from direct.showbase.ShowBase import ShowBase from direct.particles.Particles import Particles from direct.particles.ParticleEffect import ParticleEffect class MyApp(ShowBase): def __init__(self): ShowBase.__init__(self) # Create a particle effect and add it to the render tree effect = ParticleEffect() effect.loadConfig("particles/explosion.ptf") effect.start(parent=self.render, renderParent=self.render) app = MyApp() app.run()
from direct.showbase.ShowBase import ShowBase from direct.particles.Particles import Particles from direct.particles.ParticleEffect import ParticleEffect class MyApp(ShowBase): def __init__(self): ShowBase.__init__(self) # Create a particle effect and add it to the render tree effect = ParticleEffect() effect.loadConfig("particles/fountain.ptf") effect.start(parent=self.render, renderParent=self.render) app = MyApp() app.run()
from direct.showbase.ShowBase import ShowBase from direct.particles.Particles import Particles, ParticleEffect from panda3d.core import Vec3 class MyApp(ShowBase): def __init__(self): ShowBase.__init__(self) # Create a particle system particles = Particles() particles.setEmitter("disc") particles.setPoolSize(100) particles.setBirthRate(0.5) particles.setLitterSize(10) particles.setLitterSpread(5) particles.setSystemLifespan(5.0) particles.setLocalVelocityFlag(1) particles.setSystemGrowsOlderFlag(0) particles.factory.setLifespanBase(0.5) particles.factory.setLifeSpanSpread(0.2) particles.factory.setMassBase(1.0) particles.factory.setTerminalVelocityBase(400.0) particles.factory.setTerminalVelocitySpread(5.0) particles.renderer.setAlphaMode(ParticlesRenderer.SCALAR) particles.renderer.setUserAlpha(1.0) particles.renderer.setFromNode(self.loader.loadTexture("textures/smoke.png")) # Create a particle effect and add it to the render tree effect = ParticleEffect() effect.addParticles(particles) effect.start(parent=self.render, renderParent=self.render, worldRelative=True, duration=5.0) app = MyApp() app.run()This code creates a custom particle system by setting various parameters and creating a particle effect using the Particles class. It renders smoking particles that last for 5 seconds. Overall, the direct.particles package is part of the Panda3D game engine library developed specifically for creating particle effects in games and other real-time interactive applications.