p5.js| addCue() Function

The addCue() function is an inbuilt function in p5.js library. This function is used to trigger some specific task in every specified time at some specific point of loaded audio which is playing. syntax:

addCue(time, callback, value)

Note: All the sound-related functions only work when the sound library is included in the head section of the index.html file. Parameter: This function accepts three parameters as mentioned above and described below:

• time: This parameter holds the time for the event that will be trigger at that time.
• callback: This parameter is the name of the function that will be called when the audio reaches at that specified time.
• value: This parameter is passed as second parameter as callback and it is optional.

Below example illustrate the p5.addCue() function in JavaScript: Example: javascript

var sound;
 
function setup() {
 
    // Initialize sound 
    sound = createAudio('song.mp3');
    
    // Playing the sound 
    sound.play();
 
    // event define after specific time of audio
    sound.addCue(5, geeks);
    sound.addCue(10, pse);
  }
   
  //event that will occur in 5 sec
  function geeks(dur) {
    alert('addCue function running');
  }

  //event that will occur in 10 sec
  function pse() {
    sound.pause();
  }

Note: If the trigger event wants a response from the user, then without receiving response next event will not occur. Online editor: https://editor.p5js.org/ Environment Setup: https://www.geeksforgeeks.org/p5-js-soundfile-object-installation-and-methods/ Supported Browsers: The browsers supported by p5.js addCue() function are listed below:

• Google Chrome
• Internet Explorer
• Firefox
• Safari
• Opera