Sound component — ICE 0.1 documentation

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# Sound component

A sound component allows an entity to play sounds when certain conditions are met (e.g. firing a weapon, being hit). In YAML, a sound component is a sequence of sound playing conditions. Each condition might have various tags, at least specifying the condition and file name of the sound to play. Two sound formats are supported: WAV and Ogg Vorbis.

Example:

    sound:
      - condition: hit
        sound:     sound/firing/hit.ogg
        volume:    0.3
      - condition: burst
        weapon:    0
        sound:     sound/firing/laser.ogg
      - condition: spawn
        sound:     sound/spawn/created.ogg
        delay:     0.5

An entity with this sound component has three sounds it might play. The first is played when it’s being hit, with 30% volume. The second is played when the weapon in weapon slot 0 is fired, with full volume, and the last is played 0.5 seconds after the entity is spawned.

Note

Sound effects will only play for entities inside or very close to game area, or entities without a position (no physics component). This is to prevent entities that are not dead yet but have left the screen from playing sounds. (As of time of this writing, the “sound area” is the game area with a margin of 64 units in all directions).

## Tags

condition | When this condition is met, the sound is played. The value can be one of spawn, met when the entity is created, hit, when the entity collides (e.g. with a projectile), and burst, when the entity fires a weapon (which must be specified by the weapon tag in that case). This must be specified; there is no default.
delay | Delay between meeting the condition and playing the sound. Float, at least 0.0. Default: `0.0`
weapon | When the burst condition is used, the sound is played if the weapon in this slot (if any) starts a burst (fires). Integer. This must be specified (when burst condition is used); there is no default.
sound | File name of the sound to play when the condition is met. String. This must be specified; there is no default.
volume | Volume of the sound (relative to the global sound volume). Float, at least 0.0 and at most 1.0. Default: `1.0`.

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