/**
* Remove KeyFrame according to {@code index} in the list and {@link #stopInterpolation()} if
* {@link #interpolationStarted()}. If {@code index < 0 || index >= keyFr.size()} the call is
* silently ignored.
*/
public void removeKeyFrame(int index) {
if (index < 0 || index >= keyFrameList.size()) return;
valuesAreValid = false;
pathIsValid = false;
currentFrmValid = false;
if (interpolationStarted()) stopInterpolation();
KeyFrame kf = keyFrameList.remove(index);
for (Agent agent : gScene.inputHandler().agents()) agent.removeGrabber(kf.frm);
setInterpolationTime(firstTime());
}
