/**
* Adds an animation to be played after the current or last queued animation for a track. If the
* track is empty, it is equivalent to calling {@link #setAnimation(int, Animation, boolean)}.
*
* @param delay Seconds to begin this animation after the start of the previous animation. May be
* <= 0 to use the animation duration of the previous track minus any mix duration plus the
* <code>delay</code>.
* @return A track entry to allow further customization of animation playback. References to the
* track entry must not be kept after the {@link AnimationStateListener#dispose(TrackEntry)}
* event occurs.
*/
public TrackEntry addAnimation(int trackIndex, Animation animation, boolean loop, float delay) {
if (animation == null) throw new IllegalArgumentException("animation cannot be null.");
TrackEntry last = expandToIndex(trackIndex);
if (last != null) {
while (last.next != null) last = last.next;
}
TrackEntry entry = trackEntry(trackIndex, animation, loop, last);
if (last == null) {
setCurrent(trackIndex, entry, true);
queue.drain();
} else {
last.next = entry;
if (delay <= 0) {
float duration = last.animationEnd - last.animationStart;
if (duration != 0)
delay +=
duration * (1 + (int) (last.trackTime / duration))
- data.getMix(last.animation, animation);
else delay = 0;
}
}
entry.delay = delay;
return entry;
}
private void disposeNext(TrackEntry entry) {
TrackEntry next = entry.next;
while (next != null) {
queue.dispose(next);
next = next.next;
}
entry.next = null;
}