public void addTick(Cam c) {
tickArr.add(new Tick(hs1.getSliderPos(), hsYPos, c, hs1.getPosInSeconds()));
// set the older ticks to inactive
for (int i = 0; i < tickArr.size() - 1; i++) {
tickArr.get(i).setToInActive();
}
// sort the ticks in case one was placed before an existing tick
Collections.sort(tickArr);
}
public void pause() {
println(hs1.getSliderPos());
hs1.executePause();
println(hs1.getSliderPos());
}