private void StartNextTween()
{
if (this.chainInternal.Count > 0)
{
this.currentItem = this.chainInternal[this.currentIndex].StartTween();
this.currentIndex++;
}
}
/// <summary>
/// Maintains the current chain but puts us back at the beginning
/// </summary>
public void Refresh()
{
this.currentIndex = 0;
this.currentItem = null;
var chainCopy = new List <IChainItem>(this.chainInternal);
foreach (var item in chainCopy)
{
item.Refresh();
}
StartNextTween();
}
public void Update(float dt)
{
if (this.currentItem == null && this.chainInternal.Count > this.currentIndex)
{
StartNextTween();
}
if (this.currentItem != null)
{
this.currentItem.Update(dt);
if (this.currentItem.IsComplete)
{
this.currentItem = null;
// We recurse to queue up next item, this has a few interesting consequences:
// 1) callbacks execute instantly, therefore:
// 2) callbacks that queue up additional callbacks with no delay will infinite loop
Update(dt);
}
}
}
public TweenChain Append(IChainItem item)
{
this.chainInternal.Add(item);
return(this);
}
public void Clear()
{
this.chainInternal.Clear();
this.currentIndex = 0;
this.currentItem = null;
}
/// <summary>
/// Skip to the end of the tween, skipping everything in between
/// </summary>
public void SkipToEnd()
{
this.currentIndex = this.chainInternal.Count;
this.currentItem = null;
}
public CoR <TContext> AddNext(IChainItem <TContext> chainItem)
{
Chain.Enqueue(chainItem);
return(this);
}
