/// <summary>
/// Updates every tweens with a delta time ang handles the tween life-cycles
/// automatically.
/// </summary>
/// <remarks>
/// Updates every tweens with a delta time ang handles the tween life-cycles
/// automatically. If a tween is finished, it will be removed from the
/// manager. The delta time represents the elapsed time between now and the
/// last update call. Each tween or timeline manages its local time, and adds
/// this delta to its local time to update itself.
/// <p/>
/// Slow motion, fast motion and backward play can be easily achieved by
/// tweaking this delta time. Multiply it by -1 to play the animation
/// backward, or by 0.5 to play it twice slower than its normal speed.
/// </remarks>
public virtual void Update(float delta)
{
for (int i = objects.Count - 1; i >= 0; i--)
{
IBaseTween obj = objects[i];
if (obj.IsFinished() && obj.isAutoRemoveEnabled)
{
objects.RemoveAt(i);
obj.Free();
}
}
if (!isPaused)
{
if (delta >= 0)
{
for (int i = 0, n = objects.Count; i < n; i++)
{
objects[i].Update(delta);
}
}
else
{
for (int i = objects.Count - 1; i >= 0; i--)
{
objects[i].Update(delta);
}
}
}
}
// -------------------------------------------------------------------------
// Overrides
// -------------------------------------------------------------------------
public override Timeline Build()
{
if (isBuilt)
{
return(this);
}
duration = 0;
for (int i = 0; i < children.Count; i++)
{
IBaseTween obj = children[i];
if (obj.GetRepeatCount() < 0)
{
throw new InvalidOperationException("You can't push an object with infinite repetitions in a timeline");
}
obj._Build();
switch (mode)
{
case Timeline.Modes.SEQUENCE:
{
float tDelay = duration;
duration += obj.GetFullDuration();
obj.delay += tDelay;
break;
}
case Timeline.Modes.PARALLEL:
{
duration = Math.Max(duration, obj.GetFullDuration());
break;
}
}
}
isBuilt = true;
return(this);
}
protected internal override void ForceEndValues()
{
for (int i = 0, n = children.Count; i < n; i++)
{
IBaseTween obj = children[i];
obj.ForceToEnd(duration);
}
}
// -------------------------------------------------------------------------
// BaseTween impl.
// -------------------------------------------------------------------------
protected internal override void ForceStartValues()
{
for (int i = children.Count - 1; i >= 0; i--)
{
IBaseTween obj = children[i];
obj.ForceToStart();
}
}
/// <summary>Kills every tweens associated to the given target and tween type.</summary>
/// <remarks>
/// Kills every tweens associated to the given target and tween type. Will
/// also kill every timelines containing a tween associated to the given
/// target and tween type.
/// </remarks>
public virtual void KillTarget(object target, int tweenType)
{
for (int i = 0, n = objects.Count; i < n; i++)
{
IBaseTween obj = objects[i];
obj.KillTarget(target, tweenType);
}
}
/// <summary>Kills every managed tweens and timelines.</summary>
/// <remarks>Kills every managed tweens and timelines.</remarks>
public virtual void KillAll()
{
for (int i = 0, n = objects.Count; i < n; i++)
{
IBaseTween obj = objects[i];
obj.Kill();
}
}
public override void Free()
{
for (int i = children.Count - 1; i >= 0; i--)
{
IBaseTween obj = children[i];
children.RemoveAt(i);
obj.Free();
}
pool.Free(this);
}
public override Timeline Start()
{
base.Start();
for (int i = 0; i < children.Count; i++)
{
IBaseTween obj = children[i];
obj._Start();
}
return(this);
}
protected internal override bool ContainsTarget(object target, int tweenType)
{
for (int i = 0, n = children.Count; i < n; i++)
{
IBaseTween obj = children[i];
if (obj.ContainsTarget(target, tweenType))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Returns true if the manager contains any valid interpolation associated
/// to the given target object.
/// </summary>
/// <remarks>
/// Returns true if the manager contains any valid interpolation associated
/// to the given target object.
/// </remarks>
public virtual bool ContainsTarget(object target)
{
for (int i = 0, n = objects.Count; i < n; i++)
{
IBaseTween obj = objects[i];
if (obj.ContainsTarget(target))
{
return(true);
}
}
return(false);
}
// -------------------------------------------------------------------------
// Public API
// -------------------------------------------------------------------------
/// <summary>Adds a tween or timeline to the manager and starts or restarts it.</summary>
/// <remarks>Adds a tween or timeline to the manager and starts or restarts it.</remarks>
/// <returns>The manager, for instruction chaining.</returns>
public virtual TweenManager Add(IBaseTween tween)
{
if (!objects.Contains(tween))
{
objects.Add(tween);
}
if (tween.isAutoStartEnabled)
{
tween._Start();
}
return(this);
}
private static int GetTimelinesCount(IList <IBaseTween> objs)
{
int cnt = 0;
for (int i = 0, n = objs.Count; i < n; i++)
{
IBaseTween obj = objs[i];
if (obj is Timeline)
{
cnt += 1 + GetTimelinesCount(((Timeline)obj).GetChildren());
}
}
return(cnt);
}
/// <summary>
/// Disables or enables the "auto start" mode of any tween manager for a
/// particular tween or timeline.
/// </summary>
/// <remarks>
/// Disables or enables the "auto start" mode of any tween manager for a
/// particular tween or timeline. This mode is activated by default. If it
/// is not enabled, add a tween or timeline to any manager won't start it
/// automatically, and you'll need to call .start() manually on your object.
/// </remarks>
public static void SetAutoStart(IBaseTween @object, bool value)
{
@object.isAutoStartEnabled = value;
}
// -------------------------------------------------------------------------
// Static API
// -------------------------------------------------------------------------
/// <summary>
/// Disables or enables the "auto remove" mode of any tween manager for a
/// particular tween or timeline.
/// </summary>
/// <remarks>
/// Disables or enables the "auto remove" mode of any tween manager for a
/// particular tween or timeline. This mode is activated by default. The
/// interest of desactivating it is to prevent some tweens or timelines from
/// being automatically removed from a manager once they are finished.
/// Therefore, if you update a manager backwards, the tweens or timelines
/// will be played again, even if they were finished.
/// </remarks>
public static void SetAutoRemove(IBaseTween @object, bool value)
{
@object.isAutoRemoveEnabled = value;
}
