AudioSource

설명

A representation of audio sources in 3D.

An AudioSource is attached to a GameObject for playing back sounds in a 3D environment. In order to play 3D sounds you also need to have a AudioListener. The audio listener is normally attached to the camera you want to use. Whether sounds are played in 3D or 2D is determined by AudioImporter settings.

You can play a single audio clip using Play, Pause and Stop. You can also adjust its volume while playing using the volume property, or seek using time. Multiple sounds can be played on one AudioSource using PlayOneShot. You can play a clip at a static position in 3D space using PlayClipAtPoint.

See Also: AudioListener, AudioClip, AudioSource component.

//This script allows you to toggle music to play and stop.
//Assign an AudioSource to a GameObject and attach an Audio Clip in the Audio Source. Attach this script to the GameObject.

using UnityEngine;

public class Example : MonoBehaviour
{
    AudioSource m_MyAudioSource;

    //Play the music
    bool m_Play;
    //Detect when you use the toggle, ensures music isn’t played multiple times
    bool m_ToggleChange;

    void Start()
    {
        //Fetch the AudioSource from the GameObject
        m_MyAudioSource = GetComponent<AudioSource>();
        //Ensure the toggle is set to true for the music to play at start-up
        m_Play = true;
    }

    void Update()
    {
        //Check to see if you just set the toggle to positive
        if (m_Play == true &amp;&amp; m_ToggleChange == true)
        {
            //Play the audio you attach to the AudioSource component
            m_MyAudioSource.Play();
            //Ensure audio doesn’t play more than once
            m_ToggleChange = false;
        }
        //Check if you just set the toggle to false
        if (m_Play == false &amp;&amp; m_ToggleChange == true)
        {
            //Stop the audio
            m_MyAudioSource.Stop();
            //Ensure audio doesn’t play more than once
            m_ToggleChange = false;
        }
    }

    void OnGUI()
    {
        //Switch this toggle to activate and deactivate the parent GameObject
        m_Play = GUI.Toggle(new Rect(10, 10, 100, 30), m_Play, "Play Music");

        //Detect if there is a change with the toggle
        if (GUI.changed)
        {
            //Change to true to show that there was just a change in the toggle state
            m_ToggleChange = true;
        }
    }
}

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