protected void updateCurrentKeyFrameForTime(float time) {
// Assertion: times are sorted in monotone order.
// Assertion: keyFrame_ is not empty
// TODO: Special case for loops when closed path is implemented !!
if (!currentFrmValid)
// Recompute everything from scratch
currentFrame1 = keyFrameList.listIterator();
// currentFrame_[1]->peekNext() <---> keyFr.get(currentFrame1.nextIndex());
while (keyFrameList.get(currentFrame1.nextIndex()).time() > time) {
currentFrmValid = false;
if (!currentFrame1.hasPrevious()) break;
currentFrame1.previous();
}
if (!currentFrmValid) currentFrame2 = keyFrameList.listIterator(currentFrame1.nextIndex());
while (keyFrameList.get(currentFrame2.nextIndex()).time() < time) {
currentFrmValid = false;
if (!currentFrame2.hasNext()) break;
currentFrame2.next();
}
if (!currentFrmValid) {
currentFrame1 = keyFrameList.listIterator(currentFrame2.nextIndex());
if ((currentFrame1.hasPrevious())
&& (time < keyFrameList.get(currentFrame2.nextIndex()).time())) currentFrame1.previous();
currentFrame0 = keyFrameList.listIterator(currentFrame1.nextIndex());
if (currentFrame0.hasPrevious()) currentFrame0.previous();
currentFrame3 = keyFrameList.listIterator(currentFrame2.nextIndex());
if (currentFrame3.hasNext()) currentFrame3.next();
currentFrmValid = true;
splineCacheIsValid = false;
}
}
protected KeyFrameInterpolator(KeyFrameInterpolator otherKFI) {
this.gScene = otherKFI.gScene;
this.path = new ArrayList<Frame>();
ListIterator<Frame> frameIt = otherKFI.path.listIterator();
while (frameIt.hasNext()) {
this.path.add(frameIt.next().get());
}
this.setFrame(otherKFI.frame());
this.period = otherKFI.period;
this.interpolationTm = otherKFI.interpolationTm;
this.interpolationSpd = otherKFI.interpolationSpd;
this.interpolationStrt = otherKFI.interpolationStrt;
this.lpInterpolation = otherKFI.lpInterpolation;
this.pathIsValid = otherKFI.pathIsValid;
this.valuesAreValid = otherKFI.valuesAreValid;
this.currentFrmValid = otherKFI.currentFrmValid;
this.keyFrameList = new ArrayList<KeyFrame>();
for (KeyFrame element : otherKFI.keyFrameList) {
KeyFrame kf = (KeyFrame) element.get();
this.keyFrameList.add(kf);
}
this.currentFrame0 = keyFrameList.listIterator(otherKFI.currentFrame0.nextIndex());
this.currentFrame1 = keyFrameList.listIterator(otherKFI.currentFrame1.nextIndex());
this.currentFrame2 = keyFrameList.listIterator(otherKFI.currentFrame2.nextIndex());
this.currentFrame3 = keyFrameList.listIterator(otherKFI.currentFrame3.nextIndex());
this.interpolationTimerTask =
new TimingTask() {
public void execute() {
update();
}
};
gScene.registerTimingTask(interpolationTimerTask);
this.invalidateValues();
}