self.p0.renderer.setFromNode(self.card)
          self.p0.renderer.setColor(Vec4(1.0, 1.0, 1.0, 1.0))
          self.p0.renderer.setXScaleFlag(1)
          self.p0.renderer.setYScaleFlag(1)
          self.p0.renderer.setAnimAngleFlag(1)
          self.p0.renderer.setNonanimatedTheta(0.0)
          self.p0.renderer.setAlphaBlendMethod(BaseParticleRenderer.PPBLENDLINEAR)
          self.p0.renderer.setAlphaDisable(0)
          self.p0.renderer.setColorBlendMode(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOneMinusFbufferAlpha, ColorBlendAttrib.OOneMinusIncomingAlpha)
          self.p0.emitter.setEmissionType(BaseParticleEmitter.ETRADIATE)
          self.p0.emitter.setAmplitude(2.0)
          self.p0.emitter.setAmplitudeSpread(0.0)
          self.p0.emitter.setOffsetForce(Vec3(0.0, 0.0, 5.0))
          self.p0.emitter.setExplicitLaunchVector(Vec3(1.0, 0.0, 0.0))
          self.p0.emitter.setRadiateOrigin(Point3(0.0, 0.0, 0.0))
          self.setEffectScale(self.effectScale)
          self.setEffectRadius(self.radius)
  
      def createTrack(self):
          self.track = Sequence(Func(self.p0.setBirthRate, 0.02), Func(self.p0.clearToInitial), Func(self.f.start, self, self.particleDummy), Func(self.f.reparentTo, self), Wait(0.6), Func(self.p0.setBirthRate, 100), Wait(1.25), Func(self.cleanUpEffect))
  
      def setEffectScale(self, scale):
          self.effectScale = scale
          if self.p0:
              self.p0.renderer.setUserAlpha(self.effectScale)
              self.p0.renderer.setInitialXScale(0.05 * self.cardScale * self.effectScale)
              self.p0.renderer.setFinalXScale(0.12 * self.cardScale * self.effectScale)
              self.p0.renderer.setInitialYScale(0.05 * self.cardScale * self.effectScale)
              self.p0.renderer.setFinalYScale(0.1 * self.cardScale * self.effectScale)
  
      def setEffectRadius(self, radius):
          self.radius = radius
          if self.p0:
              self.p0.emitter.setRadius(self.radius)
  
      def cleanUpEffect(self):
          EffectController.cleanUpEffect(self)
          self.checkInEffect(self)
  
      def destroy(self):
          EffectController.destroy(self)
          PooledEffect.destroy(self)