92 lines
2.0 KiB
C#
92 lines
2.0 KiB
C#
//----------------------------------------------
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// NGUI: Next-Gen UI kit
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// Copyright © 2011-2014 Tasharen Entertainment
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//----------------------------------------------
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using UnityEngine;
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/// <summary>
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/// Tween the audio source's volume.
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/// </summary>
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[RequireComponent(typeof(AudioSource))]
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public class TweenVolume : Tweener
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{
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#if UNITY_3_5
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public float from = 1f;
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public float to = 1f;
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#else
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[Range(0f, 1f)] public float from = 1f;
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[Range(0f, 1f)] public float to = 1f;
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#endif
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AudioSource mSource;
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/// <summary>
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/// Cached version of 'audio', as it's always faster to cache.
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/// </summary>
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public AudioSource audioSource
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{
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get
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{
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if (mSource == null)
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{
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mSource = GetComponent<AudioSource>();
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if (mSource == null)
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{
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mSource = GetComponent<AudioSource>();
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if (mSource == null)
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{
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Debug.LogError("TweenVolume needs an AudioSource to work with", this);
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enabled = false;
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}
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}
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}
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return mSource;
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}
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}
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[System.Obsolete("Use 'value' instead")]
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public float volume { get { return this.value; } set { this.value = value; } }
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/// <summary>
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/// Audio source's current volume.
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/// </summary>
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public float value
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{
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get
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{
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return audioSource != null ? mSource.volume : 0f;
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}
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set
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{
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if (audioSource != null) mSource.volume = value;
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}
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}
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protected override void OnUpdate (float factor, bool isFinished)
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{
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value = from * (1f - factor) + to * factor;
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//mSource.enabled = (mSource.volume > 0.01f);
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}
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/// <summary>
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/// Start the tweening operation.
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/// </summary>
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static public TweenVolume Begin (GameObject go, float duration, float targetVolume)
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{
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TweenVolume comp = Tweener.Begin<TweenVolume>(go, duration);
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comp.from = comp.value;
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comp.to = targetVolume;
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return comp;
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}
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public override void SetStartToCurrentValue () { from = value; }
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public override void SetEndToCurrentValue () { to = value; }
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}
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