protected void updateModifiedFrameValues() {
KeyFrame kf;
KeyFrame prev = keyFrameList.get(0);
kf = keyFrameList.get(0);
int index = 1;
while (kf != null) {
KeyFrame next = (index < keyFrameList.size()) ? keyFrameList.get(index) : null;
index++;
if (next != null) kf.computeTangent(prev, next);
else kf.computeTangent(prev, kf);
prev = kf;
kf = next;
}
valuesAreValid = true;
}
