fadeGlobalIn

fadeGlobalIn(duration?: number, startVolume?: number, endVolume?: number): void;

Fade in the global volume over a specified duration. Optionally, set start and end volumes.

Parameter	Type	Default	Description
`duration`	`number`	`1`	Fade duration in seconds
`startVolume`	`number`	`0`	Volume to start from
`endVolume`	`number`	`1`	Volume to reach

tip

Use fadeGlobalOut to fade out the global volume.

Example

await soundManager.loadSounds([{ id: 'techno-tune', url: 'techno-tune.mp3' }]);

// Play at zero volume
soundManager.play('techno-tune', { loop: true });

// Option 1: set volume to 0 then fade in
soundManager.setGlobalVolume(0);
soundManager.fadeGlobalIn(3, 0, 1);

// Option 2: fade in from current volume
soundManager.fadeGlobalIn(2, 0.3, 0.8);

Fade type:

⏱ Duration3s

0.5s8s

Try it: Play the techno-tune sound, then use Fade In to gradually raise the global volume or Fade Out to lower it across all sounds.

Example​

Example