63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
from panda3d.core import *
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from panda3d.physics import *
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from direct.interval.IntervalGlobal import *
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from direct.particles import ParticleEffect
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from direct.particles import Particles
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from direct.particles import ForceGroup
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import random
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class Bubbles(NodePath):
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def __init__(self, parent, renderParent):
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NodePath.__init__(self)
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self.renderParent = renderParent.attachNewNode('bubbleRenderParent')
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self.renderParent.setBin('fixed', 0)
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self.assign(parent.attachNewNode('bubbles'))
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self.effect = ParticleEffect.ParticleEffect()
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p0 = Particles.Particles('particles-1')
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p0.setFactory('PointParticleFactory')
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p0.setRenderer('SpriteParticleRenderer')
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p0.setEmitter('DiscEmitter')
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p0.setPoolSize(8)
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p0.setBirthRate(0.75)
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p0.setLitterSize(2)
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p0.setLitterSpread(1)
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p0.factory.setLifespanBase(2.0)
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p0.factory.setLifespanSpread(0.5)
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p0.factory.setTerminalVelocityBase(400.0)
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p0.factory.setTerminalVelocitySpread(40.0)
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p0.renderer.setAlphaMode(BaseParticleRenderer.PRALPHAUSER)
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p0.renderer.setUserAlpha(1.0)
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p0.renderer.setTextureFromNode('phase_4/models/char/bubble', '**/*')
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p0.renderer.setXScaleFlag(1)
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p0.renderer.setYScaleFlag(1)
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p0.renderer.setInitialXScale(0.07)
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p0.renderer.setFinalXScale(0.2)
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p0.renderer.setInitialYScale(0.07)
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p0.renderer.setFinalYScale(0.2)
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p0.emitter.setEmissionType(BaseParticleEmitter.ETRADIATE)
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p0.emitter.setAmplitudeSpread(0.025)
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p0.emitter.setAmplitude(0.1)
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p0.emitter.setRadius(0.5)
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gravityForceGroup = ForceGroup.ForceGroup('air')
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force0 = LinearVectorForce(Vec3(0.0, 0.0, 1.0), 1.0, 0)
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force0.setActive(1)
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force1 = LinearJitterForce(2.5, 0)
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force1.setActive(1)
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gravityForceGroup.addForce(force0)
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gravityForceGroup.addForce(force1)
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self.effect.addForceGroup(gravityForceGroup)
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self.effect.addParticles(p0)
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self.effect.setPos(0, 0, 0)
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def start(self):
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self.effect.start(self, self.renderParent)
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def stop(self):
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self.effect.disable()
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def destroy(self):
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self.effect.cleanup()
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self.renderParent.removeNode()
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del self.effect
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del self.renderParent
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