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Lumberyard
User Guide (Version 1.14)

Audio Attribute

Parameters in this attribute determine which sounds are emitted by the particle system and when.

Audio Attribute Parameters for CPU Emitters

Parameter Function Description
Start Trigger Selects the start trigger sound asset to play with the emitter.
Stop Trigger Selects the stop trigger sound asset to play with the emitter.
Sound FXParam Applies the modulate value to the sound. The effect depends on how the particlefx parameter for the individual sound is defined. Depending on the sound, this value might affect volume, pitch, or other attributes. You can set a Random value and Strength Over Emitter Lifetime curve.

Valid values: 0+

Default value: 1

Sound Control Time
  • EmitterLifeTime – Plays for the length of the emitter's lifetime.

  • EmitterExtendedLifeTime –Plays for the length of the emitter's lifetime plus all particles' lifetimes (until all particles die).

  • EmitterPulsePeriod – Plays for the length of the pulse period.