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Use target smoothing for continuous spatial audio

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Jage9
2026-02-22 21:27:27 -05:00
parent 3d741b358a
commit 6c453d56ff
4 changed files with 9 additions and 6 deletions
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5
client/src/audio/itemEmitRuntime.ts
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@@ -28,6 +28,7 @@ const ITEM_EMIT_BASE_GAIN = 1;
const SUBSCRIBE_PRELOAD_SQUARES = 5;
const UNSUBSCRIBE_HYSTERESIS_SQUARES = 8;
const SPATIAL_RAMP_SECONDS = 0.2;
const SPATIAL_TIME_CONSTANT_SECONDS = SPATIAL_RAMP_SECONDS / 3;
/** Maps a 0-100 speed control to playback-rate range used by emitted audio. */
function resolveEmitPlaybackRate(raw: unknown): number {
@@ -224,10 +225,10 @@ export class ItemEmitRuntime {
const gainValue = mix?.gain ?? 0;
const panValue = mix?.pan ?? 0;
const emitVolume = volumePercentToGain(item.params.emitVolume, 100);
output.gain.gain.linearRampToValueAtTime(gainValue * emitVolume, audioCtx.currentTime + SPATIAL_RAMP_SECONDS);
output.gain.gain.setTargetAtTime(gainValue * emitVolume, audioCtx.currentTime, SPATIAL_TIME_CONSTANT_SECONDS);
if (output.panner) {
const resolvedPan = this.audio.getOutputMode() === 'mono' ? 0 : Math.max(-1, Math.min(1, panValue));
output.panner.pan.linearRampToValueAtTime(resolvedPan, audioCtx.currentTime + SPATIAL_RAMP_SECONDS);
output.panner.pan.setTargetAtTime(resolvedPan, audioCtx.currentTime, SPATIAL_TIME_CONSTANT_SECONDS);
}
}
}