public void update(float delta) {
delta *= timeScale;
for (int i = 0; i < tracks.size; i++) {
TrackEntry current = tracks.get(i);
if (current == null) continue;
float trackDelta = delta * current.timeScale;
float time = current.time + trackDelta;
float endTime = current.endTime;
current.time = time;
if (current.previous != null) {
current.previous.time += trackDelta;
current.mixTime += trackDelta;
}
// Check if completed the animation or a loop iteration.
if (current.loop
? (current.lastTime % endTime > time % endTime)
: (current.lastTime < endTime && time >= endTime)) {
int count = (int) (time / endTime);
if (current.listener != null) current.listener.complete(i, count);
for (int ii = 0, nn = listeners.size; ii < nn; ii++) listeners.get(ii).complete(i, count);
}
TrackEntry next = current.next;
if (next != null) {
if (time - trackDelta > next.delay) setCurrent(i, next);
} else {
// End non-looping animation when it reaches its end time and there is no next entry.
if (!current.loop && current.lastTime >= current.endTime) clearTrack(i);
}
}
}
/** Set the current animation. Any queued animations are cleared. */
public TrackEntry setAnimation(int trackIndex, Animation animation, boolean loop) {
TrackEntry current = expandToIndex(trackIndex);
if (current != null) freeAll(current.next);
TrackEntry entry = Pools.obtain(TrackEntry.class);
entry.animation = animation;
entry.loop = loop;
entry.time = 0;
entry.endTime = animation.getDuration();
setCurrent(trackIndex, entry);
return entry;
}
public void update(float delta) {
delta *= timeScale;
for (int i = 0; i < tracks.size; i++) {
TrackEntry current = tracks.get(i);
if (current == null) continue;
current.time += delta * current.timeScale;
if (current.previous != null) {
float previousDelta = delta * current.previous.timeScale;
current.previous.time += previousDelta;
current.mixTime += previousDelta;
}
TrackEntry next = current.next;
if (next != null) {
next.time = current.lastTime - next.delay;
if (next.time >= 0) setCurrent(i, next);
} else {
// End non-looping animation when it reaches its end time and there is no next entry.
if (!current.loop && current.lastTime >= current.endTime) clearTrack(i);
}
}
}
/**
* Adds an animation to be played delay seconds after the current or last queued animation.
*
* @param delay May be <= 0 to use duration of previous animation minus any mix duration plus the
* negative delay.
*/
public TrackEntry addAnimation(int trackIndex, Animation animation, boolean loop, float delay) {
TrackEntry entry = Pools.obtain(TrackEntry.class);
entry.animation = animation;
entry.loop = loop;
entry.time = 0;
entry.endTime = animation.getDuration();
TrackEntry last = expandToIndex(trackIndex);
if (last != null) {
while (last.next != null) last = last.next;
last.next = entry;
} else tracks.set(trackIndex, entry);
if (delay <= 0) {
if (last != null) delay += last.endTime - data.getMix(last.animation, animation);
else delay = 0;
}
entry.delay = delay;
return entry;
}
