/// <summary>Set the current animation. Any queued animations are cleared.</summary>
public TrackEntry SetAnimation (int trackIndex, Animation animation, bool loop) {
TrackEntry entry = new TrackEntry();
entry.animation = animation;
entry.loop = loop;
entry.time = 0;
entry.endTime = animation.Duration;
SetCurrent(trackIndex, entry);
return entry;
}
/// <summary>Adds an animation to be played delay seconds after the current or last queued animation.</summary>
/// <param name="delay">May be <= 0 to use duration of previous animation minus any mix duration plus the negative delay.</param>
public TrackEntry AddAnimation (int trackIndex, Animation animation, bool loop, float delay) {
TrackEntry entry = new TrackEntry();
entry.animation = animation;
entry.loop = loop;
entry.time = 0;
entry.endTime = animation.Duration;
TrackEntry last = ExpandToIndex(trackIndex);
if (last != null) {
while (last.next != null)
last = last.next;
last.next = entry;
} else
tracks[trackIndex] = entry;
if (delay <= 0) {
if (last != null)
delay += last.endTime - data.GetMix(last.animation, animation);
else
delay = 0;
}
entry.delay = delay;
return entry;
}
private void SetCurrent (int index, TrackEntry entry) {
TrackEntry current = ExpandToIndex(index);
if (current != null) {
TrackEntry previous = current.previous;
current.previous = null;
current.OnEnd(this, index);
if (End != null) End(this, new StartEndArgs(index));
entry.mixDuration = data.GetMix(current.animation, entry.animation);
if (entry.mixDuration > 0) {
entry.mixTime = 0;
// If a mix is in progress, mix from the closest animation.
if (previous != null && current.mixTime / current.mixDuration < 0.5f)
entry.previous = previous;
else
entry.previous = current;
}
}
tracks[index] = entry;
entry.OnStart(this, index);
if (Start != null) Start(this, new StartEndArgs(index));
}