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Learning Physics Modeling with PhysX by Krishna Kumar

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Particle system properties

A particle system in PhysX contains lots of properties that are used to define the simulation behavior of a particle and its interaction with the surrounding objects. These properties can be classified on the basis of their mutability (changeability) when they are defined for a particle system.

The classification of properties on the basis of mutability is as follows:

  • The properties that are immutable (can't be changed) after particle creation are explained as follows:
    • maxParticles: It specifies the maximum number of particles allowed for a particle system
    • particleBaseFlags, PxParticleBaseFlag::ePER_PARTICLE_REST_OFFSET: It is a flag for enabling/disabling per-particle rest offset
  • The properties that are immutable when the ...

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