mirror of
https://github.com/Cardidi/dotween-upm-fork.git
synced 2025-12-21 01:36:05 +08:00
84 lines
2.2 KiB
C#
84 lines
2.2 KiB
C#
using UnityEngine;
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using System.Collections;
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/// <summary>
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/// TweenFlows are used for creating a chain of Tweens via the append/prepend methods. You can also get timeline
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/// like control by inserting Tweens and setting them to start at a specific time. Note that TweenFlows do not
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/// honor the delays set within regular Tweens. Use the append/prependDelay method to add any required delays
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/// </summary>
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public class GoTweenFlow : AbstractGoTweenCollection
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{
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public GoTweenFlow() : this( new GoTweenCollectionConfig() ) {}
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public GoTweenFlow( GoTweenCollectionConfig config ) : base( config ) {}
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#region internal Flow management
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/// <summary>
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/// the item being added already has a start time so no extra parameter is needed
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/// </summary>
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private void insert( TweenFlowItem item )
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{
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// early out for invalid items
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if( item.tween != null && !item.tween.isValid() )
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return;
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if( float.IsInfinity( item.duration ) )
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{
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Debug.LogError( "adding a Tween with infinite iterations to a TweenFlow is not permitted" );
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return;
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}
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if( item.tween != null )
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{
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if (item.tween.isReversed != isReversed)
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{
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Debug.LogError( "adding a Tween that doesn't match the isReversed property of the TweenFlow is not permitted." );
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return;
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}
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// ensure the tween isnt already live
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Go.removeTween(item.tween);
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// ensure that the item is marked to play.
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item.tween.play();
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}
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// add the item then sort based on startTimes
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_tweenFlows.Add( item );
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_tweenFlows.Sort( ( x, y ) =>
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{
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return x.startTime.CompareTo( y.startTime );
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} );
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duration = Mathf.Max( item.startTime + item.duration, duration );
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if (iterations < 0)
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totalDuration = float.PositiveInfinity;
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else
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totalDuration = duration * iterations;
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}
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#endregion
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#region Flow management
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/// <summary>
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/// inserts a Tween and sets it to start at the given startTime
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/// </summary>
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public GoTweenFlow insert( float startTime, AbstractGoTween tween )
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{
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var item = new TweenFlowItem( startTime, tween );
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insert( item );
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return this;
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}
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#endregion
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}
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