apply method
void
apply()
Implementation
void apply(Skeleton skeleton, double lastTime, double time, bool loop,
List<Event?> events, double alpha, MixPose pose, MixDirection direction) {
if (loop && duration != 0) {
time %= duration;
if (lastTime > 0) lastTime %= duration;
}
final int n = timelines.length;
for (int i = 0; i < n; i++) {
timelines[i]
.apply(skeleton, lastTime, time, events, alpha, pose, direction);
}
}