void setAnimation() {
if (ui.animationList.getSelected() == null) return;
int track = ui.trackButtons.getCheckedIndex();
TrackEntry current = state.getCurrent(track);
TrackEntry entry;
if (current == null) {
state.setEmptyAnimation(track, 0);
entry =
state.addAnimation(track, ui.animationList.getSelected(), ui.loopCheckbox.isChecked(), 0);
entry.setMixDuration(ui.mixSlider.getValue());
} else {
entry =
state.setAnimation(track, ui.animationList.getSelected(), ui.loopCheckbox.isChecked());
}
entry.setAlpha(ui.alphaSlider.getValue());
}
