// Need a minimum size
if (this.lastFixations.size() < 3) return;
// Check if we should look for a new fixation line ...
if (this.currentFixationLine == null) {
final FixationLineImpl candidata = createFixationLine(getLast(3));
final FixationLineUtil flu = new FixationLineUtil(candidata);
// Check start of line.
for (double d : flu.getAllAngles()) {
if (Math.abs(d) > 0.4) return;