def __init__( self ):
ParticleEffect.ParticleEffect.__init__( self )
self.reset()
self.setPos(0.000, 0.000, 0.000)
self.setHpr(0.000, 0.000, 0.000)
self.setScale(1.000, 1.000, 1.000)
self.particle = Particles.Particles('particles-1')
# Particles parameters
self.particle.setFactory("PointParticleFactory")
self.particle.setRenderer("LineParticleRenderer")
# self.particle.setRenderer("PointParticleRenderer")
self.particle.setEmitter("DiscEmitter")
self.particle.setPoolSize( 4096 )
self.particle.setBirthRate( 0.01 )
self.particle.setLitterSize(10)
self.particle.setLitterSpread(0)
self.particle.setSystemLifespan(0.0000)
self.particle.setLocalVelocityFlag(1)
self.particle.setSystemGrowsOlderFlag(0)
# Factory parameters
self.particle.factory.setLifespanBase(1.5000)
self.particle.factory.setLifespanSpread(0.0000)
self.particle.factory.setMassBase(1.0000)
self.particle.factory.setMassSpread(0.0000)
self.particle.factory.setTerminalVelocityBase(400.0000)
self.particle.factory.setTerminalVelocitySpread(0.0000)
# Point factory parameters
# Renderer parameters
self.particle.renderer.setAlphaMode(BaseParticleRenderer.PRALPHANONE)
self.particle.renderer.setUserAlpha(1.00)
# # Point parameters
# self.particle.renderer.setPointSize(1.00)
# self.particle.renderer.setStartColor(Vec4(1.00, 1.00, 1.00, 1.00))
# self.particle.renderer.setEndColor(Vec4(1.00, 1.00, 1.00, 1.00))
# self.particle.renderer.setBlendType(PointParticleRenderer.PPONECOLOR)
# self.particle.renderer.setBlendMethod(BaseParticleRenderer.PPNOBLEND)
# Line parameters
# self.particle.renderer.setHeadColor(Vec4(1.00, 1.00, 1.00, 1.00))
# self.particle.renderer.setTailColor(Vec4(1.00, 1.00, 1.00, 1.00))
self.particle.renderer.setHeadColor(Vec4(1.00, 1.00, 1.00, 1.0))
self.particle.renderer.setTailColor(Vec4(1.00, 1.00, 1.00, 1.0))
self.particle.renderer.setLineScaleFactor(1.00)
# Emitter parameters
self.particle.emitter.setEmissionType(BaseParticleEmitter.ETEXPLICIT)
self.particle.emitter.setAmplitude(1.0000)
self.particle.emitter.setAmplitudeSpread(0.0000)
self.particle.emitter.setOffsetForce(Vec3(0.0000, 0.0000, 0.0000))
self.particle.emitter.setExplicitLaunchVector(Vec3(0.0000, 0.0000, 0.0000))
self.particle.emitter.setRadiateOrigin(Point3(0.0000, 0.0000, 0.0000))
# Disc parameters
self.particle.emitter.setRadius(1.0000)
self.addParticles(self.particle)
self.forceGroup = ForceGroup.ForceGroup('gravity')
# Force parameters
force0 = LinearVectorForce(Vec3(0.0000, 0.0000, -1.0000), 1.0000, 0)
force0.setVectorMasks(1, 1, 1)
force0.setActive(1)
self.forceGroup.addForce(force0)
self.addForceGroup(self.forceGroup)
def _make_pfx (self, enode, rnode, pos, radius, scale1, scale2,
birthrate, lifespan, zspinini, zspinfin, zspinvel,
poolsize, littersize, amplitude, ampspread, risefact,
texpath, color, alphamode, softstop):
pfx = ParticleEffect()
pfx.setPos(pos)
p0 = make_particles()
p0.setPoolSize(poolsize)
p0.setBirthRate(birthrate)
p0.setLitterSize(littersize)
p0.setLitterSpread(0)
#p0.setSystemLifespan(1.0)
#p0.setLocalVelocityFlag(1)
#p0.setSystemGrowsOlderFlag(0)
# p0.setFactory("PointParticleFactory")
# p0.factory.setLifespanBase(lifespan)
# p0.factory.setLifespanSpread(0.0)
# #p0.factory.setMassBase(1.00)
# #p0.factory.setMassSpread(0.00)
# #p0.factory.setTerminalVelocityBase(400.0000)
# #p0.factory.setTerminalVelocitySpread(0.0000)
p0.setFactory("ZSpinParticleFactory")
p0.factory.setLifespanBase(lifespan)
p0.factory.setLifespanSpread(0.0)
#p0.factory.setMassBase(1.00)
#p0.factory.setMassSpread(0.00)
#p0.factory.setTerminalVelocityBase(400.0000)
#p0.factory.setTerminalVelocitySpread(0.0000)
p0.factory.setAngularVelocity(zspinvel)
p0.factory.setFinalAngle(zspinfin)
p0.factory.setInitialAngle(zspinini)
p0.setRenderer("SpriteParticleRenderer")
p0.renderer.setAlphaMode(alphamode)
texpaths = texpath
if not isinstance(texpath, (tuple, list)):
texpaths = [texpaths]
for texpath in texpaths:
texture = base.load_texture("data", texpath)
p0.renderer.addTexture(texture)
# p0.renderer.setUserAlpha(alpha)
p0.renderer.setColor(color)
p0.renderer.setXScaleFlag(1)
p0.renderer.setYScaleFlag(1)
p0.renderer.setAnimAngleFlag(1)
p0.renderer.setInitialXScale(scale1)
p0.renderer.setFinalXScale(scale2)
p0.renderer.setInitialYScale(scale1)
p0.renderer.setFinalYScale(scale2)
p0.setEmitter("SphereVolumeEmitter")
p0.emitter.setRadius(radius)
p0.emitter.setEmissionType(BaseParticleEmitter.ETRADIATE)
p0.emitter.setAmplitude(amplitude)
p0.emitter.setAmplitudeSpread(ampspread)
#p0.emitter.setOffsetForce(Vec3(0.0000, 0.0000, 0.0000))
#p0.emitter.setExplicitLaunchVector(Vec3(1.0000, 0.0000, 0.0000))
#p0.emitter.setRadiateOrigin(Point3(0.0000, 0.0000, 0.0000))
f0 = ForceGroup("vertex")
force0 = LinearVectorForce(risefact * amplitude)
force0.setActive(1)
f0.addForce(force0)
p0.setRenderParent(rnode)
pfx.addForceGroup(f0)
pfx.addParticles(p0)
pfx.start(enode)
if softstop:
pfx.softStop()
return pfx
