(Legacy Particle system).
See Also: ParticleEmitter, Particles documentation.
| angularVelocity | The angular velocity of the particle. |
| color | The color of the particle. |
| energy | The energy of the particle. |
| position | The position of the particle. |
| rotation | The rotation of the particle. |
| size | The size of the particle. |
| startEnergy | The starting energy of the particle. |
| velocity | The velocity of the particle. |