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Minart/Tutorial/11. Loading Sounds

11. Loading sounds

Just like we did with images, we can also load audio clips from files.

Minart supports multiple audio formats (RTTL AIFF, WAV and QOA).

Here's a small example to play a clip from a file

A simple audio player

Dependencies and imports

The audio loaders are included in the audio.sound package, so we need to include that.

This package also has an Sound object with helpers to call the loaders.

//> using scala "3.3.3"
//> using dep "eu.joaocosta::minart::0.6.0"

import eu.joaocosta.minart.audio.*
import eu.joaocosta.minart.audio.sound.*
import eu.joaocosta.minart.backend.defaults.given
import eu.joaocosta.minart.backend.subsystem.*
import eu.joaocosta.minart.graphics.*
import eu.joaocosta.minart.input.*
import eu.joaocosta.minart.runtime.*

Loading a sound

Just like loading an image, we can load sound resources.

val clip = Sound.loadAiffClip(Resource("assets/sample.aiff")).get

And then we can play it back using the same logic as in the audio playback example.

AppLoop
  .statelessAppLoop((system: CanvasSubsystem with AudioPlayerSubsystem) => {
    import system._
    if (canvas.getKeyboardInput().keysPressed.contains(KeyboardInput.Key.Space))
      audioPlayer.play(clip)
    if (canvas.getKeyboardInput().keysPressed.contains(KeyboardInput.Key.Backspace))
      audioPlayer.stop()
    canvas.clear()
    if (!audioPlayer.isPlaying()) canvas.fill(Color(0, 128, 0))
    else canvas.fill(Color(128, 0, 0))
    canvas.redraw()
  })
  .configure((Canvas.Settings(width = 128, height = 128), AudioPlayer.Settings()), LoopFrequency.hz60)
  .run()
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